This might help you. ;-) It provides a Tcl command that allows you to
temporarily "pause" the process and dump all the memory to disk. You
can then use gdb to see what was going on. That said, we've never
actually used this in production, but in tests on development servers
it works great. The time the server stays "paused" depends on the
overall size of the server.
http://sourceforge.net/project/showfiles.php?
group_id=3152&package_id=148683
- n
On Oct 3, 2005, at 2:28 PM, Janine Sisk wrote:
It is Linux. Unfortunately, it's always the production instances
that hang, and I can't leave them that way while I poke around.
Especially since it seems to be load related and so usually happens
at the busiest times of the day. I don't really know how to use
gdb; if there is something quick I can do that can be examined
offline, let me know and I will try it.
janine
On Oct 3, 2005, at 11:15 AM, Dossy Shiobara wrote:
On 2005.10.03, Janine Sisk <[EMAIL PROTECTED]> wrote:
It's pretty tough to track down the cause since once it happens nsd
is totally unresponsive and doesn't give any clues as to what
happened.
If you're running on Solaris, you might want to capture the "pstack"
output of the process.
On Linux, you could attach with gdb and try to get a backtrace.
-- Dossy
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