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Vinay Patil

Kafka Monitoring

Hi,

I am monitoring Kafka using KafkaManager for checking offset lag and other Kafka metrics, however I am not able to see the consumers when I use FlinkKafkaConsumer , for console-consumer it shows them in the Consumers list.

I have set the required parameters for the kafka consumer while running the application.

Has anyone faced this issue ?
I am using Kafka 0.9.0.1

Regards,

Vinay Patil

Daniel Santos

Re: Kafka Monitoring

Hello,

I have been using that setup.
From my understanding, if one desires to see the offset being consumed by Flink on KafkaManger, one has to set it up with zookeeper. On 0.9 it will only serve as a view of progress.

Basically what's mandatory on 0.8 is optional on 0.9, and for viewing purposes only.

Best Regards,
Daniel Santos

On November 7, 2016 7:13:54 PM GMT+00:00, Vinay Patil <[hidden email]> wrote:

Hi,

I am monitoring Kafka using KafkaManager for checking offset lag and other Kafka metrics, however I am not able to see the consumers when I use FlinkKafkaConsumer , for console-consumer it shows them in the Consumers list.

I have set the required parameters for the kafka consumer while running the application.

Has anyone faced this issue ?
I am using Kafka 0.9.0.1

Regards,
Vinay Patil

limbo

Re: Kafka Monitoring

Hi,

I have the same problem, I think the reason is that the consumer of flink use the low level API,

and when I type the group name in manager url I can get the lag of the flink consumer, like this:

http://your_manager_url/clusters/<kafka_name>/consumers/<consumer_name>/topic/<topic_name>/type/ZK

在 2016年11月8日，上午5:12，Daniel Santos <[hidden email]> 写道：

Hello,

I have been using that setup.
From my understanding, if one desires to see the offset being consumed by Flink on KafkaManger, one has to set it up with zookeeper. On 0.9 it will only serve as a view of progress.

Basically what's mandatory on 0.8 is optional on 0.9, and for viewing purposes only.

Best Regards,
Daniel Santos

On November 7, 2016 7:13:54 PM GMT+00:00, Vinay Patil <[hidden email]> wrote:

Hi,

I am monitoring Kafka using KafkaManager for checking offset lag and other Kafka metrics, however I am not able to see the consumers when I use FlinkKafkaConsumer , for console-consumer it shows them in the Consumers list.

I have set the required parameters for the kafka consumer while running the application.

Has anyone faced this issue ?
I am using Kafka 0.9.0.1

Regards,
Vinay Patil

Vinay Patil

Re: Kafka Monitoring

In reply to this post by Daniel Santos

Hi Daniel,

My Zookeeper instances are running and I have provided the hosts in Kafka manager config files.

Can you please elaborate how do I set it up with Zookeeper ?

I have also tried setting offset.storage as Zookeeper , still I don't see the consumer getting listed in KafkaManager, also the kafka offset checker is not showing the consumers.

Is there any configuration I am missing ?

Regards,

Vinay Patil

On Tue, Nov 8, 2016 at 2:32 AM, Daniel Santos [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

Hello,

I have been using that setup.
From my understanding, if one desires to see the offset being consumed by Flink on KafkaManger, one has to set it up with zookeeper. On 0.9 it will only serve as a view of progress.

Basically what's mandatory on 0.8 is optional on 0.9, and for viewing purposes only.

Best Regards,
Daniel Santos

On November 7, 2016 7:13:54 PM GMT+00:00, Vinay Patil <[hidden email]> wrote:

Hi,

I am monitoring Kafka using KafkaManager for checking offset lag and other Kafka metrics, however I am not able to see the consumers when I use FlinkKafkaConsumer , for console-consumer it shows them in the Consumers list.

I have set the required parameters for the kafka consumer while running the application.

Has anyone faced this issue ?
I am using Kafka 0.9.0.1

Regards,
Vinay Patil

If you reply to this email, your message will be added to the discussion below:
http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Kafka-Monitoring-tp9957p9961.html

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Vinay Patil

Re: Kafka Monitoring

In reply to this post by limbo

Hi Limbo,

I can see the lag by using that URL, but the Lag there is not showing updated results, it does not change, also if you try to to change the consumer group value it will still show you the same value instead of saying consumer group does not exist or similar kind of error :)

According to documentation of 0.9.x the offsets are stored in Kafka, but we can set offset.storage property to zookeeper.
Even by setting this I am not getting the consumer listed.

Kafka cli command also does not show this consumer

Regards,

Vinay Patil

On Tue, Nov 8, 2016 at 8:56 AM, limbo [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

Hi,

I have the same problem, I think the reason is that the consumer of flink use the low level API,
and when I type the group name in manager url I can get the lag of the flink consumer, like this:

http://your_manager_url/clusters/<kafka_name>/consumers/<consumer_name>/topic/<topic_name>/type/ZK

在 2016年11月8日，上午5:12，Daniel Santos <[hidden email]> 写道：

Hello,

I have been using that setup.
From my understanding, if one desires to see the offset being consumed by Flink on KafkaManger, one has to set it up with zookeeper. On 0.9 it will only serve as a view of progress.

Basically what's mandatory on 0.8 is optional on 0.9, and for viewing purposes only.

Best Regards,
Daniel Santos

On November 7, 2016 7:13:54 PM GMT+00:00, Vinay Patil <[hidden email]> wrote:

Hi,

I am monitoring Kafka using KafkaManager for checking offset lag and other Kafka metrics, however I am not able to see the consumers when I use FlinkKafkaConsumer , for console-consumer it shows them in the Consumers list.

I have set the required parameters for the kafka consumer while running the application.

Has anyone faced this issue ?
I am using Kafka 0.9.0.1

Regards,
Vinay Patil

If you reply to this email, your message will be added to the discussion below:
http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Kafka-Monitoring-tp9957p9962.html

To start a new topic under Apache Flink User Mailing List archive., email [hidden email]
To unsubscribe from Apache Flink User Mailing List archive., click here.
NAML

limbo

Re: Kafka Monitoring

I am using kafka 0.8, just refresh the page and you will see the updated results, it’s not auto update.

There is our logstash consumer:

and this is our flink consumer:

I find the flink consumer just write the offset of the kafka partition to zookeeper without owner and ids,

so we can’t find the consumer in the manager page, we can only find the offset info.

在 2016年11月8日，下午12:02，vinay patil <[hidden email]> 写道：

Hi Limbo,

I can see the lag by using that URL, but the Lag there is not showing updated results, it does not change, also if you try to to change the consumer group value it will still show you the same value instead of saying consumer group does not exist or similar kind of error :)

According to documentation of 0.9.x the offsets are stored in Kafka, but we can set offset.storage property to zookeeper.
Even by setting this I am not getting the consumer listed.

