I am also having an issue with mongrel becoming unresponsive.
Here is it's environment:
Red Hat Enterprise Linux ES release 4
ruby 1.8.5 (2007-03-13 patchlevel 35) [x86_64-linux]
Mongrel Web Server 1.0.1
In front of these mongrels, is Apache and the haproxy load balancer
I am running several different ROR sites on the same server.
after a few hours the rails application will become unresponsive.
My log file sings this tune:
Server overloaded with 5 processors (5 max). Dropping connection.
Mon May 07 11:53:04 -0500 2007: Reaping 4 threads for slow workers
because of 'max processors'
Thread #<Thread:0x2a98447ab0 sleep> is too old, killing.
Mon May 07 11:53:04 -0500 2007: ERROR: Mongrel timed out this thread:
max processorsThread #<Thread:0x2a98451740 sleep> is too old, killing.
Mon May 07 11:53:04 -0500 2007: ERROR: Mongrel timed out this thread:
max processorsThread #<Thread:0x2a98459990 sleep> is too old, killing.
Mon May 07 11:53:04 -0500 2007: ERROR: Mongrel timed out this thread:
max processorsThread #<Thread:0x2a984d9168 sleep> is too old, killing.
Server overloaded with 5 processors (5 max). Dropping connection.
Mon May 07 11:53:06 -0500 2007: Reaping 5 threads for slow workers
because of 'max processors'
Mon May 07 13:29:29 -0500 2007: Reaping 3 threads for slow workers
because of 'shutdown'
Thread #<Thread:0x2a98472468 sleep> is too old, killing.
Mon May 07 13:29:29 -0500 2007: Error calling
Dispatcher.dispatch#<Mongrel::TimeoutError: Mongrel timed out this
thread: shutdown>Thread
#<Thread:0x2a98597b68 sleep> is too old, killing.
A restart of the mongrel, fixes it, but it doesn't last.
I have been trying to use the gdb to to gain some insight as the the root
cause.
Using the examples I found on the web,, the following was suggested
(gdb) set $ary = (int)backtrace(-1)
(gdb) set $count = *($ary+8)
(gdb) set $index = 0
(gdb) while $index < $count
> x/1s *((int)rb_ary_entry($ary, $index)+12)
> set $index = $index + 1
>end
However, I get an error on the second line
"(gdb) set $count = *($ary+8)
Cannot access memory at address 0xffffffff985779d8"
Has anyone seen this before?
Cheers,
Nathan C.
--
Together we can solve any issue.
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