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Re: Disable CPU limits in Openshift V4

Thank you for this interesting link randall, didn't know about it 'til now :D
That could explain some unconstant efficiency on one of our application made of crappy java programs.

2014-09-23 15:54 GMT+02:00 <Randall_Theobald dell com>:

Dell Customer Communication

You might be hitting the watchman throttler. Check out this RH article for some details (if you have access):


How does the OpenShift throttler plugin work and how can it be configured?



Randall Theobald

Common Engineering – Performance

Dell Software Group  |  Office of the CTO

randall_theobald at dell.com  |  RR1-C336


From: Andrei Colta [mailto:andrey colta gmail com]
Sent: Monday, September 22, 2014 3:07 PM
To: Philibert Romain
Cc: users; dev lists openshift redhat com
Subject: Re: Disable CPU limits in Openshift V4



Basically this is the default, and it doesn't work.

I have tested with stress and only after stopping cgconfig and cgred services  cpu limit got removed, but still need to investigate and test.



On Mon, Sep 22, 2014 at 5:58 PM, Philibert Romain <romain philibert worldline com> wrote:

Hi Andrei


You can change cpu_cfs_quota_us to 100000 in resource_limits.conf



It will remove the quota on the CPU.

You want more informations about CPU Cgroup, take a look at https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Resource_Management_Guide/sec-cpu.html





De : users-bounces lists openshift redhat com [mailto:users-bounces lists openshift redhat com] De la part de Andrei Colta
Envoyé : lundi 22 septembre 2014 16:54
À : users; dev lists openshift redhat com
Objet : Disable CPU limits in Openshift V4


Hello all,

I would like to disable CPU limits for all APPs/gears on a specific node.

Does anyone knows how to do this?



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