Kafka cli command also does not show this consumer

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 8:56 AM, limbo [via Apache Flink User Mailing List archive.] <<a href="x-msg://4/user/SendEmail.jtp?type=node&node=9964&i=0" target="_top" rel="nofollow" link="external" class="">[hidden email]> wrote:
Hi,

I have the same problem, I think the reason is that the consumer of flink use the low level API,
and when I type the group name in manager url I can get the lag of the flink consumer, like this:

http://your_manager_url/clusters/<kafka_name>/consumers/<consumer_name>/topic/<topic_name>/type/ZK

在 2016年11月8日，上午5:12，Daniel Santos <[hidden email]> 写道：

Hello,

I have been using that setup.
From my understanding, if one desires to see the offset being consumed by Flink on KafkaManger, one has to set it up with zookeeper. On 0.9 it will only serve as a view of progress.

Basically what's mandatory on 0.8 is optional on 0.9, and for viewing purposes only.

Best Regards,
Daniel Santos

On November 7, 2016 7:13:54 PM GMT+00:00, Vinay Patil <[hidden email]> wrote:
Hi,

I am monitoring Kafka using KafkaManager for checking offset lag and other Kafka metrics, however I am not able to see the consumers when I use FlinkKafkaConsumer , for console-consumer it shows them in the Consumers list.

I have set the required parameters for the kafka consumer while running the application.

Has anyone faced this issue ?
I am using Kafka 0.9.0.1

Regards,
Vinay Patil

If you reply to this email, your message will be added to the discussion below:
http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Kafka-Monitoring-tp9957p9962.html
To start a new topic under Apache Flink User Mailing List archive., email <a href="x-msg://4/user/SendEmail.jtp?type=node&node=9964&i=1" target="_top" rel="nofollow" link="external" class="">[hidden email]
To unsubscribe from Apache Flink User Mailing List archive., click here.
NAML

View this message in context: Re: Kafka Monitoring
Sent from the Apache Flink User Mailing List archive. mailing list archive at Nabble.com.

Vinay Patil

Re: Kafka Monitoring

Hi Limbo,

I am using 0.9, I am not able to see updated results even after refreshing.
There is some property that we have to set in order to make this work

Regards,

Vinay Patil

On Tue, Nov 8, 2016 at 12:32 PM, limbo [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

I am using kafka 0.8, just refresh the page and you will see the updated results, it’s not auto update.

There is our logstash consumer:

and this is our flink consumer:

I find the flink consumer just write the offset of the kafka partition to zookeeper without owner and ids,
so we can’t find the consumer in the manager page, we can only find the offset info.

在 2016年11月8日，下午12:02，vinay patil <[hidden email]> 写道：

Hi Limbo,

I can see the lag by using that URL, but the Lag there is not showing updated results, it does not change, also if you try to to change the consumer group value it will still show you the same value instead of saying consumer group does not exist or similar kind of error :)

According to documentation of 0.9.x the offsets are stored in Kafka, but we can set offset.storage property to zookeeper.
Even by setting this I am not getting the consumer listed.

Kafka cli command also does not show this consumer

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 8:56 AM, limbo [via Apache Flink User Mailing List archive.] <<a href="x-msg://4/user/SendEmail.jtp?type=node&node=9964&i=0" target="_top" rel="nofollow" link="external" class="">[hidden email]> wrote:
Hi,

I have the same problem, I think the reason is that the consumer of flink use the low level API,
and when I type the group name in manager url I can get the lag of the flink consumer, like this:

http://your_manager_url/clusters/<kafka_name>/consumers/<consumer_name>/topic/<topic_name>/type/ZK

在 2016年11月8日，上午5:12，Daniel Santos <[hidden email]> 写道：

Hello,

I have been using that setup.
From my understanding, if one desires to see the offset being consumed by Flink on KafkaManger, one has to set it up with zookeeper. On 0.9 it will only serve as a view of progress.

Basically what's mandatory on 0.8 is optional on 0.9, and for viewing purposes only.

Best Regards,
Daniel Santos

On November 7, 2016 7:13:54 PM GMT+00:00, Vinay Patil <[hidden email]> wrote:
Hi,

I am monitoring Kafka using KafkaManager for checking offset lag and other Kafka metrics, however I am not able to see the consumers when I use FlinkKafkaConsumer , for console-consumer it shows them in the Consumers list.

I have set the required parameters for the kafka consumer while running the application.

Has anyone faced this issue ?
I am using Kafka 0.9.0.1

Regards,
Vinay Patil

If you reply to this email, your message will be added to the discussion below:
http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Kafka-Monitoring-tp9957p9962.html
To start a new topic under Apache Flink User Mailing List archive., email <a href="x-msg://4/user/SendEmail.jtp?type=node&node=9964&i=1" target="_top" rel="nofollow" link="external" class="">[hidden email]
To unsubscribe from Apache Flink User Mailing List archive., click here.
NAML

View this message in context: Re: Kafka Monitoring
Sent from the Apache Flink User Mailing List archive. mailing list archive at Nabble.com.

If you reply to this email, your message will be added to the discussion below:
http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Kafka-Monitoring-tp9957p9965.html

To start a new topic under Apache Flink User Mailing List archive., email [hidden email]
To unsubscribe from Apache Flink User Mailing List archive., click here.
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Daniel Santos

Re: Kafka Monitoring

Hello,

This is my config.

On kafka props :

    val props = new Properties()

    props.setProperty("zookeeper.connect", zkHosts)
    props.setProperty("bootstrap.servers", kafHosts)
    props.setProperty("group.id", "prod")
    props.setProperty("auto.offset.reset", "earliest")

Now for zkHosts beware that all your hosts quorum has to be included.

For instances you have zk1 and zk2 and zk3 to form a quorum.

Then it will result in zkHosts being -> zk1:2181,zk2:2181,zk3:2181/[brokerspath] .

brokerspath only needed if you have set it on kafka config. Ignore it otherwise, resulting in "zk1:2181,zk2:2181,zk3:2181" .

After that -> val source = env.addSource(new FlinkKafkaConsumer09[String](KAFKA_TOPIC, new SimpleStringSchema(), props))

Then on kafkamanager -> consumers I have the groupID prod.

Hope it helps.

Best Regards,

Daniel Santos

On 11/08/2016 08:45 AM, vinay patil wrote:

Hi Limbo,

I am using 0.9, I am not able to see updated results even after refreshing.
There is some property that we have to set in order to make this work

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 12:32 PM, limbo [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

I am using kafka 0.8, just refresh the page and you will see the updated results, it’s not auto update.

There is our logstash consumer:

and this is our flink consumer:

I find the flink consumer just write the offset of the kafka partition to zookeeper without owner and ids,

so we can’t find the consumer in the manager page, we can only find the offset info.

