[Bug 1792349] [NEW] Memory leaking when running kubernetes cronjobs

2018-09-13 Thread Daniel McGinnes
Public bug reported: We are using Kubernetes V1.8.15 with docker 18.03.1-ce. We schedule 50 Kubernetes cronjobs to run every 5 minutes. Each cronjob will create a simple busybox container, echo hello world, then terminate. In the data attached to the bug I let this run for 1 hour, and in this ti

[Bug 1792349] Re: Memory leaking when running kubernetes cronjobs

2018-10-11 Thread Daniel McGinnes
Hi, as per this update -> https://www.spinics.net/lists/cgroups/msg20660.html I have a set of patches on top of Kernel 4.19.rc3 that appear to resolve the issue. What is the process for getting these backported to a 4.15 Kernel build for Ubuntu 18? The list of patches is: https://lkml.org/lkml/2

[Bug 1792349] Re: Memory leaking when running kubernetes cronjobs

2018-10-23 Thread Daniel McGinnes
Hi, any update on what needs to happen to get these patches backported to a 4.15 Kernel build for Ubuntu 18? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1792349 Title: Memory leaking when running

[Bug 1792349] Re: Memory leaking when running kubernetes cronjobs

2018-09-13 Thread Daniel McGinnes
I re-ran on 4.19.0-041900rc3-generic #201809120832 SMP Wed Sep 12 12:35:08 UTC 2018 and am still seeing the leak. ** Tags added: kernel-bug-exists-upstream -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bug

[Bug 1792349] Re: Memory leaking when running kubernetes cronjobs

2018-09-19 Thread Daniel McGinnes
** Tags added: kernel-bug-reported-upstream -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1792349 Title: Memory leaking when running kubernetes cronjobs To manage notifications about this bug go to

[Bug 1792349] Re: Memory leaking when running kubernetes cronjobs

2018-09-19 Thread Daniel McGinnes
Bug reported - link to email is here -> https://www.spinics.net/lists/cgroups/msg20593.html I got a pretty positive response: Thank you for the very detailed and full report! We've experienced the same (or very similar problem), when memory cgroups were staying in the dying state for a long time,