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

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