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From "Xiaoyu Yao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-316) Balancer should run for a configurable # of iterations
Date Mon, 08 Sep 2014 23:04:29 GMT

     [ https://issues.apache.org/jira/browse/HDFS-316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Xiaoyu Yao updated HDFS-316:
    Attachment: HDFS-316.0.patch

Add a parameter {code} -maxIdleIteration {code} to allow specifying # of idle iterations to
run before balancer exit. Allow negative value such as {code} -maxIdleIteration -1 {code}
to put the balancer in a daemon mode which runs infinitely. 

> Balancer should run for a configurable # of iterations
> ------------------------------------------------------
>                 Key: HDFS-316
>                 URL: https://issues.apache.org/jira/browse/HDFS-316
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: balancer
>            Reporter: Brian Bockelman
>            Priority: Minor
>              Labels: newbie
>         Attachments: HDFS-316.0.patch
> The balancer currently exits if nothing has changed after 5 iterations.
> Our site would like to constantly balance a stream of incoming data; we would like to
be able to set the number of iterations it "does nothing" for before exiting; even better
would be if we set it to a negative number and could continuously run this as a daemon.

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