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From "Vijay (JIRA)" <>
Subject [jira] [Updated] (CASSANDRA-7090) Add ability to set/get logging levels to nodetool
Date Sun, 27 Apr 2014 22:04:15 GMT


Vijay updated CASSANDRA-7090:

    Attachment: 0001-CASSANDRA-7090.patch

Hi Jackson, Attached removes the changes to the imports, formatting changes to match Cassandra's
format, removed changes to log location...

Can you rebase to 2.0?

> Add ability to set/get logging levels to nodetool 
> --------------------------------------------------
>                 Key: CASSANDRA-7090
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Tools
>            Reporter: Jackson Chung
>            Assignee: Jackson Chung
>            Priority: Minor
>             Fix For: 2.0.8, 2.1 beta2
>         Attachments: 0001-CASSANDRA-7090.patch, logging.diff, patch-7090.v20
> While it is nice to use logback (per #CASSANDRA-5883) and with the autoreload feature,
in some cases ops/admin may not have the permission or ability to modify the configuration
file(s). Or the files are controlled by puppet/chef so it is not desirable to modify them
> There is already an existing operation for setLoggingLevel in the StorageServuceMBean
, so that's easy to expose that to the nodetool
> But what was lacking was ability to see the current log level settings for various loggers.

> The attached diff aims to do 3 things:
> # add JMX getLoggingLevels --> return a map of current loggers and the corresponding
> # expose both getLoggingLevels and setLoggingLevel to nodetool. In particular, the setLoggingLevel
behave as follows:
> #* If both classQualifer and level are empty/null, it will reload the configuration to
> #* If classQualifer is not empty but level is empty/null, it will set the level to null
for the defined classQualifer
> #* The logback configuration should have < jmxConfigurator /> set
> The diff is based on the master branch which uses logback, soit is not applicable to
2.0 or 1.2. (2.1 is ok) Though it would be nice to have the same ability for 2.0.

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