Re: [HACKERS] Postgres Speed or lack thereof

From: Vadim Mikheev <vadim(at)krs(dot)ru>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: [HACKERS] Postgres Speed or lack thereof
Date: 1999-01-19 02:31:57
Message-ID: 36A3EE9D.78796774@krs.ru
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Tom Lane wrote:
>
> Vadim Mikheev <vadim(at)krs(dot)ru> writes:
> > For the table with single int4 column & 2000 INSERTs I have:
>
> > BEGIN/END: 3.5sec ~600insert/sec
> > Without: 151sec ~13insert/sec
>
> > (IDE disk!)
>
> > I guess that you don't use -F flag..?
>
> *Do* use -F, you meant of course. You're right, I do. With an

Actually no -:)

> fsync after every transaction, I'm sure my test would've been much
> slower.

Just use BEGIN/END to run all queries in single transaction -:)

> However, with a UPS and an OS that only crashes about once every
> other year, I feel pretty secure using -F ...

However, it's easy to crash Postgres itself and lose
committed transactions -:(

Vadim

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