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Linux Popen Cannot Allocate Memory


It's pretty unlikely to be a normal run-of-the-mill Linux/UNIX issue. asked 4 years ago viewed 4413 times active 4 years ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Linked 3 Ubuntu 12.04 R install.packages() does not work. What does a -4 above the stave mean? Can a president win the electoral college and lose the popular vote What is a satisfactory result of penetration testing assessment? useful reference

Or will a client/server/socket solution be needed? The processes are being closed because that is the behaviour of using .communicate() as backed up by the Python source code and comments here. BTW, I am not sure if it is relevant, but the machine I am talking about is an AWS EC2 instance with Ubuntu 12 running. The solution, other than using a redirect to a local file, is probably to use popen-like functionality with an stdin/stdout pair that can be read from a little at a time. http://stackoverflow.com/questions/31033705/why-is-popen-failing-with-cannot-allocate-memory

Python Cannot Allocate Memory

The only thing I note is that under max user processes it does not say unlimited as yours does. current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. q("no") The idea is that you save the things you need in a file called .RData. I also ran sudo apt-get check, and no errors were found.

Press enter and the list should now be sorted by memory usage. C++ calculator using classes Basic Geometric intuition, context is undergraduate math student wanting general math life advice with math. Under kernel 2.6, /proc/sys/vm/swappiness controls how aggressively the kernel will turn to swap, and overcommit* files how much and how precisely the kernel may apportion memory with a wink and a Python Memory Leaks What else could be the problem?

From there, assuming it works in that configuration, they can perform a binary search between that and the configuration which exhibits the issue. Self.pid = Os.fork() "oserror: [errno 12] Cannot Allocate Memory" Maybe you call fclose by mistake. –David Schwartz Jun 24 '15 at 18:20 @user2062604 Just to be clear, is your call to popen failing and leaving errno set to more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed http://stackoverflow.com/questions/1367373/python-subprocess-popen-oserror-errno-12-cannot-allocate-memory Should you change a thermostat when changing your water pump more hot questions question feed lang-py about us tour help blog chat data legal privacy policy work here advertising info mobile

but not according to the output of your free(1) command, which shows no swap space recognized by your server instance. Oserror: [errno 12] Cannot Allocate Memory Odoo I have updated my question accordingly. –Questioner Feb 11 '13 at 1:08 I've appended to my question the output of the commands you requested. Hosting by jambit GmbH. In the case of an unfavourable overcommit policy, you'll soon see ENOMEM.

Self.pid = Os.fork() "oserror: [errno 12] Cannot Allocate Memory"

Which seems odd, and might confirm the problem is specifically related to the weather functions within the time/date/weather app. –Questioner Feb 19 '13 at 10:24 | show 15 more comments 4 http://askubuntu.com/questions/253466/why-am-i-frequently-getting-this-cannot-allocate-memory-error Are “la malplej juna” and “la plej maljuna” entirely interchangeable? Python Cannot Allocate Memory My cat sat on my laptop, now the right side of my keyboard types the wrong characters Show that the square matrix A is invertible How to delete the lines from Cannot Allocate Memory Linux I have the following code : --------------------- ...

EDIT: Thought I would help because I also have an EC2 with Ubuntu and it works for me: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1010 see here To exceed this limit, the process must have either the CAP_SYS_ADMIN or the CAP_SYS_RESOURCE capability. What is this c. 1948 private plane with a sliding canopy? I am seen in darkness and in light, What am I? Python Multiprocessing Cannot Allocate Memory

If so will any of rfoo, tornado, or zeromq, http transfers work here? Any tip in the right direction will be much appreciated! Can Trump undo the UN climate change agreement? http://tcsmacs.net/cannot-allocate/linux-cifs-cannot-allocate-memory.php Adding some swap memory however, fixed the problem in my case so since this might help other people facing the same problem, I post my answer on how to add a

I am unable to reproduce on my own CentOS boxes nor with any other user reporting the same problem. Docker Oserror: [errno 12] Cannot Allocate Memory What is a Rotary Club Word™? The 'e' value for type is a Linux extension.

The latter can be avoided by calling fflush(3) before popen().

EAGAIN It was not possible to create a new process because the caller's RLIMIT_NPROC resource limit was encountered. I know that the system is not even close to being out of memory, so that's not the problem. Zener diodes in glass axial package - not inherently shielded from photoelectric effect? Cannot Allocate Memory Centos If pclose() cannot obtain the child status, errno is set to ECHILD.

What version of Python are you using? –dstromberg Nov 21 '13 at 8:15 If you are on Linux, what is your overcommit policy? A number of class methods that are called as part of doChecks use the subprocess module to call system functions in order to get system statistics: ps = subprocess.Popen(['ps', 'aux'], stdout=subprocess.PIPE).communicate()[0] Here's the relevant portion of the fork(2) man page: ERRORS EAGAIN fork() cannot allocate sufficient memory to copy the parent's page tables and allocate a task structure for the child. http://tcsmacs.net/cannot-allocate/linux-error-12-cannot-allocate-memory.php It has to do with the way subprocess is implemented: fork/clone.

Since a pipe is by definition unidirectional, the type argument may specify only reading or writing, not both; the resulting stream is correspondingly read-only or write-only. Try upping the RAM from 512MB to 1GB, that fixed it for me. Polyglot Anagrams Cops' Thread How can I take a powerful plot item away from players without frustrating them? I suggest having the user try this after booting into a stock, generic kernel and with only a minimal set of modules and drivers loaded (minimum necessary to run your application/script).

see more linked questions… Related 8Python subprocess.Popen erroring with OSError: [Errno 12] Cannot allocate memory after period of time6OSError: [Errno 12] Cannot allocate memory from python subprocess.call10Python MemoryError: cannot allocate array Why did Borden do that to his wife in The Prestige? gFTP or other application for example, that the operating system will permit the user to run. What is the most efficient & fastest way to speed up the installation of packages with thousands of items?

Re: popen cannot allocate memory From: Barry Margolin Date: Tue, 11 Apr 2006 00:49:27 -0400 In article , Thomas Maier-Komor wrote: rveloso wrote: Hi all, i'm having a really In Ubuntu (it should work for other distributions as well) you can check your swap by: $sudo swapon -s if it is empty it means you don't have any swap enabled. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed I then want to transfer them across a network and do analysis.

Why usually is the word "halfway" used with "down" rather than "up"? If there is a way to restart R within R then maybe I can add that to my script.sh flow. share|improve this answer answered Nov 21 '13 at 3:02 dstromberg 3,906613 I am not sure if I am missing something, but I do not want to replace os.popen, I Browse other questions tagged python networking memory subprocess paramiko or ask your own question.

Why are wavelengths shorter than visible light neglected by new telescopes? This seems to imply a client-server model What is the simplest way to SSH using Python? , but I have the additional constraints that I cannot use subprocess due to memory Possible repercussions from assault between coworkers outside the office Why is looping over find's output bad practice? This error is preserved along python's low-memory stumble through traceback construction, even though the C-library errno is reset many times along the way. –pilcrow Sep 3 '09 at 21:48