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From "Szehon Ho (JIRA)" <>
Subject [jira] [Commented] (HIVE-10761) Create codahale-based metrics system for Hive
Date Fri, 05 Jun 2015 10:05:01 GMT


Szehon Ho commented on HIVE-10761:


> Create codahale-based metrics system for Hive
> ---------------------------------------------
>                 Key: HIVE-10761
>                 URL:
>             Project: Hive
>          Issue Type: New Feature
>          Components: Diagnosability
>            Reporter: Szehon Ho
>            Assignee: Szehon Ho
>             Fix For: 1.3.0
>         Attachments: HIVE-10761.2.patch, HIVE-10761.3.patch, HIVE-10761.4.patch, HIVE-10761.5.patch,
HIVE-10761.6.patch, HIVE-10761.patch, hms-metrics.json
> There is a current Hive metrics system that hooks up to a JMX reporting, but all its
measurements, models are custom.
> This is to make another metrics system that will be based on Codahale (ie yammer, dropwizard),
which has the following advantage:
> * Well-defined metric model for frequently-needed metrics (ie JVM metrics)
> * Well-defined measurements for all metrics (ie max, mean, stddev, mean_rate, etc), 
> * Built-in reporting frameworks like JMX, Console, Log, JSON webserver
> It is used for many projects, including several Apache projects like Oozie.  Overall,
monitoring tools should find it easier to understand these common metric, measurement, reporting
> The existing metric subsystem will be kept and can be enabled if backward compatibility
is desired.

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