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https://issues.apache.org/jira/browse/HADOOP-2797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Raghu Angadi updated HADOOP-2797:
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Status: Open (was: Patch Available)
> Withdraw CRC upgrade from HDFS
> ------------------------------
>
> Key: HADOOP-2797
> URL: https://issues.apache.org/jira/browse/HADOOP-2797
> Project: Hadoop Core
> Issue Type: New Feature
> Components: dfs
> Affects Versions: 0.13.0
> Reporter: Robert Chansler
> Assignee: Raghu Angadi
> Priority: Critical
> Attachments: HADOOP-2797.patch, HADOOP-2797.patch, HADOOP-2797.patch
>
>
> HDFS will no longer support upgrades from versions without CRCs for block
> data. Users upgrading from version 0.13 or earlier must first upgrade to an
> intermediate (0.14, 0.15, 0.16, 0.17) version before upgrade to 0.18 or later.
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