Simon,
> Well thats pretty weird. That code path clearly only happens once per
> transaction and ought to be fast. The other code paths that take
> ProcArrayLock like TransactionIdIsInProgress() and GetSnapshotData()
> ought to spend more time holding the lock. Presumably you are running
> with a fair number of SERIALIZABLE transactions?
Given that this is TPCC-analog, I'd assume that we are.
Jignesh?
--
--Josh
Josh Berkus
PostgreSQL @ Sun
San Francisco