在 2016年11月8日，下午12:02，vinay patil <[hidden email]> 写道：

Hi Limbo,

I can see the lag by using that URL, but the Lag there is not showing updated results, it does not change, also if you try to to change the consumer group value it will still show you the same value instead of saying consumer group does not exist or similar kind of error :)

According to documentation of 0.9.x the offsets are stored in Kafka, but we can set offset.storage property to zookeeper.
Even by setting this I am not getting the consumer listed.

Kafka cli command also does not show this consumer

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 8:56 AM, limbo [via Apache Flink User Mailing List archive.] <<a href="x-msg://4/user/SendEmail.jtp?type=node&node=9964&i=0" target="_top" rel="nofollow" link="external" class="">[hidden email]> wrote:

Hi,

I have the same problem, I think the reason is that the consumer of flink use the low level API,

and when I type the group name in manager url I can get the lag of the flink consumer, like this:

http://your_manager_url/clusters/<kafka_name>/consumers/<consumer_name>/topic/<topic_name>/type/ZK

在 2016年11月8日，上午5:12，Daniel Santos <[hidden email]> 写道：

Hello,

I have been using that setup.
From my understanding, if one desires to see the offset being consumed by Flink on KafkaManger, one has to set it up with zookeeper. On 0.9 it will only serve as a view of progress.

Basically what's mandatory on 0.8 is optional on 0.9, and for viewing purposes only.

Best Regards,
Daniel Santos

On November 7, 2016 7:13:54 PM GMT+00:00, Vinay Patil <[hidden email]> wrote:

Hi,

I am monitoring Kafka using KafkaManager for checking offset lag and other Kafka metrics, however I am not able to see the consumers when I use FlinkKafkaConsumer , for console-consumer it shows them in the Consumers list.

I have set the required parameters for the kafka consumer while running the application.

Has anyone faced this issue ?
I am using Kafka 0.9.0.1

Regards,
Vinay Patil

If you reply to this email, your message will be added to the discussion below:
http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Kafka-Monitoring-tp9957p9962.html

To start a new topic under Apache Flink User Mailing List archive., email <a href="x-msg://4/user/SendEmail.jtp?type=node&node=9964&i=1" target="_top" rel="nofollow" link="external" class="">[hidden email]
To unsubscribe from Apache Flink User Mailing List archive., click here.
NAML

View this message in context: Re: Kafka Monitoring
Sent from the Apache Flink User Mailing List archive. mailing list archive at Nabble.com.

If you reply to this email, your message will be added to the discussion below:
http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Kafka-Monitoring-tp9957p9965.html

To start a new topic under Apache Flink User Mailing List archive., email [hidden email]
To unsubscribe from Apache Flink User Mailing List archive., click here.
NAML

View this message in context: Re: Kafka Monitoring
Sent from the Apache Flink User Mailing List archive. mailing list archive at Nabble.com.

Vinay Patil

Re: Kafka Monitoring

Hi Daniel,

I have the same properties set for the consumer and the same code

brokerspath only needed if you have set it on kafka config -> I did not get this, do you mean to check the brokerspath in conf/server.properties file ? I have even tried by setting offset.storage property to zookeeeper, but still not getting the consumers listed

I am using Kafka 0.9.0.1

Regards,

Vinay Patil

On Tue, Nov 8, 2016 at 3:59 PM, Daniel Santos [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

Hello,

This is my config.

On kafka props :

    val props = new Properties()

    props.setProperty("zookeeper.connect", zkHosts)
    props.setProperty("bootstrap.servers", kafHosts)
    props.setProperty("group.id", "prod")
    props.setProperty("auto.offset.reset", "earliest")

Now for zkHosts beware that all your hosts quorum has to be included.

For instances you have zk1 and zk2 and zk3 to form a quorum.

Then it will result in zkHosts being -> zk1:2181,zk2:2181,zk3:2181/[brokerspath] .

brokerspath only needed if you have set it on kafka config. Ignore it otherwise, resulting in "zk1:2181,zk2:2181,zk3:2181" .

After that -> val source = env.addSource(new FlinkKafkaConsumer09[String](KAFKA_TOPIC, new SimpleStringSchema(), props))

Then on kafkamanager -> consumers I have the groupID prod.

Hope it helps.

Best Regards,

Daniel Santos

On 11/08/2016 08:45 AM, vinay patil wrote:

Hi Limbo,

I am using 0.9, I am not able to see updated results even after refreshing.
There is some property that we have to set in order to make this work

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 12:32 PM, limbo [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

I am using kafka 0.8, just refresh the page and you will see the updated results, it’s not auto update.

There is our logstash consumer:

and this is our flink consumer:

I find the flink consumer just write the offset of the kafka partition to zookeeper without owner and ids,

so we can’t find the consumer in the manager page, we can only find the offset info.

在 2016年11月8日，下午12:02，vinay patil <[hidden email]> 写道：

Hi Limbo,

I can see the lag by using that URL, but the Lag there is not showing updated results, it does not change, also if you try to to change the consumer group value it will still show you the same value instead of saying consumer group does not exist or similar kind of error :)

According to documentation of 0.9.x the offsets are stored in Kafka, but we can set offset.storage property to zookeeper.
Even by setting this I am not getting the consumer listed.

Kafka cli command also does not show this consumer

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 8:56 AM, limbo [via Apache Flink User Mailing List archive.] <<a href="x-msg://4/user/SendEmail.jtp?type=node&node=9964&i=0" target="_top" rel="nofollow" link="external" class="">[hidden email]> wrote:

Hi,

I have the same problem, I think the reason is that the consumer of flink use the low level API,

and when I type the group name in manager url I can get the lag of the flink consumer, like this:

http://your_manager_url/clusters/<kafka_name>/consumers/<consumer_name>/topic/<topic_name>/type/ZK

在 2016年11月8日，上午5:12，Daniel Santos <[hidden email]> 写道：

Hello,

I have been using that setup.
From my understanding, if one desires to see the offset being consumed by Flink on KafkaManger, one has to set it up with zookeeper. On 0.9 it will only serve as a view of progress.

Basically what's mandatory on 0.8 is optional on 0.9, and for viewing purposes only.

Best Regards,
Daniel Santos

On November 7, 2016 7:13:54 PM GMT+00:00, Vinay Patil <[hidden email]> wrote:

Hi,

I am monitoring Kafka using KafkaManager for checking offset lag and other Kafka metrics, however I am not able to see the consumers when I use FlinkKafkaConsumer , for console-consumer it shows them in the Consumers list.

I have set the required parameters for the kafka consumer while running the application.

