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Re: OK, OK, Hiroshi's right: use a seperately-generated filename

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Chris Bitmead <chrisb(at)nimrod(dot)itg(dot)telstra(dot)com(dot)au>
Cc: Chris Bitmead <chris(at)bitmead(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: OK, OK, Hiroshi's right: use a seperately-generated filename
Date: 2000-06-19 01:03:08
Message-ID: 200006190103.VAA21088@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
> > Yes, we can hard-link, and let vacuum remove the old link.
> 
> BTW, how does vacuum know which files are obsolete. Does it just delete
> files it doesn't know about?
> 
> What a good application for time travel!
> 

I assume it removes files with oid's that match pg_class but who's file
names do not match.

-- 
  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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