Aravindan Vijayan created HDDS-2380:
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Summary: OMFileRequest should use the isExist API while checking
for pre-existing files in the directory path.
Key: HDDS-2380
URL: https://issues.apache.org/jira/browse/HDDS-2380
Project: Hadoop Distributed Data Store
Issue Type: Bug
Components: Ozone Manager
Reporter: Aravindan Vijayan
Fix For: 0.5.0
Currently, when OM creates a file/directory, it checks the absence of all
prefix paths of the key in its RocksDB. Since we don't care about the
deserialization of the actual value, we should use the isExist API added in
org.apache.hadoop.hdds.utils.db.Table which internally uses the more performant
keyMayExist API of RocksDB.
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