[jira] [Updated] (HDFS-16748) RBF: DFSClient should uniquely identify writing files by namespace id and iNodeId

["Ayush Saxena (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-16748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ayush Saxena updated HDFS-16748:
--------------------------------
    Summary: RBF: DFSClient should uniquely identify writing files by namespace id and iNodeId  (was: DFSClient should uniquely identify writing files by namespace id and iNodeId)

> 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
>
> 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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