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Posted to dev@kafka.apache.org by "Gwen Shapira (JIRA)" <ji...@apache.org> on 2015/12/16 20:36:47 UTC

[jira] [Resolved] (KAFKA-2049) Add thread that detects JVM pauses

     [ https://issues.apache.org/jira/browse/KAFKA-2049?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gwen Shapira resolved KAFKA-2049.
---------------------------------
    Resolution: Won't Fix

We have a GC log

> Add thread that detects JVM pauses
> ----------------------------------
>
>                 Key: KAFKA-2049
>                 URL: https://issues.apache.org/jira/browse/KAFKA-2049
>             Project: Kafka
>          Issue Type: Improvement
>            Reporter: Gwen Shapira
>            Assignee: Gwen Shapira
>
> Long JVM pauses can cause Kafka malfunctions (especially when interacting with ZK) that can be challenging to debug.
> I propose implementing HADOOP-9618 in Kafka:
> Add a simple thread which loops on 1-second sleeps, and if the sleep ever takes significantly longer than 1 second, log a WARN. This will make GC pauses (and other pauses) obvious in logs.



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