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From "Gopal V (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-10761) Create codahale-based metrics system for Hive
Date Fri, 05 Jun 2015 09:20:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-10761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14574181#comment-14574181
] 

Gopal V commented on HIVE-10761:
--------------------------------

Setting {{hive.server2.metrics.enabled=true}} seems to trigger another error

{code}
2015-06-05 02:18:28,818 ERROR [main()]: server.HiveServer2 (HiveServer2.java:stop(314)) -
error in Metrics deinit: java.lang.NullPointerException null
java.lang.NullPointerException
        at org.apache.hive.service.server.HiveServer2.stop(HiveServer2.java:312)
        at org.apache.hive.service.server.HiveServer2.startHiveServer2(HiveServer2.java:387)
        at org.apache.hive.service.server.HiveServer2.access$700(HiveServer2.java:75)
        at org.apache.hive.service.server.HiveServer2$StartOptionExecutor.execute(HiveServer2.java:609)
        at org.apache.hive.service.server.HiveServer2.main(HiveServer2.java:482)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
        at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
{code}

> Create codahale-based metrics system for Hive
> ---------------------------------------------
>
>                 Key: HIVE-10761
>                 URL: https://issues.apache.org/jira/browse/HIVE-10761
>             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
models.
> The existing metric subsystem will be kept and can be enabled if backward compatibility
is desired.



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