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From "Raghu Angadi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4556) Block went missing
Date Mon, 10 Nov 2008 21:49:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12646372#action_12646372
] 

Raghu Angadi commented on HADOOP-4556:
--------------------------------------

I tested the patch with an artificial test that brings datanodes down and brings them up at
different times among other things.

on trunk, the block loses all the replicas and with the patch it does not.


> Block went missing
> ------------------
>
>                 Key: HADOOP-4556
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4556
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.17.2
>            Reporter: Robert Chansler
>            Assignee: Hairong Kuang
>             Fix For: 0.18.3
>
>         Attachments: missing-block-example.txt, staleInvalidates.patch, staleInvalidates1.patch
>
>
> Suspicion that all replicas of a block were marked for deletion. (Don't panic, investigation
underway.)

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