Skip site navigation (1) Skip section navigation (2)

Re: [PERFORM] PostgreSQL overall design

From: Gnanavel S <s(dot)gnanavel(at)gmail(dot)com>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: pgsql-performance(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org
Subject: Re: [PERFORM] PostgreSQL overall design
Date: 2005-09-27 14:20:35
Message-ID: eec3b03c05092707206dee56f6@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-performance
On 9/27/05, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> wrote:
>
>
> Have you read the developers FAQ?


Thanks Bruce. I'm going through that.

---------------------------------------------------------------------------
>
> Gnanavel S wrote:
> > Hi All,
> >
> > Can anyone please tell/point me where I can get the postgresql system
> layout
> > (I've an interest to contribute). I would also like to know the files
> > involved for performing each task ( for eg when doing a select operation
> > what is exactly happening in postgres along with the files).
> >
> > I was wandering inside the source for a while and I couldn't get a start
> > point to go with.
> >
> > Need a clarification in copydir.c file of src/port directory, In the
> > following snippet the destination directory is created first then the
> source
> > directory is read. Suppose if I don't have permission to read the
> source,
> > even then the destination directory would be created.
> > I just want to know whether there is any reason for doing so?
> >
> > if (mkdir(todir, S_IRUSR | S_IWUSR | S_IXUSR) != 0)
> > ereport(ERROR,
> > (errcode_for_file_access(),
> > errmsg("could not create directory \"%s\": %m", todir)));
> >
> > xldir = AllocateDir(fromdir);
> > if (xldir == NULL)
> > ereport(ERROR,
> > (errcode_for_file_access(),
> > errmsg("could not open directory \"%s\": %m", fromdir)));
> >
> >
> >
> > --
> > with thanks & regards,
> > S.Gnanavel
> > Satyam Computer Services Ltd.
>
> --
> Bruce Momjian | http://candle.pha.pa.us
> pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
> + If your life is a hard drive, | 13 Roberts Road
> + Christ can be your backup. | Newtown Square, Pennsylvania 19073
>



--
with regards,
S.Gnanavel

In response to

pgsql-performance by date

Next:From: Richard HuxtonDate: 2005-09-27 14:34:02
Subject: Re: Index not used on group by
Previous:From: Bruce MomjianDate: 2005-09-27 14:12:08
Subject: Re: [PERFORM] PostgreSQL overall design

pgsql-hackers by date

Next:From: Tom LaneDate: 2005-09-27 14:27:58
Subject: Re: Making pgxs builds work with a relocated installation
Previous:From: Dmitry KarasikDate: 2005-09-27 14:16:28
Subject: Re: prepared queries in plperl

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group