[Mongrel] mongrel becoming unresponsive
Michael P. Soulier
msoulier at digitaltorque.ca
Sat May 5 22:54:06 EDT 2007
On 06/05/07 Thomas Hurst said:
> Try using gdb to get a backtrace:
> % gdb `which ruby` <pid of mongrel>
Unfortunately it's on a VPS where I don't get gdb. I don't have full control
over the box.
> Then "bt" to get a list of the functions it's calling. You may need to
> recompile Ruby with debugging symbols if it's mostly "???". On FreeBSD
> this is as simple as "portupgrade -fm '-DWITH_DEBUG' ruby"
> http://eigenclass.org/hiki/ruby+live+process+introspection may be of
> Other options are ktrace, strace and truss (depending on what system
> you're on) to get an idea of the syscalls it's performing, but this may
> not be very useful depending on how it's hung.
Michael P. Soulier <msoulier at digitaltorque.ca>
"Any intelligent fool can make things bigger and more complex... It
takes a touch of genius - and a lot of courage to move in the opposite
direction." --Albert Einstein
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