Horton

Re: Initial 9.2 pgbench write results

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Simon Riggs <simon@2ndquadrant.com>
Cc: Greg Smith <greg@2ndquadrant.com>, pgsql-hackers@postgresql.org
Date: 2012-02-27T13:08:04Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Fix I/O-conversion-related memory leaks in plpgsql.

On Mon, Feb 27, 2012 at 3:50 AM, Simon Riggs <simon@2ndquadrant.com> wrote:
> That isn't the case. We have evidence that the current knobs are
> hugely ineffective in some cases.
>
> Turning the bgwriter off is hardly "adjusting a setting", its
> admitting that there is no useful setting.
>
> I've suggested changes that aren't possible by tuning the current knobs.

OK, fair point.  But I don't think any of us - Greg included - have an
enormously clear idea why turning the background writer off is
improving performance in some cases.  I think we need to understand
that better before we start changing things.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
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