Hi, VeeJay--
On Apr 30, 2009, at 12:02 PM, VeeJay wrote:
Guys, I am not very good on freebsd, its you guys who help me to
keeping my
server up... I hope you can spare a few minutes to sort this
problem...
last pid: 19656; load averages: 1.00, 1.00,
1.00
up 2+05:00:12 19:18:47
3049 processes:2 running, 3047 sleeping
CPU: 12.5% user, 0.0% nice, 0.1% system, 0.0% interrupt, 87.4% idle
Mem: 6253M Active, 3810M Inact, 921M Wired, 128K Cache, 214M Buf,
4683M Free
Swap: 32G Total, 32G Free
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU
COMMAND
830 mysql 1500 44 0 1670M 813M ucond 1 0:00 100.00%
mysqld
It sure looks like you're running into a system limit with the maximum
# of threads available to the mysql process. That's likely to be a
consequence of some kind of query deadlock which is causing processes
to get stuck and not be able to complete their work, resulting in
subsequent requests also blocking until MySQL is no longer able to
support more connection requests.
There isn't enough information about what you're doing to really go
much further-- something as simple as using MyISAM with full table-
level locking versus InnoDB with row-level locking could be the
problem, or you might have to take a closer look at the workload and
outstanding queries.
Regards,
--
-Chuck
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