[jira] [Created] (PHOENIX-4736) PQS Client side Metrics Handling

["Karan Mehta (JIRA)" <ji...@apache.org>]

Karan Mehta created PHOENIX-4736:
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             Summary: PQS Client side Metrics Handling 
                 Key: PHOENIX-4736
                 URL: https://issues.apache.org/jira/browse/PHOENIX-4736
             Project: Phoenix
          Issue Type: Improvement
            Reporter: Karan Mehta


Phoenix fat client exposes a number of metrics at StatementLevel as well as ConnectionLevel. PQS uses avatica server and exposes two metrics at this point of time, which is request end to end time and request serialization/deserialization time. These metrics are not super useful for PQS operations POV, however we need them to track the bad client and mis-usage.

This Jira is to discuss how we should handle those metrics. 

1. As pointed by [~jamestaylor], we can use SYSTEM.LOG table as a potential option here. 

2. Write a shim layer to convert the metrics to hbase-metrics, which internally uses hadoop-metrics2 and define fine sink as the output.

Additional ideas welcome.

[~elserj] [~apurtell] [~tdsilva] 



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