[teiid-issues] [JBoss JIRA] Resolved: (TEIID-1463) limit buffering for large results
Steven Hawkins (JIRA)
jira-events at lists.jboss.org
Thu Feb 24 00:00:20 EST 2011
[ https://issues.jboss.org/browse/TEIID-1463?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steven Hawkins resolved TEIID-1463.
-----------------------------------
Labels: performance (was: )
Resolution: Done
non-cached forward-only results will limit their buffers to 20 batches and block until the client pulls more results. If client processing of results lags for large results, there is a potential for resources to be held open - but disk resources will not be proactively consumed, which can be problematic in million row scenarios.
> limit buffering for large results
> ---------------------------------
>
> Key: TEIID-1463
> URL: https://issues.jboss.org/browse/TEIID-1463
> Project: Teiid
> Issue Type: Feature Request
> Components: Query Engine
> Affects Versions: 7.0
> Reporter: Steven Hawkins
> Assignee: Steven Hawkins
> Labels: performance
> Fix For: 7.4
>
>
> In a forward only scenario, if a client lags behind the server a buffer will still be built containing much of result. It would be good to limit the buffer size and prempt proactive processing when exceeded.
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