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From "Karan Mehta (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-3655) Metrics for PQS
Date Sat, 07 Apr 2018 03:05:00 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-3655?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16429212#comment-16429212
] 

Karan Mehta commented on PHOENIX-3655:
--------------------------------------

I would like to take up this patch and finish up the remaining work / start from scratch.

[~elserj] [~apurtell] [~jamestaylor]
Any suggestions you have on this one? What is your view of how metrics should look like? How
have various metrics helped us in production?

> Metrics for PQS
> ---------------
>
>                 Key: PHOENIX-3655
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-3655
>             Project: Phoenix
>          Issue Type: New Feature
>    Affects Versions: 4.8.0
>         Environment: Linux 3.13.0-107-generic kernel, v4.9.0-HBase-0.98
>            Reporter: Rahul Shrivastava
>            Assignee: Rahul Shrivastava
>            Priority: Major
>             Fix For: 4.14.0
>
>         Attachments: MetricsforPhoenixQueryServerPQS.pdf
>
>   Original Estimate: 240h
>  Remaining Estimate: 240h
>
> Phoenix Query Server runs a separate process compared to its thin client. Metrics collection
is currently done by PhoenixRuntime.java i.e. at Phoenix driver level. We need the following
> 1. For every jdbc statement/prepared statement/ run by PQS , we need capability to collect
metrics at PQS level and push the data to external sink i.e. file, JMX , other external custom
sources. 
> 2. Besides this global metrics could be periodically collected and pushed to the sink.

> 2. PQS can be configured to turn on metrics collection and type of collect ( runtime
or global) via hbase-site.xml
> 3. Sink could be configured via an interface in hbase-site.xml. 
> All metrics definition https://phoenix.apache.org/metrics.html



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