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https://issues.apache.org/jira/browse/HDFS-1843?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13020570#comment-13020570
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Bharath Mundlapudi commented on HDFS-1843:
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If getFileInfo returns null then throw FileNotFoundException way early than
going through another complete append server call to discover that file was not
found. Attached the patch with unit test. Converted the testcase into JUnit 4
version.
> Discover file not found early for file append
> ----------------------------------------------
>
> Key: HDFS-1843
> URL: https://issues.apache.org/jira/browse/HDFS-1843
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 0.23.0
> Reporter: Bharath Mundlapudi
> Assignee: Bharath Mundlapudi
> Priority: Minor
> Fix For: 0.23.0
>
>
> For the append call, discover file not found exception early and avoid extra
> server call.
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