2078988 – network-metrics-daemon makes costly global pod list calls scaling per node

Bug 2078988 - network-metrics-daemon makes costly global pod list calls scaling per node

Summary: network-metrics-daemon makes costly global pod list calls scaling per node

Keywords:
Status:	CLOSED ERRATA
Alias:	None
Product:	OpenShift Container Platform
Classification:	Red Hat
Component:	Networking
Sub Component:
Version:	4.8
Hardware:	Unspecified
OS:	Unspecified
Priority:	high
Severity:	high
Target Milestone:	---
Target Release:	4.10.z
Assignee:	Sebastian Scheinkman
QA Contact:	Weibin Liang
Docs Contact:
URL:
Whiteboard:
Depends On:	2078954
Blocks:	2064371 2087049
TreeView+	depends on / blocked

Reported:	2022-04-26 16:25 UTC by OpenShift BugZilla Robot
Modified:	2022-05-23 13:25 UTC (History)
CC List:	0 users
Fixed In Version:
Doc Type:	If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed:	2022-05-23 13:25:10 UTC
Target Upstream Version:
Embargoed:

Attachments	(Terms of Use)

Links
System	ID	Private	Priority	Status	Summary	Last Updated
Github	openshift network-metrics-daemon pull 50	0	None	open	[release-4.10] Bug 2078988: Fix field selector	2022-04-28 09:03:17 UTC
Red Hat Product Errata	RHBA-2022:2258	0	None	None	None	2022-05-23 13:25:34 UTC

