I'm building a Django server for data collection. However, the program
seems not capable when the sensing network expands. As time goes on, the
program doesn't even enter the code piece and report broken pipe/connection
reset by peer/too many open files errors:
Exception happened during processing of request from ('172.58.139.243',
30713)Traceback (most recent call last):
File "/usr/lib/python2.7/SocketServer.py", line 593, in process_request_thread
File "/usr/lib/python2.7/SocketServer.py", line 334, in finish_request
File "/usr/lib/python2.7/dist-packages/django/core/servers/basehttp.py", line
126, in __init__
File "/usr/lib/python2.7/SocketServer.py", line 651, in __init__
File "/usr/lib/python2.7/SocketServer.py", line 710, in finish
File "/usr/lib/python2.7/socket.py", line 279, in close
File "/usr/lib/python2.7/socket.py", line 303, in flush
error: [Errno 32] Broken pipe
[08/Dec/2016 17:46:47] "POST /Update_Data/ HTTP/1.1" 500 39484Traceback (most
recent call last):
File "/usr/lib/python2.7/wsgiref/handlers.py", line 86, in run
File "/usr/lib/python2.7/wsgiref/handlers.py", line 128, in finish_response
File "/usr/lib/python2.7/wsgiref/handlers.py", line 217, in write
File "/usr/lib/python2.7/socket.py", line 324, in write
File "/usr/lib/python2.7/socket.py", line 303, in flush
error: [Errno 104] Connection reset by peer
File "/usr/lib/python2.7/random.py", line 810, in randomOSError: [Errno 24] Too
many open files
I checked the open files and it seems like the socket files are never
closed. The list is full of items like the followings:
python 30404 30522 ubuntu 732u IPv4 2437194784 0t0 TCP
192.168.100.2:9003->172.58.137.113:18538 (ESTABLISHED)
python 30404 30522 ubuntu 733u IPv4 2437194788 0t0 TCP
192.168.100.2:9003->172.58.137.113:55661 (ESTABLISHED)
python 30404 30522 ubuntu 734u IPv4 2437194792 0t0 TCP
192.168.100.2:9003->172.58.137.113:42461 (ESTABLISHED)
python 30404 30522 ubuntu 735u IPv4 2437194793 0t0 TCP
192.168.100.2:9003->172.58.137.113:40438 (ESTABLISHED)
python 30404 30522 ubuntu 736u IPv4 2437194797 0t0 TCP
192.168.100.2:9003->172.58.137.113:52998 (ESTABLISHED)
Any ideas? Let me know if you need any further information.
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