My fear with logging the complete data input is that it will make the problem worse for my customers because this problem is only happening on heavily loaded servers. I can't reproduce it locally.
On Tue, Sep 6, 2016 at 11:26 AM, Perrin Harkins <[email protected]> wrote: > Hi John, > > The key is usually finding out what the request was that caused it. You > can add the pid to your access logging, or write a more complete mod_perl > handler to log the complete data input along with the pid. Then you just go > back and look at what it was after you see which process was killed. > > - Perrin > > On Tue, Sep 6, 2016 at 10:00 AM, John Dunlap <[email protected]> wrote: > >> The system load reported by the uptime command, on one of my servers, >> periodically spikes to 20-30 and then, shortly thereafter, I see this in >> dmesg: >> >> [2887460.393402] Out of memory: Kill process 12533 (/usr/sbin/apach) >> score 25 or sacrifice child >> [2887460.394880] Killed process 12533 (/usr/sbin/apach) >> total-vm:476432kB, anon-rss:204480kB, file-rss:0kB >> >> Several gigs of memory then becomes available and the system load quickly >> returns to normal. I'm pretty sure it's a mod perl process that's doing >> this but I'm not entirely sure how to track down the problem. >> >> How would you guys approach this problem? >> >> -- >> John Dunlap >> *CTO | Lariat * >> >> *Direct:* >> *[email protected] <[email protected]>* >> >> *Customer Service:* >> 877.268.6667 >> [email protected] >> > > -- John Dunlap *CTO | Lariat * *Direct:* *[email protected] <[email protected]>* *Customer Service:* 877.268.6667 [email protected]
