[teiid-issues] [JBoss JIRA] (TEIID-5390) Concurrent repeated add attempts create orphaned blocks

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-5390?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on TEIID-5390 started by Steven Hawkins.
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> Concurrent repeated add attempts create orphaned blocks
> -------------------------------------------------------
>
>                 Key: TEIID-5390
>                 URL: https://issues.jboss.org/browse/TEIID-5390
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>            Priority: Critical
>             Fix For: 11.0, 10.3.2, 10.2.3
>
>
> If both a user thread and the buffer cleaner are evicting the same batch/page at the same time - and multiple attempts are made by one of the threads it will result in duplicate inode / data block entries being created, which then cannot be cleaned.



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