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From "Chinmay Kulkarni (Jira)" <>
Subject [jira] [Closed] (PHOENIX-3655) Global Phoenix Client Metrics for PQS
Date Sat, 21 Dec 2019 00:57:06 GMT


Chinmay Kulkarni closed PHOENIX-3655.

Bulk closing Jiras for the 4.15.0 release.

> Global Phoenix Client Metrics for PQS
> -------------------------------------
>                 Key: PHOENIX-3655
>                 URL:
>             Project: Phoenix
>          Issue Type: New Feature
>    Affects Versions: 4.8.0
>            Reporter: Rahul Shrivastava
>            Assignee: Karan Mehta
>            Priority: Major
>             Fix For: 4.15.0, 5.1.0
>         Attachments: MetricsforPhoenixQueryServerPQS.pdf, PHOENIX-3655.4.x-HBase-1.4.001.patch
>   Original Estimate: 240h
>          Time Spent: 10m
>  Remaining Estimate: 239h 50m
> Phoenix Query Server runs a separate process compared to its thin client. Metrics collection
is currently done by i.e. at Phoenix driver level. We need to expose Global
Client Metrics from PQS.
> Implementation Used: 
> GlobalClientMetrics will be instantiated as GlobalMetricImpl, when enabled. A shim layer
is provided to convert phoenix-metrics to hbase-metrics. All metrics are currently mapped
as gauges (PhoenixGlobalMetricGauge). A HBaseMetrics2HadoopMetricsAdapter object converts
hbase-metrics to hadoop-metrics2 and then pushed to configured sinks (based on properties
in files). Hadoop-metrics2 library pushes all metrics to JMX by
> All metrics definition []
> *phoenix.client.metrics.tag* property can be configured for metrics filtering, which
is defaulted to *FAT_CLIENT*
> Older Requirements (No longer valid)
> 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
>  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.

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