"Cassiano, Marco" <mcassiano@xxxxxxxxxx> wrote: > There was an autovaccum running on a big table saying it was "to > avoid xid wraparound" > My configuration is : > > Postgresql 9.1.2 compiled and running on Redhat 5 64 bit > DB Size : about 100 GB > > RAM 5 GB > Shared Buffers 1 GB > temp_buffers = 8MB > work_mem = 12MB > maintenance_work_mem = 300MB Are those the only settings changed from their defaults? If not, or you're not sure, please post the output from running the query on this page: http://wiki.postgresql.org/wiki/Server_Configuration -Kevin -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin