Re: About KafkaConsumerBase

Posted by Piotr Nowojski on
URL: http://deprecated-apache-flink-user-mailing-list-archive.369.s1.nabble.com/About-KafkaConsumerBase-tp14601p14603.html

Hi,

pendingOffsetsToCommit is a private field which is not accessed from outside of the FlinkKafkaConsumerBase class. It is only used in state manipulation methods, which are not executed in parallel.

Thanks, Piotrek

> On Aug 1, 2017, at 1:20 PM, aitozi <[hidden email]> wrote:
>
> Hello:
>
>    i am new to Flink, ijust read the source code . i am doubt that , why in
> FlinkKafkaConsumerBase.java (version1.2),  like method :
> notifyCheckpointComplete  may change the pendingOffsetsToCommit in parallel
> , why dont need to be surrouned with "synchronized"  
>
> thanks
>
>
>
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