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Date: Tue, 26 May 2009 16:23:45 -0700 (PDT)
From: "Ari Rabkin (JIRA)" <jira@apache.org>
To: chukwa-dev@hadoop.apache.org
Subject: [jira] Commented: (CHUKWA-262) keep number of measurements in
 cluster_ tables
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    [ https://issues.apache.org/jira/browse/CHUKWA-262?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12713326#action_12713326 ] 

Ari Rabkin commented on CHUKWA-262:
-----------------------------------

This may be invalid. Does the "host" field do that?

> keep number of measurements in cluster_ tables
> ----------------------------------------------
>
>                 Key: CHUKWA-262
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-262
>             Project: Hadoop Chukwa
>          Issue Type: New Feature
>          Components: Data Processors
>            Reporter: Ari Rabkin
>             Fix For: 0.2.0
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> When we compute an average across a number of machines, it would be good to keep track of the number of machines in question. This will alert the user if shifts in the average are due to shifts on a bunch of machines, or shifts in which machines are reporting.

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