On Wed, Apr 27, 2011 at 06:26:52PM +0100, Simon Riggs wrote: > Reading the code, IIUC, we check for RW conflicts after each write but > only if the writer is running a serializable transaction. > > Am I correct in thinking that there is zero impact of SSI if nobody is > running a serializable transaction?
That is correct, now. (Well, other than having to check whether a serializable transaction is running, the cost of which is truly negligible.) Dan -- Dan R. K. Ports MIT CSAIL http://drkp.net/ -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers