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https://issues.apache.org/jira/browse/IGNITE-9445?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16609415#comment-16609415
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ASF GitHub Bot commented on IGNITE-9445:
----------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/ignite/pull/4708


> Use valid tag for page write unlock while reading cold page from disk.
> ----------------------------------------------------------------------
>
>                 Key: IGNITE-9445
>                 URL: https://issues.apache.org/jira/browse/IGNITE-9445
>             Project: Ignite
>          Issue Type: Bug
>            Reporter: Alexei Scherbakov
>            Assignee: Alexei Scherbakov
>            Priority: Major
>
> The problem arises when passing pageId with not actual page rotation tag to 
> org.apache.ignite.internal.processors.cache.persistence.pagemem.PageMemoryImpl#acquirePage(int,
>  long, boolean).
> It's not possible in advance to know the actual value without reading stored 
> page.
> Such scenario may lead to locked forever page if passed and persisted tags 
> are different.
> Solution - unlock the page using actual(persisted) tag value.



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