From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp>, Jan Wieck <JanWieck(at)Yahoo(dot)com>, Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, "Ross J(dot) Reedstrom" <reedstrm(at)rice(dot)edu> |
Subject: | Re: Big 7.1 open items |
Date: | 2000-06-17 00:08:21 |
Message-ID: | 200006170008.UAA06798@candle.pha.pa.us |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-hackers pgsql-patches |
> "Hiroshi Inoue" <Inoue(at)tpf(dot)co(dot)jp> writes:
> > It seems that we should also provide not_preallocated DATAFILE
> > when many_tables_in_a_file storage manager is introduced.
>
> Several people in this thread have been talking like a
> single-physical-file storage manager is in our future, but I can't
> recall anyone saying that they were going to do such a thing or even
> presenting reasons why it'd be a good idea.
>
> Seems to me that physical file per relation is considerably better for
> our purposes. It's easier to figure out what's going on for admin and
> debug work, it means less lock contention among different backends
> appending concurrently to different relations, and it gives the OS a
> better shot at doing effective read-ahead on sequential scans.
>
> So why all the enthusiasm for multi-tables-per-file?
No idea. I thought Vadim mentioned it, but I am not sure anymore. I
certainly like our current system.
--
Bruce Momjian | http://www.op.net/~candle
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
From | Date | Subject | |
---|---|---|---|
Next Message | Chris Bitmead | 2000-06-17 00:39:16 | Re: Big 7.1 open items |
Previous Message | Bruce Momjian | 2000-06-17 00:06:49 | Re: Bug with views and defaults |
From | Date | Subject | |
---|---|---|---|
Next Message | Chris Bitmead | 2000-06-17 00:39:16 | Re: Big 7.1 open items |
Previous Message | Tom Lane | 2000-06-16 23:30:25 | Re: Big 7.1 open items |