Greetings -
I dug around a bit and I couldn't find a definitive answer to this
question, apologies if it's been covered before. A box running a
apache 2.2 -> mongrel cluster for a rails app got power cycled at my
ISP. Unfortunately monit couldn't start the mongrel processes
because the pid files were still there. Here is my monit config (for
each mongrel process):
check process myapp_mongrel_8000 with pidfile /data/wwwroot/myapp.com/
log/mongrel.8000.pid
start program = "/usr/bin/mongrel_rails start -d -e
production -p 8000 -a 127.0.0.1 -P log/mongrel.8000.pid -c /data/
wwwroot/myapp.com --user mongrel --group mongrel"
stop program = "/usr/bin/mongrel_rails stop -P log/mongrel.
8000.pid -c /data/wwwroot/myapp.com"
if failed host 127.0.0.1 port 8000 protocol http
and request "/" then alert
if cpu is greater than 60% for 2 cycles then alert
if cpu > 80% for 5 cycles then restart
if loadavg(5min) greater than 10 for 8 cycles then restart
if 3 restarts within 5 cycles then timeout
Is there some other command line switch I can add to avoid this
problem? Should I config monit to clear the .pid files first?
Thanks,
Henry
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