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From "Ari Rabkin (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CHUKWA-571) Add digested system metrics to SystemMetrics demux parser
Date Sun, 02 Jan 2011 04:19:45 GMT

    [ https://issues.apache.org/jira/browse/CHUKWA-571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12976470#action_12976470
] 

Ari Rabkin commented on CHUKWA-571:
-----------------------------------

Looks good; +1 to commit.

> Add digested system metrics to SystemMetrics demux parser
> ---------------------------------------------------------
>
>                 Key: CHUKWA-571
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-571
>             Project: Chukwa
>          Issue Type: New Feature
>          Components: MR Data Processors
>         Environment: Java 6, Mac OS X 10.6
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>         Attachments: CHUKWA-571.patch
>
>
> For now, the system metrics demux parser are storing raw metrics.  Each system components
are measured independently.  It would be nice to make a summary grouping for cpu, disk, network.
 Instead of storing cpu:combined.0 ... cpu:combined.8, for 8 cpu cores in the system, it would
be nice to have a average number for all cpus combined.  The digested metrics are easier to
aggregate at cluster level.

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