On Wed, Jun 16, 2010 at 1:15 PM, Craig Ringer <craig@xxxxxxxxxxxxxxxxxxxxx> wrote: > On 16/06/10 16:56, Allan Kamau wrote: > >> The function I have mentioned above seems to "hang" indefinitely (now >> 12hours and counting) while it took only 2secs for the many times it >> was previously invoked from the client application (with slightly >> different parameter value at each such time). > > Is there anything in pg_catalog.pg_locks that relates to that query? > > If you attach a debugger to the stalled backend and get a backtrace, > what's the output? See: > > http://wiki.postgresql.org/wiki/Getting_a_stack_trace_of_a_running_PostgreSQL_backend_on_Linux/BSD > > If you strace the problem backend, does it appear to be doing anything? > > -- > Craig Ringer > > Tech-related writing: http://soapyfrogs.blogspot.com/ > Thank you Craig, this could be what I am looking for, I am following the HOWTO in the resource you've sent and will attempt to capture the trace when the next time the backend "sleeps". Allan. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
