[YARN-4956] findbug issue on LevelDBCacheTimelineStore

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.8.0
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Component/s: timelineserver
• Hadoop Flags: Reviewed
• Assignee: Zhiyuan Yang
• Reporter: Xuan Gong
• Created: 13/Apr/16 17:42
• Updated: 30/Aug/16 01:03
• Resolved: 27/Apr/16 17:59

Description

Multithreaded correctness Warnings
Code Warning IS Inconsistent synchronization of org.apache.hadoop.yarn.server.timeline.LevelDBCacheTimelineStore.configuration; locked 66% of time
Bug type IS2_INCONSISTENT_SYNC (click for details) 
In class org.apache.hadoop.yarn.server.timeline.LevelDBCacheTimelineStore
Field org.apache.hadoop.yarn.server.timeline.LevelDBCacheTimelineStore.configuration
Synchronized 66% of the time
Unsynchronized access at LevelDBCacheTimelineStore.java:[line 82]
Synchronized access at LevelDBCacheTimelineStore.java:[line 117]
Synchronized access at LevelDBCacheTimelineStore.java:[line 122]