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Date: Sun, 3 Jan 2010 19:46:54 +0000 (UTC)
From: "Ari Rabkin (JIRA)" <jira@apache.org>
To: chukwa-dev@hadoop.apache.org
Subject: [jira] Commented: (CHUKWA-445) real-time buffer and display at
 Collector
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    [ https://issues.apache.org/jira/browse/CHUKWA-445?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12796022#action_12796022 ] 

Ari Rabkin commented on CHUKWA-445:
-----------------------------------

In small to midsize deployments, it would be nice for collectors to cache, say, the last megabyte of received log data, and make it visible via the web.

Intended implementation:  Have a web servlet coupled to a collector pipeline stage.
Keep a total of 1 MB of chunks. Keep an index by stream.  Let users browse, via the web, to an arbitrary stream and show all the data in that stream.

> real-time buffer and display at Collector
> -----------------------------------------
>
>                 Key: CHUKWA-445
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-445
>             Project: Hadoop Chukwa
>          Issue Type: New Feature
>            Reporter: Ari Rabkin
>
> It would be really cool to have the collector buffer a certain amount of received data, and make it available via the web interface.

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