[HDFS-3010] Get performance on HA branch to match trunk

• Type: Sub-task
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: HA branch (HDFS-1623)
• Component/s: ha, namenode
• Target Version/s: HA branch (HDFS-1623)
• Assignee: Todd Lipcon
• Reporter: Todd Lipcon
• Created: 24/Feb/12 18:34
• Updated: 01/Mar/12 01:12
• Resolved: 01/Mar/12 01:12

Description

As described in this comment the performance of the HA branch for writes is significantly reduced compared to trunk. We need to dig a bit and optimize whatever it is that's hurting us in order to get back to the same performance numbers.

Issue Links

• relates to: HDFS-3023 Optimize entries in edits log for persistBlocks calls