| From: | Neil Conway <neilc(at)samurai(dot)com> |
|---|---|
| To: | Benjamin Arai <barai(at)cs(dot)ucr(dot)edu> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Status of PostgreSQL for 4+ processors |
| Date: | 2005-01-26 06:47:06 |
| Message-ID: | 41F73CEA.6090109@samurai.com |
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| Lists: | pgsql-hackers |
Benjamin Arai wrote:
> I have been trying to find information on PostgreSQL for running it on
> greater then 4 processors. Are there any benchmarks out there and have
> there been any problems or does anybody forsee any issues running
> PostgreSQL with more then 4 processors?
There shouldn't be any issues with running on large SMP machines. There
has been some speculation that lock contention (specifically for the
BufMgrLock) might hurt performance somewhat on machines with > 4
processors, but I don't know to what degree. In any case, you should
certainly be able to *use* PG; how well it will perform on a many-way
SMP box relative to, say, Oracle, I'm not sure.
-Neil
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