On Sun, Feb 24, 2013 at 7:08 AM, Andre <pg@xxxxxxxx> wrote: > Hi, > Since our upgrade of hardware, OS and Postgres we experience server stalls > under certain conditions, during that time (up to 2 minutes) all CPUs show > 100% system time. All Postgres processes show BIND in top. > Usually the server only has a load of < 0.5 (12 cores) with up to 30 > connections, 200-400 tps > > Here is top -H during the stall: > Threads: 279 total, 25 running, 254 sleeping, 0 stopped, 0 zombie > %Cpu(s): 0.2 us, 99.8 sy, 0.0 ni, 0.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 > st It might be useful to see a page of top output as well. Further turn on sysstat data collection so you do some post mortem work. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance