Hello all, I'm using Repoze.BFG, with paster to launch the webserver. This is a similar issue to the one I emailed about before titled "server stops handling requests - nowhere near 100% CPU or Memory used"
The situation is the same. I used z3c.deadlockdebugger , and what I notice is that, when the server is blocked, there are about 100 threads running (as opposed to 15 or so when the server has just started), and all their stack traces look like this: Thread 140269004887808: File "/usr/lib/python2.6/threading.py", line 504, in __bootstrap self.__bootstrap_inner() File "/usr/lib/python2.6/threading.py", line 532, in __bootstrap_inner self.run() File "/usr/lib/python2.6/threading.py", line 484, in run self.__target(*self.__args, **self.__kwargs) File "/home/tsa/env/lib/python2.6/site-packages/paste/httpserver.py", line 878, in worker_thread_callback runnable() File "/home/tsa/env/lib/python2.6/site-packages/paste/httpserver.py", line 1052, in <lambda> lambda: self.process_request_in_thread(request, client_address)) File "/home/tsa/env/lib/python2.6/site-packages/paste/httpserver.py", line 1068, in process_request_in_thread self.finish_request(request, client_address) File "/usr/lib/python2.6/SocketServer.py", line 322, in finish_request self.RequestHandlerClass(request, client_address, self) File "/usr/lib/python2.6/SocketServer.py", line 617, in __init__ self.handle() File "/home/tsa/env/lib/python2.6/site-packages/paste/httpserver.py", line 442, in handle BaseHTTPRequestHandler.handle(self) File "/usr/lib/python2.6/BaseHTTPServer.py", line 329, in handle self.handle_one_request() File "/home/tsa/env/lib/python2.6/site-packages/paste/httpserver.py", line 437, in handle_one_request self.wsgi_execute() File "/home/tsa/env/lib/python2.6/site-packages/paste/httpserver.py", line 287, in wsgi_execute self.wsgi_start_response) File "/home/tsa/env/lib/python2.6/site-packages/repoze/zodbconn/connector.py", line 18, in __call__ conn = self.db.open() File "/home/tsa/env/lib/python2.6/site-packages/ZODB/DB.py", line 729, in open self._a() File "/usr/lib/python2.6/threading.py", line 123, in acquire rc = self.__block.acquire(blocking) The server gets to a blocked state every 24 hours or so. Simply restarting the webserver works fine; however, i'd like to know what the problem is so restarting won't be necessary, and to prevent it from getting worse. Any ideas/ suggestions? Thanks, - Claudiu
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