Re: Apparent memory leak

2016-09-06 Thread Perrin Harkins
Sorry, I should have explained what I meant better. You would add a handler BEFORE the request gets to your regular application, so you catch the details of the request that dies. I mis-remembered about the access_log. I was actually thinking of a custom C module I used once that did this type of

Re: Apparent memory leak

2016-09-06 Thread John Dunlap
If this is a memory leak, won't the last request to be sent to the mod_perl worker process be the last straw and not necessarily the culprit? What if the leak is in some library code that's used in every request? On Tue, Sep 6, 2016 at 12:43 PM, John Dunlap wrote: > My fear with

Re: Apparent memory leak

2016-09-06 Thread John Dunlap
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 wrote: > Hi John, > > The key

Re: Apparent memory leak

2016-09-06 Thread Perrin Harkins
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

Apparent memory leak

2016-09-06 Thread John Dunlap
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