[JENKINS-27288] Leaking temporary directories named /tmp/hudson*tmp

[timja]

I just noticed that the SCM polling failed for all of our builds because no temporary files could be created in /tmp.

When looking there, I saw there were some 32k files named like hudson2195781228286547025tmp and that I'm hitting a filesystem limit that only allows a directory to have up to 32K files.

I deleted them all but they keep reappearing.

$ ls -la /tmp | grep hudson| wc -l
8
$ ls -la /tmp | grep hudson| wc -l
28
$ ls -la /tmp | grep hudson| wc -l
42

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Originally reported by alien_, imported from: Leaking temporary directories named /tmp/hudson*tmp

• status: Open
• priority: Major
• resolution: Unresolved
• imported: 2022/01/10

[timja]

danielbeck:

How many are created in, say, one hour?

What are the contents of these folders?