| From: | Sam Mason <sam(at)samason(dot)me(dot)uk> |
|---|---|
| To: | Postgresql Performance <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: Planner doesn't look at LIMIT? |
| Date: | 2005-07-22 14:51:22 |
| Message-ID: | 20050722145122.GL62747@colo.samason.me.uk |
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| Lists: | pgsql-hackers pgsql-performance |
Dawid Kuroczko wrote:
>work_mem = 102400
>...I tried tweaking cpu_*, work_mem, effective_cache and so on, but without
>any luck.
I'm hoping you didn't tweak it enough! I posted something similar
this a while ago, but haven't since got around to figuring out
a useful test case to send to the list.
Try reducing your work_mem down to 1000 or so and things should
start doing what you expect.
Sam
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