Has anyone faced this issue ?
I am using Kafka 0.9.0.1

Regards,
Vinay Patil

If you reply to this email, your message will be added to the discussion below:
http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Kafka-Monitoring-tp9957p9962.html

To start a new topic under Apache Flink User Mailing List archive., email <a href="x-msg://4/user/SendEmail.jtp?type=node&node=9964&i=1" target="_top" rel="nofollow" link="external" class="">[hidden email]
To unsubscribe from Apache Flink User Mailing List archive., click here.
NAML

View this message in context: Re: Kafka Monitoring
Sent from the Apache Flink User Mailing List archive. mailing list archive at Nabble.com.

If you reply to this email, your message will be added to the discussion below:
http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Kafka-Monitoring-tp9957p9965.html

To start a new topic under Apache Flink User Mailing List archive., email [hidden email]
To unsubscribe from Apache Flink User Mailing List archive., click here.
NAML

View this message in context: Re: Kafka Monitoring
Sent from the Apache Flink User Mailing List archive. mailing list archive at Nabble.com.

If you reply to this email, your message will be added to the discussion below:
http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Kafka-Monitoring-tp9957p9976.html

To start a new topic under Apache Flink User Mailing List archive., email [hidden email]
To unsubscribe from Apache Flink User Mailing List archive., click here.
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Daniel Santos

Re: Kafka Monitoring

Hi,

Your kafka broker is connected to zookeeper I believe.

I am using kafka 0.9.0.1 my self too.

On kafka broker 0.9.0.1 I have configured the zookeeper connect to a path, for instances :

zk1:2181,zk2:2181,zk3:2181/kafka09

https://kafka.apache.org/documentation#brokerconfigs

Now on the flink side I would configure "props.setProperty("zookeeper.connect", zkHosts)" the same resulting in :

props.setProperty("zookeeperconnect", "zk1:2181,zk2:2181,zk3:2181/kafka09")

That is what I mean by broker's path.

Best Regards,

Daniel Santos

On 11/08/2016 10:49 AM, vinay patil wrote:

Hi Daniel,

I have the same properties set for the consumer and the same code

brokerspath only needed if you have set it on kafka config -> I did not get this, do you mean to check the brokerspath in conf/server.properties file ? I have even tried by setting offset.storage property to zookeeeper, but still not getting the consumers listed

I am using Kafka 0.9.0.1

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 3:59 PM, Daniel Santos [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

Hello,

This is my config.

On kafka props :

    val props = new Properties()

    props.setProperty("zookeeper.connect", zkHosts)
    props.setProperty("bootstrap.servers", kafHosts)
    props.setProperty("group.id", "prod")
    props.setProperty("auto.offset.reset", "earliest")

Now for zkHosts beware that all your hosts quorum has to be included.

For instances you have zk1 and zk2 and zk3 to form a quorum.

Then it will result in zkHosts being -> zk1:2181,zk2:2181,zk3:2181/[brokerspath] .

brokerspath only needed if you have set it on kafka config. Ignore it otherwise, resulting in "zk1:2181,zk2:2181,zk3:2181" .

After that -> val source = env.addSource(new FlinkKafkaConsumer09[String](KAFKA_TOPIC, new SimpleStringSchema(), props))

Then on kafkamanager -> consumers I have the groupID prod.

Hope it helps.

Best Regards,

Daniel Santos

On 11/08/2016 08:45 AM, vinay patil wrote:

Hi Limbo,

I am using 0.9, I am not able to see updated results even after refreshing.
There is some property that we have to set in order to make this work

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 12:32 PM, limbo [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

I am using kafka 0.8, just refresh the page and you will see the updated results, it’s not auto update.

There is our logstash consumer:

and this is our flink consumer:

I find the flink consumer just write the offset of the kafka partition to zookeeper without owner and ids,

so we can’t find the consumer in the manager page, we can only find the offset info.

在 2016年11月8日，下午12:02，vinay patil <[hidden email]> 写道：

Hi Limbo,

I can see the lag by using that URL, but the Lag there is not showing updated results, it does not change, also if you try to to change the consumer group value it will still show you the same value instead of saying consumer group does not exist or similar kind of error :)

According to documentation of 0.9.x the offsets are stored in Kafka, but we can set offset.storage property to zookeeper.
Even by setting this I am not getting the consumer listed.

Kafka cli command also does not show this consumer

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 8:56 AM, limbo [via Apache Flink User Mailing List archive.] <<a href="x-msg://4/user/SendEmail.jtp?type=node&node=9964&i=0" target="_top" rel="nofollow" link="external" class="">[hidden email]> wrote:

Hi,

I have the same problem, I think the reason is that the consumer of flink use the low level API,

and when I type the group name in manager url I can get the lag of the flink consumer, like this:

http://your_manager_url/clusters/<kafka_name>/consumers/<consumer_name>/topic/<topic_name>/type/ZK

在 2016年11月8日，上午5:12，Daniel Santos <[hidden email]> 写道：

Hello,

I have been using that setup.
From my understanding, if one desires to see the offset being consumed by Flink on KafkaManger, one has to set it up with zookeeper. On 0.9 it will only serve as a view of progress.

Basically what's mandatory on 0.8 is optional on 0.9, and for viewing purposes only.

Best Regards,
Daniel Santos

On November 7, 2016 7:13:54 PM GMT+00:00, Vinay Patil <[hidden email]> wrote:

Hi,

I am monitoring Kafka using KafkaManager for checking offset lag and other Kafka metrics, however I am not able to see the consumers when I use FlinkKafkaConsumer , for console-consumer it shows them in the Consumers list.

I have set the required parameters for the kafka consumer while running the application.

Has anyone faced this issue ?
I am using Kafka 0.9.0.1

Regards,
Vinay Patil

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Vinay Patil

Re: Kafka Monitoring

Hi Daniel,

Yes I have specified the zookeeper host in server.properties file , so the broker is connected to zookeeper.

https://kafka.apache.org/documentation#brokerconfigs -> according to this link, I guess all these configs are done in server.prop , so from where did you get kafka09 as brokerPath ?

this is my entry in server.prop file -> zookeeper.connect=localhost:2181
Have you set this as zkhost:2181/kafka09 ?

Regards,

Vinay Patil

On Tue, Nov 8, 2016 at 4:27 PM, Daniel Santos [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

Hi,

Your kafka broker is connected to zookeeper I believe.

I am using kafka 0.9.0.1 my self too.

On kafka broker 0.9.0.1 I have configured the zookeeper connect to a path, for instances :

zk1:2181,zk2:2181,zk3:2181/kafka09

https://kafka.apache.org/documentation#brokerconfigs

Now on the flink side I would configure "props.setProperty("zookeeper.connect", zkHosts)" the same resulting in :

props.setProperty("zookeeperconnect", "zk1:2181,zk2:2181,zk3:2181/kafka09")

That is what I mean by broker's path.

