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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-2326) Add a Random backoff for the initial block report sent to the Name node
Date Wed, 05 Dec 2007 07:07:43 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2326?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

dhruba borthakur updated HADOOP-2326:
-------------------------------------

    Status: Open  (was: Patch Available)

Code looks good.

It might be a good idea to check that the blockreport interval is greater than the initialDelayPeriod,
otherwise the calculation might go insane. Also, is there a way to write a unit test for this
one?

> Add a Random backoff for the initial block report sent to the Name node
> -----------------------------------------------------------------------
>
>                 Key: HADOOP-2326
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2326
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: dfs
>            Reporter: Sanjay Radia
>            Assignee: Sanjay Radia
>             Fix For: 0.16.0
>
>         Attachments: dnBR_RandomBackoff2.txt
>
>
> Startup time can be improved if the initial block reports are spread randomly over small
period of time.

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