Re: Dual-CPU slower then Single under HP? - Mailing list pgsql-hackers

From The Hermit Hacker
Subject Re: Dual-CPU slower then Single under HP?
Date
Msg-id Pine.BSF.4.33.0106061546030.38494-100000@mobile.hub.org
Whole thread Raw
In response to Re: Dual-CPU slower then Single under HP?  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: Dual-CPU slower then Single under HP?  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
On Wed, 6 Jun 2001, Tom Lane wrote:

> The Hermit Hacker <scrappy@hub.org> writes:
> >     The 4m:30s is running one process for 100K inserts ... with two
> > CPUs/processes, it increases the time to process by almost 40% ... ?
>
> Do you mean two processes inserting into the same table?

Yup ...

> I committed some changes recently that reduce the amount of contention
> involved in that scenario, but it's not released yet.

So, this is one of those "known problem, improved in v7.2" sort of issues?




pgsql-hackers by date:

Previous
From: Tom Lane
Date:
Subject: Re: elog(NOIND)?
Next
From: The Hermit Hacker
Date:
Subject: Re: Max inserts / sec ... on any platform?