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https://issues.apache.org/jira/browse/HADOOP-2114?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Raghu Angadi updated HADOOP-2114:
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Component/s: dfs
Affects Version/s: 0.14.3
> Checksums for Namenode image files
> ----------------------------------
>
> Key: HADOOP-2114
> URL: https://issues.apache.org/jira/browse/HADOOP-2114
> Project: Hadoop
> Issue Type: Improvement
> Components: dfs
> Affects Versions: 0.14.3
> 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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