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https://issues.apache.org/jira/browse/HDFS-6108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Liang Xie updated HDFS-6108:
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Attachment: HDFS-6108.txt
Minor change without new case
> make the length of the range in sync_file_range() configurable
> --------------------------------------------------------------
>
> Key: HDFS-6108
> URL: https://issues.apache.org/jira/browse/HDFS-6108
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Affects Versions: 3.0.0, 2.3.0
> Reporter: Liang Xie
> Assignee: Liang Xie
> Attachments: HDFS-6108.txt
>
>
> Current codebase has a hard code value for sync_file_range system call, we'd
> better to make it configurable, since different scenario probably has a
> different/better value for it. (ps: i found it's 1 * 1024 * 1024 in fb-20
> branch)
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