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https://issues.apache.org/jira/browse/HDFS-12157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16119984#comment-16119984
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Hudson commented on HDFS-12157:
-------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #12153 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/12153/])
HDFS-12157. Do fsyncDirectory(..) outside of FSDataset lock. Contributed 
(kihwal: rev 69afa26f19adad4c630a307c274130eb8b697141)
* (edit) 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java


> Do fsyncDirectory(..) outside of FSDataset lock
> -----------------------------------------------
>
>                 Key: HDFS-12157
>                 URL: https://issues.apache.org/jira/browse/HDFS-12157
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>            Reporter: Vinayakumar B
>            Assignee: Vinayakumar B
>            Priority: Critical
>         Attachments: HDFS-12157-01.patch, HDFS-12157-branch-2-01.patch, 
> HDFS-12157-branch-2.7-01.patch, HDFS-12157-branch-2.7-01.patch
>
>
> HDFS-5042 introduced fsyncDirectory(..) to save blocks from power failure. 
> Do it outside of FSDataset lock to avoid overall performance degradation if 
> disk takes more time to sync.



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