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https://issues.apache.org/jira/browse/IGNITE-8544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16482943#comment-16482943
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Alexey Goncharuk commented on IGNITE-8544:
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Looks good, merged to master.
> WAL disabling during rebalance mechanism uses wrong topology version in case
> of exchanges merge
> -----------------------------------------------------------------------------------------------
>
> Key: IGNITE-8544
> URL: https://issues.apache.org/jira/browse/IGNITE-8544
> Project: Ignite
> Issue Type: Bug
> Components: cache
> Affects Versions: 2.5
> Reporter: Pavel Kovalenko
> Assignee: Pavel Kovalenko
> Priority: Critical
> Fix For: 2.6
>
>
> After exchange is done, we're using initial exchange version to determine
> topology version on what rebalance should be finished and save it. After
> rebalance finishing we check current topology version and saved version and
> if they are equal, we enable WAL, own partitions and do checkpoint. In other
> case we do nothing, because of topology change.
> In case of exchanges merge we're saving old topology version (before merge)
> and it leads to ignoring logic of enabling WAL and etc, because check on
> topology version will be always false-negative.
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