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Re: [HACKERS] select * from ..;vacuum crashes

From: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
To: t-ishii(at)sra(dot)co(dot)jp
Cc: t-ishii(at)sra(dot)co(dot)jp, pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: [HACKERS] select * from ..;vacuum crashes
Date: 1998-10-06 05:34:37
Message-ID: 199810060534.BAA00330@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
> >You must enable Assert to see the crash.
> 
> I saw the crash without assertion enabled? This is FreeBSD 2.2.6.
> 
> >The cause may be because you are doing a vacuum INSIDE a transaction.  I
> >think that also explains the psql -e thing, because that does both
> >commands in the same transaction.
> >
> >Perhaps we need to disable vacuum inside transactions.  Vadim?
> 
> FYI, it is reported that 6.3.2 does not have the crash.

I think I will be able to fix this if no one gets to it first.  Looks
like a problem with the cache lookup and updating class statistics. 
Could take me a few days until I can get to it.  If someone else wants
to debug it, go ahead.

I am on jury duty.

-- 
  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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Subject: Re: [HACKERS] select * from ..;vacuum crashes
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