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Questions tagged [ulimit]

ulimit gets or sets the upper limit for resources available to the current shell.

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How to increase Neo4j's maximum file open limit (ulimit) in Ubuntu?

Currently ulimit -n shows 10000. I want to increase it to 40000. I've edited "/etc/sysctl.conf" and put fs.file-max=40000. I've also edited /etc/security/limits.conf and updated hard and soft values. But still ulimit shows 10000. After making all…
theharshest
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What does "ulimit -s unlimited" do?

There are understandably many related questions on stack allocation What and where are the stack and heap? Why is there a limit on the stack size? Size of stack and heap memory However on various *nix machines I can issue the bash command ulimit -s…
Brian Hawkins
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how to set ulimit / file descriptor on docker container the image tag is phusion/baseimage-docker

I need to set the file descriptor limit correctly on the docker container I connect to container with ssh (https://github.com/phusion/baseimage-docker) Already tried: edit limits.conf the container ignore this file upstart procedure found at…
dnocode
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Python: ulimit and nice for subprocess.call / subprocess.Popen?

I need to limit the amount of time and cpu taken by external command line apps I spawn from a python process using subprocess.call , mainly because sometimes the spawned process gets stuck and pins the cpu at 99%. nice and ulimit seem like…
Parand
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How to increase ulimit on Amazon EC2 instance?

After SSH'ing into an EC2 instance running the Amazon Linux AMI, I tried: ulimit -n 20000 ...and got the following error: -bash: ulimit: open files: cannot modify limit: Operation not permitted However, the shell allows me to decrease this number,…
dmodulus
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How to limit memory of a OS X program? ulimit -v neither -m are working

My programs run out of memory like half of the time I run them. Under Linux I can set a hard limit to the available memory using ulimit -v mem-in-kbytes. Actually, I use ulimit -S -v mem-in-kbytes, so I get a proper memory allocation problem in the…
hectorpal
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Ulimits in Docker host vs container

I wasn't able to find straight answer, to this question, but here it is: Let's say that I have a host which has max open files 1024: [root@host]# ulimit -a open files (-n) 1024 and a docker container running in that host…
os11k
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What does "ulimit -l" mean?

According to the manpage, "-l" in ulimit means "The maximum size that may be locked into memory". What does this sentence mean, exactly? How may it affect running programs?
Eric Yung
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How do I close the files from tempfile.mkstemp?

On my machine Linux machine ulimit -n gives 1024. This code: from tempfile import mkstemp for n in xrange(1024 + 1): f, path = mkstemp() fails at the last line loop with: Traceback (most recent call last): File "utest.py", line 4, in…
Hooked
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How to change the stack size using ulimit or per process on Mac OS X for a C or Ruby program?

It seems that the recommended way to set stack size for a C program or Ruby program (which uses the C stack), is by using ulimit in the Bash shell. But $ ulimit -s 8192 $ ulimit -s 16384 -bash: ulimit: stack size: cannot modify limit: Operation…
nonopolarity
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react-native start EACCESS error for setup_env.sh

So, I got my first project in ReactNative to run from Windows for Android OS. Took a checkout on a Mac, configured it in an identical manner and as I try to start the react package manager using react-native start and get the following…
Sushant Sardeshpande
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How to limit memory usage within a python process

I run Python 2.7 on a Linux machine with 16GB Ram and 64 bit OS. A python script I wrote can load too much data into memory, which slows the machine down to the point where I cannot even kill the process any more. While I can limit memory by…
Arne
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Resident Set Size (RSS) limit has no effect

The following problem occurs on a machine running Ubuntu 10.04 with the 2.6.32-22-generic kernel: Setting a limit for the Resident Set Size (RSS) of a process does not seem to have any effect. I currently set the limit in Python with the following…
BrainCore
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Is there a limit of stack size of a process in linux

Is there a limit on the stack size of a process in Linux? Is it simply dependent on the RAM of the machine? I want to know this in order to limit the depth of recursive calls to a function.
michael
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Docker Ignores limits.conf (trying to solve "too many open files" error)

I'm running a web server that is handling many thousands of concurrent web socket connections. For this to be possible, on Debian linux (my base image is google/debian:wheezy, running on GCE), where the default number of open files is set to 1000, I…
orcaman
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