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Posted to hdfs-dev@hadoop.apache.org by "Tsz Wo (Nicholas), SZE (JIRA)" <ji...@apache.org> on 2012/06/09 03:14:23 UTC
[jira] [Created] (HDFS-3521) Allow namenode to toleration edit log
corruption
Tsz Wo (Nicholas), SZE created HDFS-3521:
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Summary: Allow namenode to toleration edit log corruption
Key: HDFS-3521
URL: https://issues.apache.org/jira/browse/HDFS-3521
Project: Hadoop HDFS
Issue Type: Improvement
Components: name-node
Reporter: Tsz Wo (Nicholas), SZE
Assignee: Tsz Wo (Nicholas), SZE
HDFS-3479 adds checking for edit log corruption. It uses a fixed UNCHECKED_REGION_LENGTH (=PREALLOCATION_LENGTH) so that the bytes at the end within the length is not checked. Instead of not checking the bytes, we should check everything and allow toleration.
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[jira] [Resolved] (HDFS-3521) Allow namenode to tolerate edit log
corruption
Posted by "Tsz Wo (Nicholas), SZE (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HDFS-3521?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tsz Wo (Nicholas), SZE resolved HDFS-3521.
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Resolution: Fixed
Hadoop Flags: Reviewed
> Allow namenode to tolerate edit log corruption
> ----------------------------------------------
>
> Key: HDFS-3521
> URL: https://issues.apache.org/jira/browse/HDFS-3521
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: name-node
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Fix For: 1.2.0
>
> Attachments: h3521_20120610_b-1.patch, h3521_20120611_b-1.patch
>
>
> HDFS-3479 adds checking for edit log corruption. It uses a fixed UNCHECKED_REGION_LENGTH (=PREALLOCATION_LENGTH) so that the bytes at the end within the length is not checked. Instead of not checking the bytes, we should check everything and allow toleration.
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