Bug 1581862
Summary: | [3.7] Limit ranges are being applied with cpu-cfs-quota set to false | ||
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Product: | OpenShift Container Platform | Reporter: | Seth Jennings <sjenning> |
Component: | Node | Assignee: | Seth Jennings <sjenning> |
Status: | CLOSED ERRATA | QA Contact: | DeShuai Ma <dma> |
Severity: | urgent | Docs Contact: | |
Priority: | unspecified | ||
Version: | 3.7.0 | CC: | aos-bugs, bleanhar, dma, jokerman, mmccomas, tibrahim |
Target Milestone: | --- | ||
Target Release: | 3.7.z | ||
Hardware: | Unspecified | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | Doc Type: | Bug Fix | |
Doc Text: |
Fixes an issue where cfs_quota might still be set on a pod even when cpu-cfs-quota is set to false on the node
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Story Points: | --- |
Clone Of: | 1581409 | Environment: | |
Last Closed: | 2018-06-07 08:40:56 UTC | Type: | Bug |
Regression: | --- | Mount Type: | --- |
Documentation: | --- | CRM: | |
Verified Versions: | Category: | --- | |
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
Cloudforms Team: | --- | Target Upstream Version: | |
Embargoed: | |||
Bug Depends On: | 1581409, 1581863, 1582486, 1582487 | ||
Bug Blocks: | 1581860, 1581861 |
Comment 2
Seth Jennings
2018-05-25 15:02:36 UTC
Verify on v3.7.51 1. Set cpu-cfs-quota=false in /etc/origin/node/node-config.yaml then create a pod check the value of cpu.cfs_quota_us [root@ip-172-18-15-169 ~]# oc get po -n dma1 NAME READY STATUS RESTARTS AGE burstable-p95td 1/1 Running 0 3m [root@ip-172-18-15-169 ~]# oc get po -n dma1 -o yaml|grep uid openshift.io/scc: anyuid uid: 20e73511-623f-11e8-96f1-0ee986d138ca [root@ip-172-18-15-169 ~]# cat /sys/fs/cgroup/cpu/kubepods.slice/kubepods-burstable.slice/kubepods-burstable-pod20e73511_623f_11e8_96f1_0ee986d138ca.slice/cpu.cfs_quota_us -1 2. Set cpu-cfs-quota=true in /etc/origin/node/node-config.yaml then create a pod check the value of cpu.cfs_quota_us [root@ip-172-18-15-169 ~]# oc get po -n dma -w NAME READY STATUS RESTARTS AGE burstable-t9f62 0/1 ContainerCreating 0 6s burstable-t9f62 1/1 Running 0 9s [root@ip-172-18-15-169 ~]# oc get po -n dma -o yaml|grep uid openshift.io/scc: anyuid uid: e5e3caa1-623c-11e8-96f1-0ee986d138ca [root@ip-172-18-11-1 ~]# cat /sys/fs/cgroup/cpu/kubepods.slice/kubepods-burstable.slice/kubepods-burstable-pode5e3caa1_623c_11e8_96f1_0ee986d138ca.slice/cpu.cfs_quota_us 100000 Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2018:1798 |