Re: Sun vs. Mac
От | CaptainX0r |
---|---|
Тема | Re: Sun vs. Mac |
Дата | |
Msg-id | 20030114165433.63951.qmail@web21110.mail.yahoo.com обсуждение исходный текст |
Ответ на | Re: Sun vs. Mac (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-performance |
All, > Let me get this straight: the Sun is slower even with fsync > off? That Correct. This really helped a lot, especially with the dump load, but I've clearly got some more work ahead of me. > Andrew Sullivan's nearby recommendation to replace qsort() is > a good > one, but PG 7.3 is already configured to do that by default. > (Look in > src/Makefile.global to confirm that qsort.o is mentioned in > LIBOBJS.) Thanks for confirming. I've got LIBOBJS = isinf.o qsort.o > I'd suggest starting with some elementary measurements, for > example looking at I/O rates and CPU idle percentage while > running the same task on both Solaris and G3. That would at > least give us a clue whether I/O or CPU is the bottleneck. Good thoughts - I'm working on it right now, though I'm not really sure how to check I/O rates.... Thanks much for the input, -X __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com
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