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https://issues.apache.org/jira/browse/FLINK-10712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16704290#comment-16704290
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ASF GitHub Bot commented on FLINK-10712:
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Myasuka commented on issue #7009: [FLINK-10712] Support to restore state when
using RestartPipelinedRegionStrategy
URL: https://github.com/apache/flink/pull/7009#issuecomment-443096765
@StefanRRichter Thanks for your comments, I would refactor this PR.
BTW, I found region failover without letting checkpoint coordinator restart
its `checkpointScheduler` would not guarantee `EXACTLY_ONCE` mechanism. I'll
include this part of modification in next commits.
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> RestartPipelinedRegionStrategy does not restore state
> -----------------------------------------------------
>
> Key: FLINK-10712
> URL: https://issues.apache.org/jira/browse/FLINK-10712
> Project: Flink
> Issue Type: Bug
> Components: Distributed Coordination
> Affects Versions: 1.3.3, 1.4.2, 1.5.5, 1.6.2, 1.7.0
> Reporter: Stefan Richter
> Assignee: Yun Tang
> Priority: Critical
> Labels: pull-request-available
> Fix For: 1.8.0
>
>
> RestartPipelinedRegionStrategy does not perform any state restore. This is
> big problem because all restored regions will be restarted with empty state.
> We need to take checkpoints into account when restoring.
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