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Posted to hdfs-issues@hadoop.apache.org by "Brahma Reddy Battula (JIRA)" <ji...@apache.org> on 2017/08/09 09:04:00 UTC
[jira] [Comment Edited] (HDFS-12157) Do fsyncDirectory(..) outside
of FSDataset lock
[ https://issues.apache.org/jira/browse/HDFS-12157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16119602#comment-16119602 ]
Brahma Reddy Battula edited comment on HDFS-12157 at 8/9/17 9:03 AM:
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will hold for commit till [~kihwal] review once.
was (Author: brahmareddy):
will hold for commit till [~kihwal] review once..?
> 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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