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Re: [Bizgres-general] WAL bypass for INSERT, UPDATE and

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: [Bizgres-general] WAL bypass for INSERT, UPDATE and
Date: 2005-12-23 00:29:29
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
"Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu> writes:
> BEGIN TRANSACTION WITHOUT XLOG;    /* forbidden vacuum, PITR etc */

> So during this peroid, if any transaction failed, the only consequence is 
> add invisible garbage data.

No, the likely consequence is irretrievable corruption of any table or
index page touched by the transaction.  You're going to have a very hard
time selling this as a good idea.

			regards, tom lane

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