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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-3062) introduce fsync.warningthresholdms constant for FileTxnLog LOG.warn message
Date Thu, 02 Aug 2018 02:52:00 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-3062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16566277#comment-16566277
] 

Hudson commented on ZOOKEEPER-3062:
-----------------------------------

SUCCESS: Integrated in Jenkins build ZooKeeper-trunk #131 (See [https://builds.apache.org/job/ZooKeeper-trunk/131/])
ZOOKEEPER-3062: mention fsync.warningthresholdms in FileTxnLog LOG.warn (phunt: rev 7cf8035c3a5ca05bce2d183b41bf410709a5f6ee)
* (edit) src/java/main/org/apache/zookeeper/server/persistence/FileTxnLog.java
* (edit) src/java/test/org/apache/zookeeper/server/persistence/FileTxnLogTest.java


> introduce fsync.warningthresholdms constant for FileTxnLog LOG.warn message
> ---------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-3062
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3062
>             Project: ZooKeeper
>          Issue Type: Task
>    Affects Versions: 3.5.4, 3.6.0, 3.4.13
>            Reporter: Christine Poerschke
>            Assignee: Christine Poerschke
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 3.6.0, 3.5.5, 3.4.14
>
>         Attachments: ZOOKEEPER-3062.patch, ZOOKEEPER-3062.patch
>
>          Time Spent: 1h 20m
>  Remaining Estimate: 0h
>
> The
> {code}
> fsync-ing the write ahead log in ... took ... ms which will adversely effect operation
latency. File size is ... bytes. See the ZooKeeper troubleshooting guide
> {code}
> warning mentioning the {{fsync.warningthresholdms}} configurable property would make
it easier to discover and also when interpreting historical vs. current logs or logs from
different ensembles then differences in configuration would be easier to spot.



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