On Friday 08 July 2011 10:31:33 French, Martin wrote: > If the query planner thinks it has the default amount of memory (128MB) > and the stats are out of date, then it will by no means be able to plan > proper execution. > > I would recommend setting the effective_cache_size to an appropriate > value, running "analyze" on both tables with an appropriate stats > target, and then explaining the query again to see if it's more > accurate. Yes, I'll schedule those two to run during the night and repost an explain, for information. However, we worked around the initial problem by running the delete in smaller batches. Thanks. -- Vincent de Phily -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
