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https://issues.apache.org/jira/browse/HADOOP-4734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12653051#action_12653051
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Hairong Kuang commented on HADOOP-4734:
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+1. This looks good.
One suggestion is that DataNode should not only validate the meta information
but also the integrity of block content before participating in a recovery
process.
> Some lease recovery codes in 0.19 or trunk should also be committed in 0.18.
> ----------------------------------------------------------------------------
>
> Key: HADOOP-4734
> URL: https://issues.apache.org/jira/browse/HADOOP-4734
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.18.2
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Priority: Blocker
> Fix For: 0.18.3
>
> Attachments: 4734_20081126.patch, 4734_20081202.patch
>
>
> In HADOOP-1700, there are codes for detecting corrupted blocks.
> In HADOOP-4257, there are bug fixes for lease recovery.
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