Best Regards,

Daniel Santos

On 11/08/2016 10:49 AM, vinay patil wrote:

Hi Daniel,

I have the same properties set for the consumer and the same code

brokerspath only needed if you have set it on kafka config -> I did not get this, do you mean to check the brokerspath in conf/server.properties file ? I have even tried by setting offset.storage property to zookeeeper, but still not getting the consumers listed

I am using Kafka 0.9.0.1

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 3:59 PM, Daniel Santos [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

Hello,

This is my config.

On kafka props :

    val props = new Properties()

    props.setProperty("zookeeper.connect", zkHosts)
    props.setProperty("bootstrap.servers", kafHosts)
    props.setProperty("group.id", "prod")
    props.setProperty("auto.offset.reset", "earliest")

Now for zkHosts beware that all your hosts quorum has to be included.

For instances you have zk1 and zk2 and zk3 to form a quorum.

Then it will result in zkHosts being -> zk1:2181,zk2:2181,zk3:2181/[brokerspath] .

brokerspath only needed if you have set it on kafka config. Ignore it otherwise, resulting in "zk1:2181,zk2:2181,zk3:2181" .

After that -> val source = env.addSource(new FlinkKafkaConsumer09[String](KAFKA_TOPIC, new SimpleStringSchema(), props))

Then on kafkamanager -> consumers I have the groupID prod.

Hope it helps.

Best Regards,

Daniel Santos

On 11/08/2016 08:45 AM, vinay patil wrote:

Hi Limbo,

I am using 0.9, I am not able to see updated results even after refreshing.
There is some property that we have to set in order to make this work

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 12:32 PM, limbo [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

I am using kafka 0.8, just refresh the page and you will see the updated results, it’s not auto update.

There is our logstash consumer:

and this is our flink consumer:

I find the flink consumer just write the offset of the kafka partition to zookeeper without owner and ids,

so we can’t find the consumer in the manager page, we can only find the offset info.

在 2016年11月8日，下午12:02，vinay patil <[hidden email]> 写道：

Hi Limbo,

I can see the lag by using that URL, but the Lag there is not showing updated results, it does not change, also if you try to to change the consumer group value it will still show you the same value instead of saying consumer group does not exist or similar kind of error :)

According to documentation of 0.9.x the offsets are stored in Kafka, but we can set offset.storage property to zookeeper.
Even by setting this I am not getting the consumer listed.

Kafka cli command also does not show this consumer

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 8:56 AM, limbo [via Apache Flink User Mailing List archive.] <<a href="x-msg://4/user/SendEmail.jtp?type=node&node=9964&i=0" target="_top" rel="nofollow" link="external" class="">[hidden email]> wrote:

Hi,

I have the same problem, I think the reason is that the consumer of flink use the low level API,

and when I type the group name in manager url I can get the lag of the flink consumer, like this:

http://your_manager_url/clusters/<kafka_name>/consumers/<consumer_name>/topic/<topic_name>/type/ZK

在 2016年11月8日，上午5:12，Daniel Santos <[hidden email]> 写道：

Hello,

I have been using that setup.
From my understanding, if one desires to see the offset being consumed by Flink on KafkaManger, one has to set it up with zookeeper. On 0.9 it will only serve as a view of progress.

Basically what's mandatory on 0.8 is optional on 0.9, and for viewing purposes only.

Best Regards,
Daniel Santos

On November 7, 2016 7:13:54 PM GMT+00:00, Vinay Patil <[hidden email]> wrote:

Hi,

I am monitoring Kafka using KafkaManager for checking offset lag and other Kafka metrics, however I am not able to see the consumers when I use FlinkKafkaConsumer , for console-consumer it shows them in the Consumers list.

I have set the required parameters for the kafka consumer while running the application.

Has anyone faced this issue ?
I am using Kafka 0.9.0.1

Regards,
Vinay Patil

If you reply to this email, your message will be added to the discussion below:
http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Kafka-Monitoring-tp9957p9962.html

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Daniel Santos

Re: Kafka Monitoring

Hi,

brokerPath is just optional.

Used if you want to have multile kafka clusters.

Each kafka cluster would connect to the same brokerPath.

Since I have multiple clusters I use the brokerPath.

From the looks of it you dont. So never mind it doesn't matter.

You only have one zookeeper correct ?

And kafka and flink connects to that only zookeeper ?

Best Regards,

Daniel Santos

On 11/08/2016 11:18 AM, vinay patil wrote:

Hi Daniel,

Yes I have specified the zookeeper host in server.properties file , so the broker is connected to zookeeper.

https://kafka.apache.org/documentation#brokerconfigs -> according to this link, I guess all these configs are done in server.prop , so from where did you get kafka09 as brokerPath ?

this is my entry in server.prop file -> zookeeper.connect=localhost:2181
Have you set this as zkhost:2181/kafka09 ?

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 4:27 PM, Daniel Santos [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

Hi,

Your kafka broker is connected to zookeeper I believe.

I am using kafka 0.9.0.1 my self too.

On kafka broker 0.9.0.1 I have configured the zookeeper connect to a path, for instances :

zk1:2181,zk2:2181,zk3:2181/kafka09

https://kafka.apache.org/documentation#brokerconfigs

Now on the flink side I would configure "props.setProperty("zookeeper.connect", zkHosts)" the same resulting in :

props.setProperty("zookeeperconnect", "zk1:2181,zk2:2181,zk3:2181/kafka09")

That is what I mean by broker's path.

Best Regards,

Daniel Santos

On 11/08/2016 10:49 AM, vinay patil wrote:

Hi Daniel,

I have the same properties set for the consumer and the same code

brokerspath only needed if you have set it on kafka config -> I did not get this, do you mean to check the brokerspath in conf/server.properties file ? I have even tried by setting offset.storage property to zookeeeper, but still not getting the consumers listed

I am using Kafka 0.9.0.1

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 3:59 PM, Daniel Santos [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

Hello,

This is my config.

On kafka props :

    val props = new Properties()

    props.setProperty("zookeeper.connect", zkHosts)
    props.setProperty("bootstrap.servers", kafHosts)
    props.setProperty("group.id", "prod")
    props.setProperty("auto.offset.reset", "earliest")

Now for zkHosts beware that all your hosts quorum has to be included.

For instances you have zk1 and zk2 and zk3 to form a quorum.

Then it will result in zkHosts being -> zk1:2181,zk2:2181,zk3:2181/[brokerspath] .

brokerspath only needed if you have set it on kafka config. Ignore it otherwise, resulting in "zk1:2181,zk2:2181,zk3:2181" .

After that -> val source = env.addSource(new FlinkKafkaConsumer09[String](KAFKA_TOPIC, new SimpleStringSchema(), props))

Then on kafkamanager -> consumers I have the groupID prod.

Hope it helps.

