Re: Big 7.1 open items

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: Jan Wieck <JanWieck(at)Yahoo(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp>, 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: 2000-06-18 14:35:54
Message-ID: 200006181435.KAA05443@candle.pha.pa.us
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> > I haven't figured out extent locations yet. One idea is to allow
> > administrators to create symlinks for tables >1 gig, and to not remove
> > the symlinks when a table shrinks. Only remove the file pointed to by
> > the table, but leave the symlink there so if the table grows again, it
> > can use the symlink. lstat() would allow this.
>
> OK, I have an extent idea. It is:
>
> CREATE LOCATION tabloc IN '/var/private/pgsql' EXTENT2
> '/usr/pg'.

Even better:

CREATE LOCATION tabloc IN '/var/private/pgsql'
EXTENT '/usr/pg', '/usr1/pg'

This will create extent/2 and extent/3, and the system can rotate
extents between the primary storage area, and 2 and 3.

Also, CREATE INDEX will need a location specification added.

--
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

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