Re: XID wraparound and busy databases

From: Heikki Linnakangas <heikki(at)enterprisedb(dot)com>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org>
Subject: Re: XID wraparound and busy databases
Date: 2007-08-15 16:19:22
Message-ID: 46C3278A.1050809@enterprisedb.com
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Bruce Momjian wrote:
> Is enlarging the xid field something we should consider for 8.4? Is the
> autovacuum I/O less then the extra I/O needed for an expanded xid fields
> on every row?

I doubt that's going to happen...

Maybe we can do something to reduce the xid consumption? For example,
reuse xids for read-only queries.

--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com

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