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https://issues.apache.org/jira/browse/IGNITE-12128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16925701#comment-16925701
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Alexey Goncharuk commented on IGNITE-12128:
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[~akalashnikov] thanks, merged your changes to master!
> Potentially pds corruption on a failed node during checkpoint
> -------------------------------------------------------------
>
> Key: IGNITE-12128
> URL: https://issues.apache.org/jira/browse/IGNITE-12128
> Project: Ignite
> Issue Type: Bug
> Reporter: Dmitriy Govorukhin
> Assignee: Anton Kalashnikov
> Priority: Critical
> Fix For: 2.7.6
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> There are the case when we start a checkpoint but not create CP file marker,
> but PageMemory may start to flush dirty pages from checkpoint pages to page
> store. If node crashed at this moment, we can get inconsistency state,
> because we still not write checkpoint marker to disk but already write some
> pages for this checkpoint. If we try to recover from this state we cat get
> any sort of corruption problem. Recovery logic may not recognize that crash
> was during checkpoint because we did not write file marker when we start
> checkpoint but write some pages for this checkpoint.
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