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From "Ari Rabkin (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CHUKWA-366) Custom Tags
Date Tue, 04 Aug 2009 18:46:14 GMT

    [ https://issues.apache.org/jira/browse/CHUKWA-366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12739088#action_12739088
] 

Ari Rabkin commented on CHUKWA-366:
-----------------------------------

Yes.  My patch is leveraging chukwaAgent.tags, and addTag().  It makes no change to that part
of the system.  As you point out, it is implicitly standardizing key="value"; or at least
encouraging that format.  You'd still be able to use that field in other ways, but callers
of getTag(String ) would be confused.  I'm prepared to pay that price.

Rather than adding a Map to Chunk, you might extend ChunkImpl to include your map, if you
don't need to serialize it. This would preserve the existing serialized format.

> Custom Tags
> -----------
>
>                 Key: CHUKWA-366
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-366
>             Project: Hadoop Chukwa
>          Issue Type: New Feature
>          Components: User Interface
>    Affects Versions: 0.3.0
>         Environment: Web Stack
>            Reporter: Aaron Beitch
>            Assignee: Ari Rabkin
>             Fix For: 0.3.0
>
>         Attachments: generaltagging.patch
>
>
> Being able to specify custom tags for a machine.
> I would like to be able to tag a machine as part of a specific stack, such as Stack1
and Stack2, which is already implemented as the 'cluster' tag specified in chukwa-agent-conf.xml.
I would also like to be able to tag each machine according to its role, such as WebServer
or DataBase. This is not currently doable. The best solution would probably be to allow arbitrary
tags. This functionality should be exposed also in the use of dump.sh, such that I can filter
on any tag.

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