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https://issues.apache.org/jira/browse/HDFS-4525?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13585628#comment-13585628
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Uma Maheswara Rao G commented on HDFS-4525:
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Cool, Thanks a lot, SeeHari!
May be simple API will be ok I feel, because FileStatus is carrying lot of
other information as well like isDir...etc. Adding this API in
DistributedFileSystem may be ok. It should be like isInSafeMode API in that.
What do you say?
> Provide an API for knowing that whether file is closed or not.
> --------------------------------------------------------------
>
> Key: HDFS-4525
> URL: https://issues.apache.org/jira/browse/HDFS-4525
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Affects Versions: 3.0.0, 2.0.3-alpha
> Reporter: Uma Maheswara Rao G
>
> Currently recoverLease API will return true if file is already closed.
> Otherwise it will trigger internalLease recovery and return false. It may
> take some time to really complete this recovery and file to be closed
> completely. So, there is noway for the users to wait correctly until file is
> closed completely.
> It would good if we have one API which says whether that file is closed or
> not. So, that users can relay on that proceed further if and only if file is
> closed completely.
> See the discussion in HBASE-7878
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