Bug 1810136
| Summary: | [4.2] A pod that gradually leaks memory causes node to become unreachable for 10 minutes | ||
|---|---|---|---|
| Product: | OpenShift Container Platform | Reporter: | Ryan Phillips <rphillips> |
| Component: | Node | Assignee: | Ryan Phillips <rphillips> |
| Status: | CLOSED ERRATA | QA Contact: | MinLi <minmli> |
| Severity: | high | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 4.4 | CC: | alklein, aos-bugs, brad.williams, ccoleman, cfillekes, chanphil, christian.lapolt, hannsj_uhl, Holger.Wolf, jerzhang, jokerman, jshepherd, krmoser, lakshmi.ravichandran1, lmohanty, minmli, mwoodson, nbziouec, rcgingra, rphillips, schoudha, tdale, wvoesch |
| Target Milestone: | --- | Keywords: | Reopened, Upgrades |
| Target Release: | 4.2.z | ||
| Hardware: | s390x | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | 1808429 | Environment: | |
| Last Closed: | 2020-07-01 16:08:20 UTC | Type: | --- |
| 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: | 1808429 | ||
| Bug Blocks: | 1765215, 1766237, 1801826, 1801829, 1802687 | ||
|
Comment 1
Ryan Phillips
2020-03-04 19:47:02 UTC
*** Bug 1802639 has been marked as a duplicate of this bug. *** verified with version : 4.4.0-0.nightly-2020-06-08-083627 memory-hog-pod got Evicted after 3m2s $ oc get pod -o wide NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES memory-hog-pod 0/1 Evicted 0 6m4s <none> ip-10-0-210-116.us-east-2.compute.internal <none> <none> $ oc describe node ip-10-0-210-116.us-east-2.compute.internal Name: ip-10-0-210-116.us-east-2.compute.internal Roles: worker ... Allocated resources: (Total limits may be over 100 percent, i.e., overcommitted.) Resource Requests Limits -------- -------- ------ cpu 547m (36%) 100m (6%) memory 2027Mi (29%) 537Mi (7%) ephemeral-storage 0 (0%) 0 (0%) hugepages-1Gi 0 (0%) 0 (0%) hugepages-2Mi 0 (0%) 0 (0%) attachable-volumes-aws-ebs 0 0 Events: Type Reason Age From Message ---- ------ ---- ---- ------- Warning EvictionThresholdMet 2m40s kubelet, ip-10-0-210-116.us-east-2.compute.internal Attempting to reclaim memory Normal NodeHasInsufficientMemory 2m33s kubelet, ip-10-0-210-116.us-east-2.compute.internal Node ip-10-0-210-116.us-east-2.compute.internal status is now: NodeHasInsufficientMemory 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-2020:2589 |