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https://issues.apache.org/jira/browse/HDFS-16748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17600393#comment-17600393
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ASF GitHub Bot commented on HDFS-16748:
---------------------------------------
ZanderXu commented on PR #4813:
URL: https://github.com/apache/hadoop/pull/4813#issuecomment-1236986107
@ayushtkn @Hexiaoqiao Masters, thank you very much for helping me to review
this patch.
> RBF: DFSClient should uniquely identify writing files by namespace id and
> iNodeId
> ---------------------------------------------------------------------------------
>
> Key: HDFS-16748
> URL: https://issues.apache.org/jira/browse/HDFS-16748
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: ZanderXu
> Assignee: ZanderXu
> Priority: Critical
> Labels: pull-request-available
> Fix For: 3.4.0
>
>
> DFSClient should diff the writing files with namespaceId and iNodeId, because
> the writing files may belongs to different namespace with the same iNodeId.
> And the related code as bellows:
> {code:java}
> public void putFileBeingWritten(final long inodeId,
> final DFSOutputStream out) {
> synchronized(filesBeingWritten) {
> filesBeingWritten.put(inodeId, out);
> // update the last lease renewal time only when there was no
> // writes. once there is one write stream open, the lease renewer
> // thread keeps it updated well with in anyone's expiration time.
> if (lastLeaseRenewal == 0) {
> updateLastLeaseRenewal();
> }
> }
> }
> {code}
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