On Tue, 2012-07-24 at 08:30 +0800, Craig Ringer wrote: > On 07/23/2012 10:46 PM, Jim Vanns wrote: > > Nothing obvious - and we log a fair amount. No tmp table creations, > > no locks held. > > > > To add to this EXPLAIN reports it took only 0.23ms to run (for example) > > whereas the wall clock time is more like 20-30 minutes (or up to n hours > > as I said where everything appears to click back into place at the same > > time). > How many concurrent connections do you have? Between 4 and 64 at peak! max_connections is only set to 100. Jim > -- > Craig Ringer -- Jim Vanns Systems Programmer Framestore -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