Best Regards,

Daniel Santos

On 11/08/2016 08:45 AM, vinay patil wrote:

Hi Limbo,

I am using 0.9, I am not able to see updated results even after refreshing.
There is some property that we have to set in order to make this work

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 12:32 PM, limbo [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

I am using kafka 0.8, just refresh the page and you will see the updated results, it’s not auto update.

There is our logstash consumer:

and this is our flink consumer:

I find the flink consumer just write the offset of the kafka partition to zookeeper without owner and ids,

so we can’t find the consumer in the manager page, we can only find the offset info.

在 2016年11月8日，下午12:02，vinay patil <[hidden email]> 写道：

Hi Limbo,

I can see the lag by using that URL, but the Lag there is not showing updated results, it does not change, also if you try to to change the consumer group value it will still show you the same value instead of saying consumer group does not exist or similar kind of error :)

According to documentation of 0.9.x the offsets are stored in Kafka, but we can set offset.storage property to zookeeper.
Even by setting this I am not getting the consumer listed.

Kafka cli command also does not show this consumer

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 8:56 AM, limbo [via Apache Flink User Mailing List archive.] <<a href="x-msg://4/user/SendEmail.jtp?type=node&node=9964&i=0" target="_top" rel="nofollow" link="external" class="">[hidden email]> wrote:

Hi,

I have the same problem, I think the reason is that the consumer of flink use the low level API,

and when I type the group name in manager url I can get the lag of the flink consumer, like this:

http://your_manager_url/clusters/<kafka_name>/consumers/<consumer_name>/topic/<topic_name>/type/ZK

在 2016年11月8日，上午5:12，Daniel Santos <[hidden email]> 写道：

Hello,

I have been using that setup.
From my understanding, if one desires to see the offset being consumed by Flink on KafkaManger, one has to set it up with zookeeper. On 0.9 it will only serve as a view of progress.

Basically what's mandatory on 0.8 is optional on 0.9, and for viewing purposes only.

Best Regards,
Daniel Santos

On November 7, 2016 7:13:54 PM GMT+00:00, Vinay Patil <[hidden email]> wrote:

Hi,

I am monitoring Kafka using KafkaManager for checking offset lag and other Kafka metrics, however I am not able to see the consumers when I use FlinkKafkaConsumer , for console-consumer it shows them in the Consumers list.

I have set the required parameters for the kafka consumer while running the application.

Has anyone faced this issue ?
I am using Kafka 0.9.0.1

Regards,
Vinay Patil

If you reply to this email, your message will be added to the discussion below:
http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Kafka-Monitoring-tp9957p9962.html

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To unsubscribe from Apache Flink User Mailing List archive., click here.
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Vinay Patil

Re: Kafka Monitoring

Yes Kafka and Flink connect to that zookeeper only.

Not sure why it is not listing the consumer

Regards,

Vinay Patil

On Tue, Nov 8, 2016 at 5:36 PM, Daniel Santos [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

Hi,

brokerPath is just optional.

Used if you want to have multile kafka clusters.

Each kafka cluster would connect to the same brokerPath.

Since I have multiple clusters I use the brokerPath.

From the looks of it you dont. So never mind it doesn't matter.

You only have one zookeeper correct ?

And kafka and flink connects to that only zookeeper ?

Best Regards,

Daniel Santos

On 11/08/2016 11:18 AM, vinay patil wrote:

Hi Daniel,

Yes I have specified the zookeeper host in server.properties file , so the broker is connected to zookeeper.

https://kafka.apache.org/documentation#brokerconfigs -> according to this link, I guess all these configs are done in server.prop , so from where did you get kafka09 as brokerPath ?

this is my entry in server.prop file -> zookeeper.connect=localhost:2181
Have you set this as zkhost:2181/kafka09 ?

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 4:27 PM, Daniel Santos [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

Hi,

Your kafka broker is connected to zookeeper I believe.

I am using kafka 0.9.0.1 my self too.

On kafka broker 0.9.0.1 I have configured the zookeeper connect to a path, for instances :

zk1:2181,zk2:2181,zk3:2181/kafka09

https://kafka.apache.org/documentation#brokerconfigs

Now on the flink side I would configure "props.setProperty("zookeeper.connect", zkHosts)" the same resulting in :

props.setProperty("zookeeperconnect", "zk1:2181,zk2:2181,zk3:2181/kafka09")

That is what I mean by broker's path.

Best Regards,

Daniel Santos

On 11/08/2016 10:49 AM, vinay patil wrote:

Hi Daniel,

I have the same properties set for the consumer and the same code

brokerspath only needed if you have set it on kafka config -> I did not get this, do you mean to check the brokerspath in conf/server.properties file ? I have even tried by setting offset.storage property to zookeeeper, but still not getting the consumers listed

I am using Kafka 0.9.0.1

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 3:59 PM, Daniel Santos [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

Hello,

This is my config.

On kafka props :

    val props = new Properties()

    props.setProperty("zookeeper.connect", zkHosts)
    props.setProperty("bootstrap.servers", kafHosts)
    props.setProperty("group.id", "prod")
    props.setProperty("auto.offset.reset", "earliest")

Now for zkHosts beware that all your hosts quorum has to be included.

For instances you have zk1 and zk2 and zk3 to form a quorum.

Then it will result in zkHosts being -> zk1:2181,zk2:2181,zk3:2181/[brokerspath] .

brokerspath only needed if you have set it on kafka config. Ignore it otherwise, resulting in "zk1:2181,zk2:2181,zk3:2181" .

After that -> val source = env.addSource(new FlinkKafkaConsumer09[String](KAFKA_TOPIC, new SimpleStringSchema(), props))

Then on kafkamanager -> consumers I have the groupID prod.

Hope it helps.

Best Regards,

Daniel Santos

On 11/08/2016 08:45 AM, vinay patil wrote:

Hi Limbo,

I am using 0.9, I am not able to see updated results even after refreshing.
There is some property that we have to set in order to make this work

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 12:32 PM, limbo [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

I am using kafka 0.8, just refresh the page and you will see the updated results, it’s not auto update.

There is our logstash consumer:

and this is our flink consumer:

I find the flink consumer just write the offset of the kafka partition to zookeeper without owner and ids,

so we can’t find the consumer in the manager page, we can only find the offset info.

在 2016年11月8日，下午12:02，vinay patil <[hidden email]> 写道：

Hi Limbo,

I can see the lag by using that URL, but the Lag there is not showing updated results, it does not change, also if you try to to change the consumer group value it will still show you the same value instead of saying consumer group does not exist or similar kind of error :)

According to documentation of 0.9.x the offsets are stored in Kafka, but we can set offset.storage property to zookeeper.
Even by setting this I am not getting the consumer listed.

