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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-276) Checksums for Namenode image files
Date Thu, 11 Aug 2011 16:49:27 GMT

     [ https://issues.apache.org/jira/browse/HDFS-276?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Eli Collins resolved HDFS-276.

    Resolution: Duplicate

dupe of HDFS-903

> Checksums for Namenode image files
> ----------------------------------
>                 Key: HDFS-276
>                 URL: https://issues.apache.org/jira/browse/HDFS-276
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Raghu Angadi
> Currently DFS can write multiple copies of image files but we do not automatically recover
from corrupted or truncated image files well. This jira intends to keep CRC for image file
records and Namenode should recover accurate image as long as data exists in one of the copies
(e.g. it should be ok to have non overlapping corruptions in the copies). Will add more details
in next comment.

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