From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | scrappy(at)hub(dot)org (The Hermit Hacker) |
Cc: | dave(at)turbocat(dot)de, ports(at)postgreSQL(dot)org, hackers(at)postgreSQL(dot)org |
Subject: | Re: [HACKERS] Re: [PORTS] vacuum takes too long |
Date: | 1999-01-07 02:36:31 |
Message-ID: | 199901070236.VAA26204@candle.pha.pa.us |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-hackers pgsql-ports |
> Start at the top of the table, go to the first 'blank' section (a deleted
> record)...find the next good record that will fit in the space, move it
> there...clear out the old space, etc...
>
> if dba issues a 'vacuum', lock the table and do all records at once, but
> otherwise try and vacuum the table live...
>
> With the new MVCC serialization, this concept should be less intrusive on
> readers, no?
Wish I knew the answer. I can guess, but that isn't going to help.
--
Bruce Momjian | http://www.op.net/~candle
maillist(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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