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Rajesh Balamohan resolved HIVE-24806. ------------------------------------- Fix Version/s: 4.0.0 Resolution: Fixed > Compactor: Initiator should lazy evaluate findUserToRunAs() > ----------------------------------------------------------- > > Key: HIVE-24806 > URL: https://issues.apache.org/jira/browse/HIVE-24806 > Project: Hive > Issue Type: Improvement > Reporter: Rajesh Balamohan > Assignee: Rajesh Balamohan > Priority: Major > Labels: pull-request-available > Fix For: 4.0.0 > > Time Spent: 0.5h > Remaining Estimate: 0h > > https://github.com/apache/hive/blob/64bb52316f19426ebea0087ee15e282cbde1d852/ql/src/java/org/apache/hadoop/hive/ql/txn/compactor/Initiator.java#L232 > {noformat} > cache.putIfAbsent(fullTableName, findUserToRunAs(sd.getLocation(), t)); > {noformat} > This ends up evaluating findUserToRunAs() everytime, and looks up from > FileSystem on every call (thousands of times in large database). > This can be lazy initialized instead (e.g computeIfAbsent); -- This message was sent by Atlassian Jira (v8.3.4#803005)