[jira] [Created] (IGNITE-9445) Use valid tag for page write unlock while reading cold page from disk.

[Anton Vinogradov (Jira)]

Alexei Scherbakov created IGNITE-9445:
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             Summary: 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


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 page using actual(persisted) tag value.



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