Re: Buglist

From: "Shridhar Daithankar" <shridhar_daithankar(at)persistent(dot)co(dot)in>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Buglist
Date: 2003-08-22 06:45:33
Message-ID: 3F460965.10857.4CC821B@localhost
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general pgsql-hackers

On 21 Aug 2003 at 18:46, Jan Wieck wrote:

> Manfred Koizar wrote:
> > On Thu, 21 Aug 2003 21:10:34 +0530, "Shridhar Daithankar"
> > <shridhar_daithankar(at)persistent(dot)co(dot)in> wrote:
> >>Point I am trying to make is to tune FSM and autovacuum frequency
> >>such that you catch all the dead tuples in RAM
> >
> > You might be able to catch the pages with dead tuples in RAM, but
> > currently there's no way to keep VACUUM from reading in all the clean
> > pages, which can be far more ...
>
> Which leads us to a zero gravity vacuum, that does the lazy vacuum for
> pages currently available in the buffer cache only. And another pg_stat
> column telling the number of tuples vacuumed so that an autovac has a
> chance to avoid IO consuming vacuum runs for relations where 99% of the
> dead tuples have been caught in memory.

Since autovacuum issues vacuum analyze only, is it acceptable to say that this
is taken care of already?

Bye
Shridhar

--
"One size fits all": Doesn't fit anyone.

In response to

Responses

  • Re: Buglist at 2003-08-22 10:53:29 from Manfred Koizar

Browse pgsql-general by date

  From Date Subject
Next Message Shridhar Daithankar 2003-08-22 06:47:41 Re: Buglist
Previous Message Christopher Kings-Lynne 2003-08-22 06:40:32 Re: [GENERAL] Need concrete "Why Postgres not MySQL"

Browse pgsql-hackers by date

  From Date Subject
Next Message Shridhar Daithankar 2003-08-22 06:47:41 Re: Buglist
Previous Message Christopher Kings-Lynne 2003-08-22 06:40:32 Re: [GENERAL] Need concrete "Why Postgres not MySQL"