| From: | Vadim Mikheev <vadim4o(at)email(dot)com> |
|---|---|
| To: | Hannu Krosing <hannu(at)tm(dot)ee>, Lincoln Yeoh <lyeoh(at)pop(dot)jaring(dot)my> |
| Cc: | Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Schmidt, Peter" <peter(dot)schmidt(at)prismedia(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: RE: Re: [ADMIN] v7.1b4 bad performance |
| Date: | 2001-02-22 14:40:09 |
| Message-ID: | 382990281.982852809809.JavaMail.root@web586-ec.mail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
> It may be that WAL has changed the rollback
> time-characteristics to worse than pre-wal ?
Nothing changed ... yet. And in future rollbacks
of read-only transactions will be as fast as now,
anyway.
> > So my guess is that the 7.1 updates (with default
> > fsync) are significantly slower than 7.0.3 fsync=off
> > now.
Do you update tables with foreign keys?
Did you run tests in multi-user or single-user
environment?
Vadim
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