Vinay created HDFS-4855:
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Summary: DFSOutputStream reference should be cleared from
DFSClient#filesBeingWritten if the file closure fails.
Key: HDFS-4855
URL: https://issues.apache.org/jira/browse/HDFS-4855
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs-client
Affects Versions: 2.0.4-alpha
Reporter: Vinay
Assignee: Vinay
Fix For: 2.0.4.1-alpha
If the file closure fails due to some exception, then {{DFSOutputStream}}
reference should be removed from the {{DFSClient#filesBeingWritten}}.
Which is useless to keep and also memory consuming.
If the same client is being used for long time,, then there is a chance of
client getting OOM due to this.
fix would be simple.
Just cover complete {{DFSOutputStream#close()}} under try-finally and move
{{dfsClient.endFileLease(src);}} to finally block.
Any thoughts..?
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