[HDFS-3020] Auto-logSync based on edit log buffer size broken

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 0.22.0, 0.23.0
• Fix Version/s: 2.0.0-alpha, 0.23.10
• Component/s: namenode
• Target Version/s: 0.23.3
• Hadoop Flags: Reviewed
• Assignee: Todd Lipcon
• Reporter: Todd Lipcon
• Created: 28/Feb/12 03:41
• Updated: 28/Sep/15 20:58
• Resolved: 29/Feb/12 19:58

Description

HDFS-1112 added a feature whereby the edit log automatically calls logSync() if the buffered data crosses a threshold. However, the code checks bufReady.size() rather than bufCurrent.size() – which is incorrect since the writes themselves go into bufCurrent.

Issue Links

• is related to: HDFS-1112 Edit log buffer should not grow unboundedly