Kafka cli command also does not show this consumer

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 8:56 AM, limbo [via Apache Flink User Mailing List archive.] <<a href="x-msg://4/user/SendEmail.jtp?type=node&node=9964&i=0" target="_top" rel="nofollow" link="external" class="">[hidden email]> wrote:

Hi,

I have the same problem, I think the reason is that the consumer of flink use the low level API,

and when I type the group name in manager url I can get the lag of the flink consumer, like this:

http://your_manager_url/clusters/<kafka_name>/consumers/<consumer_name>/topic/<topic_name>/type/ZK

在 2016年11月8日，上午5:12，Daniel Santos <[hidden email]> 写道：

Hello,

I have been using that setup.
From my understanding, if one desires to see the offset being consumed by Flink on KafkaManger, one has to set it up with zookeeper. On 0.9 it will only serve as a view of progress.

Basically what's mandatory on 0.8 is optional on 0.9, and for viewing purposes only.

Best Regards,
Daniel Santos

On November 7, 2016 7:13:54 PM GMT+00:00, Vinay Patil <[hidden email]> wrote:

Hi,

I am monitoring Kafka using KafkaManager for checking offset lag and other Kafka metrics, however I am not able to see the consumers when I use FlinkKafkaConsumer , for console-consumer it shows them in the Consumers list.

I have set the required parameters for the kafka consumer while running the application.

Has anyone faced this issue ?
I am using Kafka 0.9.0.1

Regards,
Vinay Patil

If you reply to this email, your message will be added to the discussion below:
http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Kafka-Monitoring-tp9957p9962.html

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Daniel Santos

Re: Kafka Monitoring

Hello,

On flink do you have the checkpoint enabled ?

env.enableCheckpointing(interval = CHKPOINT_INTERVAL)

Regards,

Daniel Santos

On 11/08/2016 12:30 PM, vinay patil wrote:

Yes Kafka and Flink connect to that zookeeper only.

Not sure why it is not listing the consumer

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 5:36 PM, Daniel Santos [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

Hi,

brokerPath is just optional.

Used if you want to have multile kafka clusters.

Each kafka cluster would connect to the same brokerPath.

Since I have multiple clusters I use the brokerPath.

From the looks of it you dont. So never mind it doesn't matter.

You only have one zookeeper correct ?

And kafka and flink connects to that only zookeeper ?

Best Regards,

Daniel Santos

On 11/08/2016 11:18 AM, vinay patil wrote:

Hi Daniel,

Yes I have specified the zookeeper host in server.properties file , so the broker is connected to zookeeper.

https://kafka.apache.org/documentation#brokerconfigs -> according to this link, I guess all these configs are done in server.prop , so from where did you get kafka09 as brokerPath ?

this is my entry in server.prop file -> zookeeper.connect=localhost:2181
Have you set this as zkhost:2181/kafka09 ?

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 4:27 PM, Daniel Santos [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

Hi,

Your kafka broker is connected to zookeeper I believe.

I am using kafka 0.9.0.1 my self too.

On kafka broker 0.9.0.1 I have configured the zookeeper connect to a path, for instances :

zk1:2181,zk2:2181,zk3:2181/kafka09

https://kafka.apache.org/documentation#brokerconfigs

Now on the flink side I would configure "props.setProperty("zookeeper.connect", zkHosts)" the same resulting in :

props.setProperty("zookeeperconnect", "zk1:2181,zk2:2181,zk3:2181/kafka09")

That is what I mean by broker's path.

Best Regards,

Daniel Santos

On 11/08/2016 10:49 AM, vinay patil wrote:

Hi Daniel,

I have the same properties set for the consumer and the same code

brokerspath only needed if you have set it on kafka config -> I did not get this, do you mean to check the brokerspath in conf/server.properties file ? I have even tried by setting offset.storage property to zookeeeper, but still not getting the consumers listed

I am using Kafka 0.9.0.1

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 3:59 PM, Daniel Santos [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

Hello,

This is my config.

On kafka props :

    val props = new Properties()

    props.setProperty("zookeeper.connect", zkHosts)
    props.setProperty("bootstrap.servers", kafHosts)
    props.setProperty("group.id", "prod")
    props.setProperty("auto.offset.reset", "earliest")

Now for zkHosts beware that all your hosts quorum has to be included.

For instances you have zk1 and zk2 and zk3 to form a quorum.

Then it will result in zkHosts being -> zk1:2181,zk2:2181,zk3:2181/[brokerspath] .

brokerspath only needed if you have set it on kafka config. Ignore it otherwise, resulting in "zk1:2181,zk2:2181,zk3:2181" .

After that -> val source = env.addSource(new FlinkKafkaConsumer09[String](KAFKA_TOPIC, new SimpleStringSchema(), props))

Then on kafkamanager -> consumers I have the groupID prod.

Hope it helps.

Best Regards,

Daniel Santos

On 11/08/2016 08:45 AM, vinay patil wrote:

Hi Limbo,

I am using 0.9, I am not able to see updated results even after refreshing.
There is some property that we have to set in order to make this work

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 12:32 PM, limbo [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

I am using kafka 0.8, just refresh the page and you will see the updated results, it’s not auto update.

There is our logstash consumer:

and this is our flink consumer:

I find the flink consumer just write the offset of the kafka partition to zookeeper without owner and ids,

so we can’t find the consumer in the manager page, we can only find the offset info.

在 2016年11月8日，下午12:02，vinay patil <[hidden email]> 写道：

Hi Limbo,

I can see the lag by using that URL, but the Lag there is not showing updated results, it does not change, also if you try to to change the consumer group value it will still show you the same value instead of saying consumer group does not exist or similar kind of error :)

According to documentation of 0.9.x the offsets are stored in Kafka, but we can set offset.storage property to zookeeper.
Even by setting this I am not getting the consumer listed.

Kafka cli command also does not show this consumer

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 8:56 AM, limbo [via Apache Flink User Mailing List archive.] <<a href="x-msg://4/user/SendEmail.jtp?type=node&node=9964&i=0" target="_top" rel="nofollow" link="external" class="">[hidden email]> wrote:

Hi,

I have the same problem, I think the reason is that the consumer of flink use the low level API,

and when I type the group name in manager url I can get the lag of the flink consumer, like this:

http://your_manager_url/clusters/<kafka_name>/consumers/<consumer_name>/topic/<topic_name>/type/ZK

在 2016年11月8日，上午5:12，Daniel Santos <[hidden email]> 写道：

Hello,

I have been using that setup.
From my understanding, if one desires to see the offset being consumed by Flink on KafkaManger, one has to set it up with zookeeper. On 0.9 it will only serve as a view of progress.

Basically what's mandatory on 0.8 is optional on 0.9, and for viewing purposes only.

