Re: [HACKERS] Snapshot Reuse

2008-03-03 Thread Bruce Momjian
I certainly would be interested to see if it improves performance. --- Simon Riggs wrote: > In Read Committed transactions we take snapshots much more frequently > than transactions begin and commit. It would be help scalabi

[HACKERS] Snapshot Reuse

2008-02-27 Thread Simon Riggs
In Read Committed transactions we take snapshots much more frequently than transactions begin and commit. It would be help scalability if we didn't need to re-take a snapshot. That's only helpful if the chances of seeing the snapshot is relatively high. Now that we have virtual transactions we may