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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HDFS-567) Two contrib tools to facilitate searching for block history information
Date Fri, 18 Sep 2009 17:04:16 GMT

     [ https://issues.apache.org/jira/browse/HDFS-567?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suresh Srinivas updated HDFS-567:
---------------------------------

        Priority: Major  (was: Minor)
    Release Note: Add block forensics contrib tool to print history of corrupt and missing
blocks from the HDFS logs.  (was: Adds a contrib that includes two programs to facilitate
searching for block history information in log files. )
    Hadoop Flags: [Reviewed]

> Two contrib tools to facilitate searching for block history information 
> ------------------------------------------------------------------------
>
>                 Key: HDFS-567
>                 URL: https://issues.apache.org/jira/browse/HDFS-567
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: tools
>    Affects Versions: 0.21.0
>            Reporter: Bill Zeller
>            Assignee: Jitendra Nath Pandey
>             Fix For: 0.21.0
>
>         Attachments: hdfs-567-1.patch, hdfs-567-2.patch, hdfs-567-3.patch, hdfs-567-4.patch,
hdfs-567-5.patch, hdfs-567-6.patch
>
>   Original Estimate: 5h
>  Remaining Estimate: 5h
>
> Includes a java program to query the namenode for corrupt replica information at some
interval. If a corrupt replica is found, a map reduce job is launched that will search (supplied)
log files for one or more block ids. The mapred job can be used independently of the java
client program and can also be used for arbitrary text searches. 

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