Ethan Wang commented on PHOENIX-4370:


> Surface hbase metrics from perconnection to global metrics
> ----------------------------------------------------------
>                 Key: PHOENIX-4370
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4370
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: Ethan Wang
>            Assignee: Ethan Wang
>            Priority: Major
>         Attachments: PHOENIX-4370-v1.patch
> Surface hbase metrics from perconnection to global metrics
> Currently in phoenix client side, HBASE metrics are recorded and surfaced at 
> Per Connection level. PHOENIX-4370 allow it to be aggregated at global level, 
> i.e., aggregate across all connections within in one JVM so that user can 
> evaluate it as a stable metrics periodically.
>     COUNT_RPC_CALLS("rp", "Number of RPC calls"),
>     COUNT_REMOTE_RPC_CALLS("rr", "Number of remote RPC calls"),
>     COUNT_MILLS_BETWEEN_NEXTS("n", "Sum of milliseconds between sequential 
> next calls"),
> NotServingRegionException caught"),
>     COUNT_BYTES_REGION_SERVER_RESULTS("rs", "Number of bytes in Result 
> objects from region servers"),
>     COUNT_BYTES_IN_REMOTE_RESULTS("rrs", "Number of bytes in Result objects 
> from remote region servers"),
>     COUNT_SCANNED_REGIONS("rg", "Number of regions scanned"),
>     COUNT_RPC_RETRIES("rpr", "Number of RPC retries"),
>     COUNT_REMOTE_RPC_RETRIES("rrr", "Number of remote RPC retries"),
>     COUNT_ROWS_SCANNED("ws", "Number of rows scanned"),
>     COUNT_ROWS_FILTERED("wf", "Number of rows filtered");

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