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https://issues.apache.org/jira/browse/HDFS-16748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17599190#comment-17599190
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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-1234914211
The failed UT `hadoop.hdfs.server.namenode.ha.TestSeveralNameNodes` and
`hadoop.hdfs.server.balancer.TestBalancerWithHANameNodes` are works well
locally.
> 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
>
> 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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