http://deprecated-apache-flink-user-mailing-list-archive.369.s1.nabble.com/CPU-Cores-of-JobManager-tp17022p17045.html
an external DB. Its not so complicated.
> I had some profiling tool like jvisualvm in mind. Are you executing
> streaming or batch jobs? If streaming, is checkpointing enabled and
> which type of statebackend?
>
> @Chesnay do you have experience with slow behavior of the Web UI?
>
> Regards,
> Timo
>
>
> Am 12/5/17 um 10:37 AM schrieb Yuta Morisawa:
>> Hi Timo
>>
>> Thank you for your early reply.
>>
>> These are commands which I run my apps.
>> ./bin/yarn-session.sh -n 20 -jm 6000 -tm 24000 -s 10
>> ./bin/flink run -p 100 <jar1> <jar1 parameters>
>> ./bin/flink run -p 100 <jar2> <jar2 parameters>
>>
>> So, JobManager Heap Memory = 6000 MB and it manages 2 jobs.
>>
>> > Maybe you can use a profiler and find out which component consumes so
>> > much CPU resources?
>> You mean Java Flight Recorder or JITWatch?
>> Or, Flink has original profiler?
>>
https://ci.apache.org/projects/flink/flink-docs-release-1.3/monitoring/application_profiling.html
>>
>>
>> Regards,
>> Yuta
>>
>> On 2017/12/05 18:02, Timo Walther wrote:
>>> Hi Yuta,
>>>
>>> as far as I know you cannot assign more cores to a JobManager.
>>>
>>> Can you tell us a bit more about your environment? How many jobs does
>>> the JobManager has to manage? How much heap memory is assigned to the
>>> JobManager?
>>>
>>> Maybe you can use a profiler and find out which component consumes so
>>> much CPU resources?
>>>
>>> Regards,
>>> Timo
>>>
>>>
>>> Am 12/5/17 um 5:13 AM schrieb Yuta Morisawa:
>>>> Hi
>>>>
>>>> Now I am looking for the way to increase the number of allocated CPU
>>>> cores because my JobManagaer WEBUI is very heavy and sometimes freeze.
>>>>
>>>> I think this is caused by the resource shortage of JobManager.
>>>> How can I increase the number of CPU for JobManager in YARN mode?
>>>>
>>>>
>>>>
>>>> Thanks
>>>> Yuta
>>>
>>>
>>>
>
>