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https://issues.apache.org/jira/browse/ZOOKEEPER-3019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16500012#comment-16500012
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Hadoop QA commented on ZOOKEEPER-3019:
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+1 overall. GitHub Pull Request Build
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 15 new or modified tests.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs (version 3.0.1)
warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
+1 core tests. The patch passed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/1785//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/1785//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
https://builds.apache.org/job/PreCommit-ZOOKEEPER-github-pr-build/1785//console
This message is automatically generated.
> 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, 3.4.13, 3.5.5
>
> Time Spent: 20m
> 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 exceedsÂ
> fsyncWarningThresholdMS.
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