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Posted to dev@kafka.apache.org by "Guozhang Wang (JIRA)" <ji...@apache.org> on 2014/09/04 17:35:51 UTC

[jira] [Updated] (KAFKA-1623) kafka is sometimes slow to accept connections

     [ https://issues.apache.org/jira/browse/KAFKA-1623?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guozhang Wang updated KAFKA-1623:
---------------------------------
    Affects Version/s:     (was: 0.8.1.1)
                       0.9.0

> kafka is sometimes slow to accept connections
> ---------------------------------------------
>
>                 Key: KAFKA-1623
>                 URL: https://issues.apache.org/jira/browse/KAFKA-1623
>             Project: Kafka
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 0.9.0
>            Reporter: Shlomi Hazan
>              Labels: performance
>
> from SocketServer.scala:144
> the Acceptor can wait up to 500 millis before processing the accumulated FDs. Also, the backlog of the acceptor socket seems not to be defined, which may be problematic if all 500 millis are elapsed before the thread awakes. setting the backlog is doable using the proper ServerSocket Ctor, and maybe better be provisioned via configuration.



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