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Re: [GENERAL] Parrallel query execution for UNION ALL Queries
- From: Dimitri Fontaine <dfontaine(at)hi-media(dot)com>
- To: pgsql-general(at)postgresql(dot)org
- Cc: "Jonah H. Harris" <jonah(dot)harris(at)gmail(dot)com>, me(at)benjaminarai(dot)com, pgsql-performance(at)postgresql(dot)org
- Subject: Re: [GENERAL] Parrallel query execution for UNION ALL Queries
- Date: Thu, 19 Jul 2007 12:14:29 +0200
Hi, Le mercredi 18 juillet 2007, Jonah H. Harris a écrit : > On 7/18/07, Benjamin Arai <me(at)benjaminarai(dot)com> wrote: > > But I want to parrallelize searches if possible to reduce > > the perofrmance loss of having multiple tables. > > PostgreSQL does not support parallel query. Parallel query on top of > PostgreSQL is provided by ExtenDB and PGPool-II. Seems to me that : - GreenPlum provides some commercial parallel query engine on top of PostgreSQL, - plproxy could be a solution to the given problem. https://developer.skype.com/SkypeGarage/DbProjects/PlProxy Hope this helps, -- dim
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