Best Regards,
Daniel Santos

On November 7, 2016 7:13:54 PM GMT+00:00, Vinay Patil <[hidden email]> wrote:

Hi,

I am monitoring Kafka using KafkaManager for checking offset lag and other Kafka metrics, however I am not able to see the consumers when I use FlinkKafkaConsumer , for console-consumer it shows them in the Consumers list.

I have set the required parameters for the kafka consumer while running the application.

Has anyone faced this issue ?
I am using Kafka 0.9.0.1

Regards,
Vinay Patil

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Vinay Patil

Re: Kafka Monitoring

Hi Daniel,

Yes Now I am able to see it , this was just a dummy code I was running on local VM.

However on cluster , I had enabled checkpointing, still I was not able to see the consumers, I guess I have to put the brokerPath as you have provided in the properties.

From where did you get the brokerPath ? I mean for which property have you set it

Regards,

Vinay Patil

On Wed, Nov 9, 2016 at 12:32 AM, Daniel Santos [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

Hello,

On flink do you have the checkpoint enabled ?

env.enableCheckpointing(interval = CHKPOINT_INTERVAL)

Regards,

Daniel Santos

On 11/08/2016 12:30 PM, vinay patil wrote:

Yes Kafka and Flink connect to that zookeeper only.

Not sure why it is not listing the consumer

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 5:36 PM, Daniel Santos [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

Hi,

brokerPath is just optional.

Used if you want to have multile kafka clusters.

Each kafka cluster would connect to the same brokerPath.

Since I have multiple clusters I use the brokerPath.

From the looks of it you dont. So never mind it doesn't matter.

You only have one zookeeper correct ?

And kafka and flink connects to that only zookeeper ?

Best Regards,

Daniel Santos

On 11/08/2016 11:18 AM, vinay patil wrote:

Hi Daniel,

Yes I have specified the zookeeper host in server.properties file , so the broker is connected to zookeeper.

https://kafka.apache.org/documentation#brokerconfigs -> according to this link, I guess all these configs are done in server.prop , so from where did you get kafka09 as brokerPath ?

this is my entry in server.prop file -> zookeeper.connect=localhost:2181
Have you set this as zkhost:2181/kafka09 ?

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 4:27 PM, Daniel Santos [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

Hi,

Your kafka broker is connected to zookeeper I believe.

I am using kafka 0.9.0.1 my self too.

On kafka broker 0.9.0.1 I have configured the zookeeper connect to a path, for instances :

zk1:2181,zk2:2181,zk3:2181/kafka09

https://kafka.apache.org/documentation#brokerconfigs

Now on the flink side I would configure "props.setProperty("zookeeper.connect", zkHosts)" the same resulting in :

props.setProperty("zookeeperconnect", "zk1:2181,zk2:2181,zk3:2181/kafka09")

That is what I mean by broker's path.

Best Regards,

Daniel Santos

On 11/08/2016 10:49 AM, vinay patil wrote:

Hi Daniel,

I have the same properties set for the consumer and the same code

brokerspath only needed if you have set it on kafka config -> I did not get this, do you mean to check the brokerspath in conf/server.properties file ? I have even tried by setting offset.storage property to zookeeeper, but still not getting the consumers listed

I am using Kafka 0.9.0.1

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 3:59 PM, Daniel Santos [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

Hello,

This is my config.

On kafka props :

    val props = new Properties()

    props.setProperty("zookeeper.connect", zkHosts)
    props.setProperty("bootstrap.servers", kafHosts)
    props.setProperty("group.id", "prod")
    props.setProperty("auto.offset.reset", "earliest")

Now for zkHosts beware that all your hosts quorum has to be included.

For instances you have zk1 and zk2 and zk3 to form a quorum.

Then it will result in zkHosts being -> zk1:2181,zk2:2181,zk3:2181/[brokerspath] .

brokerspath only needed if you have set it on kafka config. Ignore it otherwise, resulting in "zk1:2181,zk2:2181,zk3:2181" .

After that -> val source = env.addSource(new FlinkKafkaConsumer09[String](KAFKA_TOPIC, new SimpleStringSchema(), props))

Then on kafkamanager -> consumers I have the groupID prod.

Hope it helps.

Best Regards,

Daniel Santos

On 11/08/2016 08:45 AM, vinay patil wrote:

Hi Limbo,

I am using 0.9, I am not able to see updated results even after refreshing.
There is some property that we have to set in order to make this work

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 12:32 PM, limbo [via Apache Flink User Mailing List archive.] <[hidden email]> wrote:

I am using kafka 0.8, just refresh the page and you will see the updated results, it’s not auto update.

There is our logstash consumer:

and this is our flink consumer:

I find the flink consumer just write the offset of the kafka partition to zookeeper without owner and ids,

so we can’t find the consumer in the manager page, we can only find the offset info.

在 2016年11月8日，下午12:02，vinay patil <[hidden email]> 写道：

Hi Limbo,

I can see the lag by using that URL, but the Lag there is not showing updated results, it does not change, also if you try to to change the consumer group value it will still show you the same value instead of saying consumer group does not exist or similar kind of error :)

According to documentation of 0.9.x the offsets are stored in Kafka, but we can set offset.storage property to zookeeper.
Even by setting this I am not getting the consumer listed.

Kafka cli command also does not show this consumer

Regards,
Vinay Patil

On Tue, Nov 8, 2016 at 8:56 AM, limbo [via Apache Flink User Mailing List archive.] <<a href="x-msg://4/user/SendEmail.jtp?type=node&node=9964&i=0" target="_top" rel="nofollow" link="external" class="">[hidden email]> wrote:

Hi,

I have the same problem, I think the reason is that the consumer of flink use the low level API,

and when I type the group name in manager url I can get the lag of the flink consumer, like this:

http://your_manager_url/clusters/<kafka_name>/consumers/<consumer_name>/topic/<topic_name>/type/ZK

在 2016年11月8日，上午5:12，Daniel Santos <[hidden email]> 写道：

Hello,

I have been using that setup.
From my understanding, if one desires to see the offset being consumed by Flink on KafkaManger, one has to set it up with zookeeper. On 0.9 it will only serve as a view of progress.

Basically what's mandatory on 0.8 is optional on 0.9, and for viewing purposes only.

Best Regards,
Daniel Santos

On November 7, 2016 7:13:54 PM GMT+00:00, Vinay Patil <[hidden email]> wrote:

Hi,

I am monitoring Kafka using KafkaManager for checking offset lag and other Kafka metrics, however I am not able to see the consumers when I use FlinkKafkaConsumer , for console-consumer it shows them in the Consumers list.

I have set the required parameters for the kafka consumer while running the application.

Has anyone faced this issue ?
I am using Kafka 0.9.0.1

Regards,
Vinay Patil

If you reply to this email, your message will be added to the discussion below:
http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Kafka-Monitoring-tp9957p9962.html

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