Hello Paul, I know it's a heck of a late reply. Sorry about that. I guess it's better later than never, isn't it?
On Fri, Dec 31, 2010 at 12:10 PM, pub crawler <[email protected]>wrote: > Here's our scenario: > > Ubuntu 10.10 x64 server install. Default PHP installation, latest > Cherokee from SVN. > > Simple low-load, low use PHP scripts running. Almost unused at this point. > > Have multiple sources set up for PHP within Cherokee via FastCGI Handler: > > Backends: > PHP Interpreter 127.0.0.1:47990 > php local 2 127.0.0.1:47991 > php local 3 127.0.0.1:47992 > php local 4 127.0.0.1:47993 > php local 5 127.0.0.1:47994 > > Have those set up in failover mode within Cherokee. > > One or more of these backends becomes non responsive (process still > running though). No clue on my part why any such process is failing > at this point. > > Let's say 47990 is in this failed mode, I would assume Cherokee > failover should be able to detect this in timely manner and ask 47991 > to handle the request. > Yes, that is the expected behavior. Well this doesn't happen. The connection sits there waiting and > waiting until the timeout defined for this server (10 seconds). > > So two questions: > > 1. Any ideas on a fix or cause for PHP failure like this? What > should I be looking at to debug PHP's issues like this? > It could be either a php issue or a more general system resource exhaustion problem. I documented some of the most important system parameters on the following document (be extra-careful tweaking them!!) http://www.cherokee-project.com/doc/other_os_tuning.html By the way, are you using php-cgi or php-fpm? I definitely suggest you to switch to php-fpm if you are still using php-cgi. 2. Am I hoping for too much from the failover functionality at this > time (i.e. a configurable wait time for failover detection and > cascading attempts down the list)? > No. > Should I submit a Ticket for Request for Enhancement? > Definitely! -- Greetings, alo http://www.octality.com/
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