Joe Conway <mail@joeconway.com> writes: > On 10/03/2011 10:10 AM, Robert Burgholzer wrote: >> FWIW - I am currently trying this while tracing the process that I >> assume is the postmaster (/usr/bin/postgres -D /home/postgres/data), >> since this process number indicates that it was recently restarted - >> although the other PG processes, writer, wal writer, autovacuum, stats >> collector all have their older pids indicating that they still survive.
> Sounds like you are attaching to the wrong process. Try something like > the below...
No need to guess about it ... use "select pg_backend_pid();" and then attach to that process. (BTW, the "postmaster" is the parent process. The one you want to debug is a backend.)