Chris Nauroth created HDFS-4768:
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Summary: block scanner does not close verification log when a
block pool is being deleted (but the datanode remains running)
Key: HDFS-4768
URL: https://issues.apache.org/jira/browse/HDFS-4768
Project: Hadoop HDFS
Issue Type: Bug
Components: datanode
Affects Versions: 3.0.0, 2.0.4-alpha
Reporter: Chris Nauroth
Assignee: Chris Nauroth
HDFS-4274 fixed a file handle leak of the block scanner's verification logs by
adding method {{BlockPoolSliceScanner#shutdown}} and guaranteeing that the
method gets called for each live {{BlockPoolSliceScanner}} during datanode
shutdown. However, that patch did not consider the case of deleting a block
pool via {{ClientDatanodeProtocol#deleteBlockPool}} while the datanode remains
running.
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