| From: | Jussi Mikkola <jussi(dot)mikkola(at)bonware(dot)com> |
|---|---|
| To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
| Cc: | Zeugswetter Andreas SB SD <ZeugswetterA(at)spardat(dot)at>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Hannu Krosing <hannu(at)tm(dot)ee>, Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp>, pgsql-hackers(at)postgresql(dot)org, inxc(at)itmeedia(dot)ee |
| Subject: | Re: 7.2 is slow? |
| Date: | 2001-12-19 12:54:48 |
| Message-ID: | 3C208E18.587F5EBD@bonware.com |
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| Lists: | pgsql-hackers |
Hi !
Yes, now I've tested with 7.2b4. The result is about the same as with 7.1.
About 200 messages with four processors and about 600 messages with one
processor.
Jussi
>
>
> Yes! This sleeping case is the problem we expected to see on SMP
> machines in >= 7.1 because of lock contention and a select() that can't
> sleep for less than 1/100 second. Please try the current 7.2 snapshot
> and let us know what performance you get.
>
> --
> Bruce Momjian | http://candle.pha.pa.us
> pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
> + If your life is a hard drive, | 830 Blythe Avenue
> + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
>
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--
Jussi Mikkola Project Manager
Bonware Oy gsm +358 40 830 7561
Tekniikantie 12 tel +358 9 2517 5570
02150 Espoo fax +358 9 2517 5571
Finland www.bonware.com
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