Xiaoyu Yao created HDFS-11805:
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Summary: Ensure LevelDB DBIterator is closed
Key: HDFS-11805
URL: https://issues.apache.org/jira/browse/HDFS-11805
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Xiaoyu Yao
Assignee: Chen Liang
Priority: Minor
DBIterator used in CblockManager/FilteredKeys/SQLCLI/OzoneMetadataManager
should be closed after done with the iteration to avoid resource leaking.
try-with-resource should fix that easily for most of the cases. FIlteredKeys
may be a special case that I have not fully checked yet.
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