ipcs in FreeBSD is a little ... tricky. ipcs -M ipcs -m ipcs -am could be your friends On Δευ 05 Νοε 2012 11:22:46 Frank Broniewski wrote: > Hi, > > I am running a PostgreSQL server on FreeBSD. The system has 32GB memory. > Usually I use top to examine the memory usage of the system. After a > while, a part, approximately 5GB, vanish from top, so that the memory > rounds up to 27GB. After restarting PostgreSQL, I have all 32GB again > available, but then it's already slightly decreasing. It's a standalone > database server. It has an OpenStreetMap world database running with > 353GB data (with indices). > > Some system information: > # uname -r > 9.0-RELEASE-p3 > # pg_ctl --version > pg_ctl (PostgreSQL) 9.1.6 > > # cat /boot/loader.conf > ... > kern.ipc.semmni=256 > kern.ipc.semmns=512 > kern.ipc.semmnu=256 > kern.ipc.semumr=200 > vm.pmap.shpgperproc=400 > vm.pmap.pv_entry_max=50331648 > ... > > # cat /pgdata/data/postgresql.conf > ... > default_statistics_target = 50 # pgtune wizard 2012-04-04 > maintenance_work_mem = 4GB # pgtune wizard 2012-04-04 > constraint_exclusion = on # pgtune wizard 2012-04-04 > checkpoint_completion_target = 0.9 # pgtune wizard 2012-04-04 > effective_cache_size = 24GB # pgtune wizard 2012-04-04 > work_mem = 768MB # pgtune wizard 2012-04-04 > wal_buffers = 16MB # pgtune wizard 2012-04-04 > checkpoint_segments = 60 # 20 > shared_buffers = 8GB # pgtune wizard 2012-04-04 > max_connections = 100 > synchronous_commit = off > > > So any help finding out why my system "looses" some RAM is greatly > appreciated :-) If more information is needed I will gladly provide it. > > Frank > > > > - Achilleas Mantzios IT DEPT -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
