Re: Super Optimizing Postgres
От | Alex Pilosov |
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Тема | Re: Super Optimizing Postgres |
Дата | |
Msg-id | Pine.BSO.4.10.10111161125050.31668-100000@spider.pilosoft.com обсуждение исходный текст |
Ответ на | Super Optimizing Postgres (mlw <markw@mohawksoft.com>) |
Ответы |
Re: Super Optimizing Postgres
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Список | pgsql-hackers |
Sure, that'd be useful. Especially since we all can discuss what things work, what doesn't work. On Fri, 16 Nov 2001, mlw wrote: > It is sort of discouraging that Postgres' default configuration is so > conservative. A tweek here and there can make a big difference. It seems to me > that the default postgresql.conf should not be used for a dedicated server. In > fact, it can't because TCP/IP is disabled. > > In my projects I have done the default stuff, increase buffers, sort > memory, and so on, however, some of the tunable parameters seem a bit > arcane and are not completely clear what they do or the effect they > may have. (some have no noticable effect, eventhough it looks as if > they should.) I think most users, particularly those new to SQL > databases in general, would find it difficult to tune Postgres. > > Does anyone think it is a good idea, to make a postgresql.conf > cookbook sort of thing? Gather a number of tuned config files, > annotated as to why the settings are set the way they are, and the > machine on which they run. > > Particularly, I'd like to see if someone has been able to really > understand and manipulate the planner COST options successfully. > > Alternatively, it should be possible to write a program that analyzes > a target system, asks questions like: "Is this a dedicated server?" > "How much ram do you have?" "On which volume will the database be > installed?" Then perform some tests that mimic the cost values, and > create a new postgresql.conf with the options tuned. > > ---------------------------(end of broadcast)--------------------------- > TIP 1: subscribe and unsubscribe commands go to majordomo@postgresql.org > >
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