On Thu, Jun 7, 2012 at 10:41 AM, Lonni J Friedman <netllama@xxxxxxxxx> wrote: > Greetings, > I have a 4 server postgresql-9.1.3 cluster (one master doing streaming > replication to 3 hot standby servers). All of them are running > Fedora-16-x86_64. > > http://wiki.postgresql.org/wiki/Lock_Monitoring err, i included that URL but neglected to explain why. On a different list someone suggested that I verify that there were no locks that were blocking things, and I did so, and found no locks. So I'm still at a loss why pg_basebackup is killing perf, and would appreciate pointers on how to debug it or at least reduce its impact on performance if that is possible. tahnks -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin