[HBASE-5544] Add metrics to HRegion.processRow()

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.95.0
• Hadoop Flags: Reviewed

Release Note

Collects the time spent on each step in HRegion.processRow()
Here are the metrics collected

rowprocessor.<name>.nano
rowprocessor.<name>.error.nano
rowprocessor.<name>. acquirelock.nano
rowprocessor.<name>. occupylock.nano
rowprocessor.<name>. sync.nano

where <name> is the value of RowProcessor.getName().

• Assignee: Scott Chen
• Reporter: Scott Chen
• Created: 09/Mar/12 00:03
• Updated: 23/Sep/13 18:31
• Resolved: 11/May/12 23:22

Description

Add metrics of
1. time for waiting for the lock
2. processing time (scan time)
3. time spent while holding the lock
4. total call time
5. number of failures / calls