[jira] [Resolved] (ZOOKEEPER-3019) Add a metric to track number of slow fsyncs

[Andor Molnar (JIRA)]

     [ 
https://issues.apache.org/jira/browse/ZOOKEEPER-3019?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Andor Molnar resolved ZOOKEEPER-3019.
-------------------------------------
       Resolution: Fixed
    Fix Version/s:     (was: 3.4.13)

Issue resolved by pull request 501
[https://github.com/apache/zookeeper/pull/501]

> Add a metric to track number of slow fsyncs
> -------------------------------------------
>
>                 Key: ZOOKEEPER-3019
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3019
>             Project: ZooKeeper
>          Issue Type: Improvement
>          Components: jmx, server
>    Affects Versions: 3.5.3, 3.4.11, 3.6.0
>            Reporter: Norbert Kalmar
>            Assignee: Norbert Kalmar
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.6.0, 3.5.5
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> Add jmx bean and Command to ZooKeeper server to expose the the number of slow 
> fsyncs as a metric.
> FileTxnLog.commit() should count the number of times fsync exceeds 
> fsyncWarningThresholdMS.



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