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cannot allocate memory - fork

asked 2013-11-14 17:30:30 -0500

mmrobins gravatar image

Using Puppet 3.1.0 when I run puppet apply I'm getting the following error:

Error: /Stage[main]/Vsftpd/Service[vsftpd]: Could not evaluate: Cannot allocate memory - fork(2)
Error: /Stage[main]/Graphite::Install/Package[whisper]: Could not evaluate: Cannot allocate memory -  /usr/bin/pip freeze 2>&1
Error: /Stage[main]/Myclass/Exec[myexec]/returns: change from notrun to 0 failed: Cannot allocate memory - fork(2)

I can run the commands outside puppet and don't get this problem.

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answered 2013-11-14 17:33:28 -0500

mmrobins gravatar image

Right after posting the question I realized I didn't have any swap and my newly created box:

 >free -m
             total       used       free     shared    buffers     cached
Mem:           491        444         46          0         13         88
-/+ buffers/cache:        342        148
Swap:            0          0          0

Here's a guide I used on Digital Ocean to add the swap partion, but it should apply pretty well for Ubuntu systems anywhere. After adding swap my "cannot allocate memory -fork" errors were gone.

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answered 2015-07-06 23:07:35 -0500

Ishu gravatar image

Check First the memory by using command "df -H" on your server. If the memory is ok than reboot your system with "sudo su reboot" and it will work fine..

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answered 2015-06-01 14:54:46 -0500

rglaue gravatar image

If you are experiencing this issue on the puppet master, use puppetserver.

Your puppet agents might be receiving an error message like: "Could not retrieve catalog from remote server: Error 400 on SERVER: Failed when searching for node Cannot allocate memory - fork(2)"

A restart of "puppetmaster" fixes the issue temporarily. The issue is a known memory leak issue with ruby (See also: The recommendation is to use "puppetserver". It is available from the puppetlabs-products repository.

Also see that the Rack and WEBrick daemon options for puppet master are deprecated:

See also Puppet Server:

Puppet Server is an application that runs on the Java Virtual Machine (JVM) and provides the same services as the classic Puppet master application.

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Asked: 2013-11-14 17:30:30 -0500

Seen: 6,824 times

Last updated: Jul 06 '15