Re: Caching of Queries
От | Josh Berkus |
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Тема | Re: Caching of Queries |
Дата | |
Msg-id | 200410021304.21281.josh@agliodbs.com обсуждение исходный текст |
Ответ на | Re: Caching of Queries ("Aaron Werman" <awerman2@hotmail.com>) |
Ответы |
Re: Caching of Queries
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Список | pgsql-performance |
Aaron, > I'm not sure I understand your req fully. I'm not surprised. I got wrapped up in an overly involved example and completely left off the points I was illustrating. So here's the points, in brief: 1) Query caching is not a single problem, but rather several different problems requiring several different solutions. 2) Of these several different solutions, any particular query result caching implementation (but particularly MySQL's) is rather limited in its applicability, partly due to the tradeoffs required. Per your explanation, Oracle has improved this by offering a number of configurable options. 3) Certain other caching problems would be solved in part by the ability to construct "in-memory" tables which would be non-durable and protected from cache-flushing. This is what I'm interested in chatting about. BTW, I AM using a summary table. -- --Josh Josh Berkus Aglio Database Solutions San Francisco
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