[teiid-issues] [JBoss JIRA] (TEIID-2410) issues with output buffer blocking

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-2410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins resolved TEIID-2410.
-----------------------------------

    Resolution: Done


updated the logic to be safe for local/embedded connections (although there is room for improvement when not using the calling thread, but that is a corner case), prevented blocking on scrollable results, and prevented process work from performing large evictions.
                
> issues with output buffer blocking
> ----------------------------------
>
>                 Key: TEIID-2410
>                 URL: https://issues.jboss.org/browse/TEIID-2410
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>    Affects Versions: 7.7
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>             Fix For: 8.3
>
>
> when a local connection (regardless of using the calling thread) blocks on the output buffer (which cannot happen with forward only and using the calling thread, but due to another issue can occur with a scroll insensitive result) no corresponding process thread is awakened to process pending work.
> Output blocking should also be disabled for non-forward only results.  This was disabled at some point by a refactoring to reuse the output buffer from the plan.

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