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Posted to dev@ignite.apache.org by "Alexei Scherbakov (JIRA)" <ji...@apache.org> on 2018/08/31 12:26:00 UTC
[jira] [Created] (IGNITE-9445) Use valid tag for page write unlock
while reading cold page from disk.
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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