[YARN-448] Remove unnecessary hflush from log aggregation

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.23.7, 2.1.0-beta
• Fix Version/s: 0.23.7, 2.1.0-beta
• Component/s: nodemanager
• Assignee: Kihwal Lee
• Reporter: Kihwal Lee
• Created: 04/Mar/13 15:45
• Updated: 03/Sep/14 22:54
• Resolved: 04/Mar/13 20:13

Description

AggregatedLogFormat#writeVersion() calls hflush() after writing the version. Calling hflush does not seem to be necessary. It can add a lot of load to hdfs in a big busy cluster.