Linux Socket Accept Error 24
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Too Many Open Files In System Linux
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[errno 24] Too Many Open Files Linux
Join them; it only takes a minute: Sign up socket.accept error 24: To many open files up vote 6 down vote favorite 14 I have a problem with open files under my Ubuntu 9.10 when running server in Python2.6 And main problem is that, that i don't know why it so.. I have set ulimit -n = 999999 python socket too many open files net.core.somaxconn = 999999 fs.file-max = 999999 and lsof gives me about 12000 open files when server is running. And also i'm using epoll. But after some time it's start giving exeption: File "/usr/lib/python2.6/socket.py", line 195, in accept error: [Errno 24] Too many open files And i don't know how it can reach file limit when it isn't reached. Thanks for help) python exception file sockets share|improve this question asked Apr 2 '10 at 22:56 Andrey Nikishaev 1,64731938 What does "ulimit -n" return? Is the system actually letting you set it to 999999? –Daniel Stutzbach Apr 3 '10 at 0:19 1 You are probably hitting the per-process file descriptor limit and you don't note how you have modified it. See /usr/include/linux/limits.h NR_OPEN What do you do with 12k open files?? –msw Apr 3 '10 at 1:25 About this "/usr/include/linux/limits.h NR_OPEN" i didn't know, it was set to 1024, changed up to 65536. About "ulimit -n" it's return 999999 Will test now server with this new NR_OPEN option. And will repl
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers gevent too many open files or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question socket too many open files (24) mac x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; failed to accept socket too many open files winbind it only takes a minute: Sign up Socket accept - “Too many open files” up vote 34 down vote favorite 20 I am working on a school project where I had to write a multi-threaded server, and now I am http://stackoverflow.com/questions/2569620/socket-accept-error-24-to-many-open-files comparing it to apache by running some tests against it. I am using autobench to help with that, but after I run a few tests, or if I give it too high of a rate (around 600+) to make the connections, I get a "Too many open files" error. After I am done with dealing with request, I always do a close() on the socket. I have tried to use the shutdown() function as well, but nothing seems to help. http://stackoverflow.com/questions/880557/socket-accept-too-many-open-files Any way around this? c sockets share|improve this question edited Jul 19 '13 at 15:06 Yu Hao 84.4k18116177 asked May 19 '09 at 1:15 Scott 1,01731328 add a comment| 9 Answers 9 active oldest votes up vote 35 down vote accepted There are multiple places where Linux can have limits on the number of file descriptors you are allowed to open. You can check the following: cat /proc/sys/fs/file-max That will give you the system wide limits of file descriptors. On the shell level, this will tell you your personal limit: ulimit -n This can be changed in /etc/security/limits.conf - it's the nofile param. However, if you're closing your sockets correctly, you shouldn't receive this unless you're opening a lot of simulataneous connections. It sounds like something is preventing your sockets from being closed appropriately. I would verify that they are being handled properly. share|improve this answer answered May 19 '09 at 1:20 Reed Copsey 396k377981121 I edit /etc/security/limits.conf with: –linjunhalida Jul 21 '11 at 7:39 username hard nofile 20000 –linjunhalida Jul 21 '11 at 7:39 2 and how to apply it without restart? –linjunhalida Jul 21 '11 at 7:40 This doesn't solve the problem. Sure it will tell you where the limit on open handles is, and you can delay the problem by upping the limit. But OP likely has a handle leak and will blow through any limit eve
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of http://stackoverflow.com/questions/25674750/python-socket-gives-errno-24-too-many-open-files this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up too many Python Socket gives “[Errno 24] Too many open files” up vote 2 down vote favorite I have the following UDP class sending arrays of data at about 100Hz from six import string_types import socket import struct def convert_data(iterable): if isinstance(iterable, string_types): return str(iterable) data = tuple(iterable) format = "{0}H".format(len(data)) print("Sending data:", format, data) if max(data) > 2**16 - 1: raise ValueError(max(data)) if min(data) too many open < 0: raise ValueError(min(data)) return struct.pack(format, *data) class UDP(object): def __init__(self, ip, port): self._ip = ip self._port = port self.socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) self.socket.connect((ip, port)) def send_data(self, data): message = convert_data(data) return self.socket.sendall(message) It gives the following error after successfully sending for about a minute: Traceback (most recent call last): File "take_analogue_data.py", line 13, in