By the way, one more thing: I have three sites running on this
server - staging, live and an old keepalive instance. The live site
is the only one exhibiting the scheduled proc problem; it's also the
only one that gets any significant traffic. So I'm thinking it's
some kind of overflow where it only causes problems when a busy site
is using memory and ends up overwriting something.
janine
On May 16, 2006, at 12:10 AM, Janine Sisk wrote:
In addition to the below, there are at least two of us over at
openacs.org reporting that scheduled procs stopped firing over the
weekend. I have one site left on 3.3+ad13 and the other guy says
he has 3.2+ad12.
This site hasn't been upgraded because the client didn't want to
upgrade, so any pointers on fixing this would be greatly appreciated.
janine
On May 15, 2006, at 9:55 AM, Guan Yang wrote:
I've experienced this problem over the weekend on half a dozen
servers in three different locations:
After starting up, AOLserver (mostly 3.4.2, also a 3.5.11) begins
allocating a lot of virtual memory. When I follow the process in
top, the virtual memory counter (but not real memory) rapidly
increases over the course of 10 to 20 seconds, until it hits the
limit of 3 GB virtual memory in user space on x86 Linux boxes. The
process then crashes with this message:
nsthread(3094) error: pthread_create failed in NsThreadCreate:
Cannot allocate memory
(The process is then restarted by supervise/svscan.)
I couldn't find a fix for the problem and had to migrate to
AOLserver 4.0.10 (we had already planned this for next month)
immediately. But I find it a bit weird that practically every
AOLserver 3 installation that I know of encounters this problem
over the same weekend. Just bad luck? Date sensitive code?
Guan
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