[teiid-issues] [JBoss JIRA] Updated: (TEIID-226) Cacheing translated commands would improve connector performance
Steven Hawkins (JIRA)
jira-events at lists.jboss.org
Wed Feb 11 11:42:48 EST 2009
[ https://jira.jboss.org/jira/browse/TEIID-226?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steven Hawkins updated TEIID-226:
---------------------------------
Component/s: Connector API
Query Engine
Fix Version/s: 6.1.0
Affects Version/s: 6.0.0
Affects: [Documentation (Ref Guide, User Guide, etc.), Release Notes]
Complexity: High
It would probably be best for TEIID-303 to be worked, with the addition of prepared commands (references in the data language) so that the command itself could be used as a cache key.
> Cacheing translated commands would improve connector performance
> ----------------------------------------------------------------
>
> Key: TEIID-226
> URL: https://jira.jboss.org/jira/browse/TEIID-226
> Project: Teiid
> Issue Type: Feature Request
> Components: Connector API, Query Engine
> Affects Versions: 6.0.0
> Reporter: Steven Hawkins
> Fix For: 6.1.0
>
>
> Defect Tracker #16722: AD 2/17/05 - Command translation in connector - approx. half the time taken to create an Execution object is spent in command translation. If there was a way to cache the translated command, then we could eliminate that step for subsequent requests.
> Alex 2/17/05 - The problem is that the connector can be used with different vdbs, so the translation may be different even for the same query. Still seems do-able [...].
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