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Posted to jira@kafka.apache.org by "Rohan Desai (JIRA)" <ji...@apache.org> on 2018/08/19 00:52:00 UTC

[jira] [Created] (KAFKA-7311) Sender should reset next batch expiry time between poll loops

Rohan Desai created KAFKA-7311:
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             Summary: Sender should reset next batch expiry time between poll loops
                 Key: KAFKA-7311
                 URL: https://issues.apache.org/jira/browse/KAFKA-7311
             Project: Kafka
          Issue Type: Bug
          Components: clients
    Affects Versions: 2.1.0
            Reporter: Rohan Desai
             Fix For: 2.1.0


Sender does not reset next batch expiry time between poll loops. This means that once it crosses the expiry time of the first batch, it starts spinning on epoll with a timeout of 0, which consumes a lot of CPU. We observed this running KSQL when investigating why throughput would drop after about 10 minutes (the default delivery timeout).



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