Postgres Pro
Downloads
Home   >   mailing lists

Re: postgres: writer process,what does this process actually do? - Mailing list pgsql-general

From Thomas
Subject Re: postgres: writer process,what does this process actually do?
Date
Msg-id ff656d8a-0a68-4e6a-9344-3af279b215b3@g1g2000pra.googlegroups.com
Whole thread Raw
In response to postgres: writer process,what does this process actually do?  (Thomas <freebsdjlu@gmail.com>)
Responses Re: postgres: writer process,what does this process actually do?  (Richard Broersma <richard.broersma@gmail.com>)
Re: postgres: writer process,what does this process actually do?  (Raymond O'Donnell <rod@iol.ie>)
List pgsql-general
Tree view 
On 12月22日, 下午11时26分, gryz...@gmail.com (Grzegorz Jaśkiewicz) wrote:
> On Tue, Dec 22, 2009 at 10:19 AM, Thomas <freebsd...@gmail.com> wrote:
> > Does it write data to data files to make buffer "clean"?if it
> > does ,but I can not find open files from the result of lsof -p
> >  PID.
>
> writer actually takes care about writing pages down, from shared
> memory. It is the central point that accesses disk on behalf of all
> backends (which are spawned every time you create new connection).
>
> --
> GJ
>
> --
> Sent via pgsql-general mailing list (pgsql-gene...@postgresql.org)
> To make changes to your subscription:http://www.postgresql.org/mailpref/pgsql-general

hi GJ
Tks a lot .
And could you give me some info about postgres internals? Such as
ebooks or online articles.

pgsql-general by date:

Previous
From: David Kerr
Date:
Subject: Re: using psql after you change the default port
Next
From: Richard Broersma
Date:
Subject: Re: postgres: writer process,what does this process actually do?