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Re: Why so slow?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: K C Lau <kclau60(at)netvigator(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Why so slow?
Date: 2006-04-29 02:39:28
Message-ID: 19397.1146278368@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-performance
K C Lau <kclau60(at)netvigator(dot)com> writes:
> Without knowing the internals, I have this simplistic idea: if Postgres 
> maintains the current lowest transaction ID for all active transactions, it 
> probably could recycle dead tuples on the fly.

[ yawn... ]  Yes, we've heard that before.  The hard part is getting rid
of index entries.

			regards, tom lane

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