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https://issues.apache.org/jira/browse/HDFS-14831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16926223#comment-16926223
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Fei Hui edited comment on HDFS-14831 at 9/10/19 1:08 AM:
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[~jojochuang] Get it
Users can upgrade to 3.2.0 from 2.7.0~2.7.7 and downgrade to 2.7.8 from 3.2.0.
We can work around the compatible stringtable problem, is it right?
was (Author: ferhui):
[~jojochuang] Get it
Users can upgrade to 3.2.0 from 2.7.0~2.7.7 and downgrade to 2.7.8 from 3.2.0.
We can work around in compatible stringtable problem, is it right?
> Downgrade Failed from 3.2.0 to 2.7 because of incompatible stringtable
> -----------------------------------------------------------------------
>
> Key: HDFS-14831
> URL: https://issues.apache.org/jira/browse/HDFS-14831
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 3.2.0, 3.3.0, 3.1.3
> Reporter: Fei Hui
> Assignee: Fei Hui
> Priority: Major
>
> Mentioned on HDFS-13596
> Incompatible StringTable changes cause downgrade from 3.2.0 to 2.7.2 failed
> commit message as follow, but issue not found
> {quote}
> commit 8a41edb089fbdedc5e7d9a2aeec63d126afea49f
> Author: Vinayakumar B <[email protected]>
> Date: Mon Oct 15 15:48:26 2018 +0530
> Fix potential FSImage corruption. Contributed by Daryn Sharp.
> {quote}
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