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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-13369) Expose scanNext stats to region server level
Date Tue, 31 Mar 2015 14:14:53 GMT
Ted Yu created HBASE-13369:
------------------------------

             Summary: Expose scanNext stats to region server level
                 Key: HBASE-13369
                 URL: https://issues.apache.org/jira/browse/HBASE-13369
             Project: HBase
          Issue Type: Improvement
            Reporter: Ted Yu
            Assignee: Ted Yu


Regions have a scanNext_num_ops stat but there is no such stat at the regionserver level.
The num_ops metrics at the RS level (exposed through JMX) are as follows:
{code}
    "SyncTime_num_ops" : 54,
    "AppendSize_num_ops" : 56,
    "AppendTime_num_ops" : 56,
    "Append_num_ops" : 0,
    "Delete_num_ops" : 0,
    "Mutate_num_ops" : 0,
    "Get_num_ops" : 0,
    "Replay_num_ops" : 0,
    "Increment_num_ops" : 0,
    "QueueCallTime_num_ops" : 53,
    "ProcessCallTime_num_ops" : 53,
{code}
We need a scanNext_num_ops, along with 95th percentile stat, at the RS level.




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