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https://issues.apache.org/jira/browse/FLINK-9480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16494908#comment-16494908
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Sihua Zhou commented on FLINK-9480:
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[~srichter] Thanks for your reply, the reason and the use case I want to
improve this is because of the the online rescaling feature of 1.5. Currently,
it works as follow:
- trigger a savepoint
- rescaling from the savepoint.
In order to let the online rescaling take advantage of local recovery, we need
the local recovery to support rescaling, maybe it's not so strict that all node
can only restore locally, but just a best effect, if some node can't find the
local state it still can load data from remote.
Yes, I agree that this feature's priority is lower than "timer service" and
"ttl state" and I just create it in case that we may want to do it in the
future...
> Let local recovery support rescaling
> ------------------------------------
>
> Key: FLINK-9480
> URL: https://issues.apache.org/jira/browse/FLINK-9480
> Project: Flink
> Issue Type: Improvement
> Components: State Backends, Checkpointing
> Affects Versions: 1.5.0
> Reporter: Sihua Zhou
> Priority: Major
>
> Currently, local recovery only support restore from checkpoint and without
> rescaling. Maybe we should enable it to support rescaling.
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