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https://issues.apache.org/jira/browse/HDFS-1822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13019479#comment-13019479
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Konstantin Shvachko commented on HDFS-1822:
-------------------------------------------
Sorry got the layout versions wrong in the previous post. Here is the correct
table:
{code}
h-0.20.s LV -19 -> -29
h-0.21 LV -24 -> -30
h-0.22 LV -27 -> -31
h-0.23 LV -28 -> -32
{code}
> Editlog opcodes overlap between 20 security and later releases
> --------------------------------------------------------------
>
> Key: HDFS-1822
> URL: https://issues.apache.org/jira/browse/HDFS-1822
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 0.21.0, 0.22.0, 0.23.0
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Priority: Blocker
> Fix For: 0.22.0, 0.23.0
>
> Attachments: HDFS-1822.patch
>
>
> Same opcode are used for different operations between 0.20.security, 0.22 and
> 0.23. This results in failure to load editlogs on later release, especially
> during upgrades.
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