Re: lru cache replacement

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От Yutaka tanida
Тема Re: lru cache replacement
Дата
Msg-id 20030625004354.5117.YUTAKA@nonsensecorner.com
обсуждение исходный текст
Ответ на Re: lru cache replacement  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: lru cache replacement
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On Tue, 24 Jun 2003 10:27:09 -0400
Tom Lane <tgl@sss.pgh.pa.us> wrote:

> I tried to implement LRU-2 awhile ago, and got discouraged when I
> couldn't see any performance improvement.  But I was using pgbench as
> the test case, and failed to think about its lack of seqscans.

How about cache hit rate?

> BTW, when you were running your test case, what shared_buffers did you
> use?

I use 16,64,256 and 4096.


---
Yutaka tanida<yutaka@hi-net.zaq.ne.jp>



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