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https://issues.apache.org/jira/browse/HBASE-22128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16807445#comment-16807445
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Allan Yang commented on HBASE-22128:
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The patch overall looks good. This is a case happened in our production env,
moving a meta region or namespace region during master restart may stuck in
RIT. And my colleague [~luffy123] has fixed it. +1 to push into branch-2.0 and
branch-2.1. Ping [~Apache9] and [~stack] if you are interested.
> Move namespace region then master crashed make deadlock
> -------------------------------------------------------
>
> Key: HBASE-22128
> URL: https://issues.apache.org/jira/browse/HBASE-22128
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.1.5
> Reporter: Bing Xiao
> Assignee: Bing Xiao
> Priority: Critical
> Fix For: 2.1.5
>
> Attachments: HBASE-22128-branch-2.1-v1.patch,
> HBASE-22128-branch-2.1-v2.patch, HBASE-22128-branch-2.1-v3.patch,
> HBASE-22128-branch-2.1-v4.patch
>
>
> When move namespace region start unassign produre, after unassign procedure
> finished namespace region will be offline. At the same time master crashed
> then reboot will stuck, because master init is block by waiting namespace
> table online ,at same time master init not finish so move region procedure
> can not go on, make deadlock.
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