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From "Yusaku Sako (JIRA)" <>
Subject [jira] [Updated] (AMBARI-6286) Get rid of using macros as enviroment variables for nagios
Date Sat, 15 Nov 2014 01:39:34 GMT


Yusaku Sako updated AMBARI-6286:
    Fix Version/s:     (was: 1.7.0)

> Get rid of using macros as enviroment variables for nagios
> ----------------------------------------------------------
>                 Key: AMBARI-6286
>                 URL:
>             Project: Ambari
>          Issue Type: Bug
>            Reporter: Andrew Onischuk
>            Assignee: Andrew Onischuk
>             Fix For: 2.0.0
>     Macros are normally made available to check, notification, event handler, etc. commands
as environment variables. 
>     This can be a problem in a large Nagios installation, as it consumes some additional
memory and (more importantly) more CPU. 
>     If your scripts don't need to access the macros as environment variables (e.g. you
pass all necessary macros on the command line), you don't need this feature. 
>     You can prevent macros from being made available as environment variables by using
the enable_environment_macros option.
> we have 3 enviroment macros used in, and some in other
> scripts, we can excplicetely set them to env by editting hadoop-commands.cfg
> Benefit: we can stop using expensive enable_environment_macros, and have
> alerts working on large cluster.

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