[HADOOP-10095] Performance improvement in CodecPool

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.2.0, 3.0.0-alpha1
• Fix Version/s: 2.3.0
• Component/s: io
• Hadoop Flags: Reviewed
• Assignee: Nicolas Liochon
• Reporter: Nicolas Liochon
• Created: 13/Nov/13 11:35
• Updated: 12/May/16 18:27
• Resolved: 13/Nov/13 22:52

Description

CodecPool shows up when profiling HBase with a mixed workload (it says we spend 1% of the time there).

It could be a profiler side effect, but on the other hand we can save some 'Map#contains'.