Comment 3 Weibin Liang 2022-05-17 18:39:37 UTC

Scale a cluster with 18182 pods, did't see large range reads on pods in 4.10.15

[weliang@weliang ~]$ oc get clusterversion
NAME      VERSION   AVAILABLE   PROGRESSING   SINCE   STATUS
version   4.10.15   True        False         3h15m   Cluster version is 4.10.15
[weliang@weliang ~]$ oc get pod --all-namespaces | wc -l
18182
[weliang@weliang ~]$ oc logs etcd-ip-10-0-138-182.us-east-2.compute.internal -c etcd | grep range_response_count
{"level":"warn","ts":"2022-05-17T15:21:00.400Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"734.568921ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/namespaces/default\" serializable:true keys_only:true ","response":"range_response_count:1 size:53"}
{"level":"warn","ts":"2022-05-17T15:21:00.400Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"406.379952ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/namespaces/default\" serializable:true keys_only:true ","response":"range_response_count:1 size:53"}
{"level":"warn","ts":"2022-05-17T15:21:00.400Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"481.785683ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/secrets/openshift-kube-apiserver/node-kubeconfigs\" ","response":"range_response_count:1 size:43450"}
{"level":"warn","ts":"2022-05-17T15:21:00.400Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"776.801648ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/persistentvolumeclaims/\" range_end:\"/kubernetes.io/persistentvolumeclaims0\" count_only:true ","response":"range_response_count:0 size:6"}
{"level":"warn","ts":"2022-05-17T15:21:00.400Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"501.658103ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/namespaces/default\" keys_only:true ","response":"range_response_count:1 size:53"}
{"level":"warn","ts":"2022-05-17T15:21:00.400Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"590.435979ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/operators.coreos.com/operatorconditions/\" range_end:\"/kubernetes.io/operators.coreos.com/operatorconditions0\" count_only:true ","response":"range_response_count:0 size:8"}
{"level":"warn","ts":"2022-05-17T15:21:00.405Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"323.740459ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/rolebindings/openshift-kube-controller-manager/system:openshift:leader-election-lock-cluster-policy-controller\" ","response":"range_response_count:1 size:729"}
{"level":"warn","ts":"2022-05-17T15:21:00.405Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"316.262942ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/configmaps/openshift-kube-controller-manager-operator/csr-signer-ca\" ","response":"range_response_count:1 size:2691"}
{"level":"warn","ts":"2022-05-17T15:21:00.405Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"209.496173ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/operators.coreos.com/clusterserviceversions/\" range_end:\"/kubernetes.io/operators.coreos.com/clusterserviceversions0\" count_only:true ","response":"range_response_count:0 size:8"}
{"level":"warn","ts":"2022-05-17T15:21:00.405Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"260.770344ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/apiregistration.k8s.io/apiservices/v1.build.openshift.io\" ","response":"range_response_count:1 size:3087"}
{"level":"warn","ts":"2022-05-17T16:01:11.375Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"1.422025337s","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/serviceaccounts/openshift-cluster-csi-drivers/aws-ebs-csi-driver-node-sa\" ","response":"range_response_count:1 size:421"}
{"level":"warn","ts":"2022-05-17T16:01:11.377Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"1.168266953s","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/configmaps/kube-system/kube-controller-manager\" ","response":"range_response_count:1 size:610"}
{"level":"warn","ts":"2022-05-17T16:01:11.377Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"536.053839ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/namespaces/default\" keys_only:true ","response":"range_response_count:1 size:53"}
{"level":"warn","ts":"2022-05-17T16:01:11.377Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"995.567988ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/namespaces/default\" keys_only:true ","response":"range_response_count:1 size:53"}
{"level":"warn","ts":"2022-05-17T16:01:11.377Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"333.888874ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/apiserver.openshift.io/apirequestcounts/clusterautoscalers.v1.autoscaling.openshift.io\" ","response":"range_response_count:1 size:8551"}
{"level":"warn","ts":"2022-05-17T16:01:11.377Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"1.053947255s","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"health\" ","response":"range_response_count:0 size:6"}
{"level":"warn","ts":"2022-05-17T16:01:11.377Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"1.061312234s","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/secrets/openshift-kube-controller-manager/localhost-recovery-client-token\" ","response":"range_response_count:1 size:17769"}
{"level":"warn","ts":"2022-05-17T16:01:11.377Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"711.199346ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/openshift.io/health\" ","response":"range_response_count:0 size:6"}
{"level":"warn","ts":"2022-05-17T16:07:56.543Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"1.023969125s","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/ranges/servicenodeports\" ","response":"range_response_count:1 size:417"}
{"level":"warn","ts":"2022-05-17T16:07:56.543Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"769.617625ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/namespaces/kube-node-lease\" ","response":"range_response_count:1 size:748"}
{"level":"warn","ts":"2022-05-17T16:07:56.543Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"296.861477ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/namespaces/default\" keys_only:true ","response":"range_response_count:1 size:53"}
{"level":"warn","ts":"2022-05-17T16:07:56.543Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"785.427626ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/namespaces/default\" keys_only:true ","response":"range_response_count:1 size:53"}
{"level":"warn","ts":"2022-05-17T16:07:56.543Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"984.031134ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/flowschemas/probes\" ","response":"range_response_count:1 size:1072"}
{"level":"warn","ts":"2022-05-17T16:07:56.543Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"777.79829ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/operators.coreos.com/operatorgroups/\" range_end:\"/kubernetes.io/operators.coreos.com/operatorgroups0\" count_only:true ","response":"range_response_count:0 size:8"}
{"level":"warn","ts":"2022-05-17T16:07:56.543Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"1.003726702s","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/services/specs/\" range_end:\"/kubernetes.io/services/specs0\" ","response":"range_response_count:79 size:124006"}
{"level":"warn","ts":"2022-05-17T16:07:56.544Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"422.693867ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/events/\" range_end:\"/kubernetes.io/events0\" count_only:true ","response":"range_response_count:0 size:9"}
{"level":"warn","ts":"2022-05-17T16:16:57.534Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"266.245612ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/serviceaccounts/openshift-kube-controller-manager/localhost-recovery-client\" ","response":"range_response_count:1 size:424"}
{"level":"warn","ts":"2022-05-17T16:55:43.017Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"206.476515ms","expected-duration":"200ms","prefix":"read-only range ","request":"limit:1 keys_only:true ","response":"range_response_count:0 size:6"}
{"level":"warn","ts":"2022-05-17T17:41:19.937Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"244.776847ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/health\" ","response":"range_response_count:0 size:6"}
{"level":"warn","ts":"2022-05-17T18:02:58.241Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"258.801481ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/namespaces/default\" keys_only:true ","response":"range_response_count:1 size:53"}
{"level":"warn","ts":"2022-05-17T18:09:12.672Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"267.265282ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/serviceaccounts/openshift-cloud-network-config-controller/cloud-network-config-controller\" ","response":"range_response_count:1 size:1066"}
{"level":"warn","ts":"2022-05-17T18:09:12.676Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"214.171925ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/operator.openshift.io/openshiftcontrollermanagers/cluster\" ","response":"range_response_count:1 size:3731"}
{"level":"warn","ts":"2022-05-17T18:09:12.676Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"240.634034ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/network.openshift.io/clusternetworks/default\" ","response":"range_response_count:1 size:1106"}
{"level":"warn","ts":"2022-05-17T18:09:12.676Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"262.325664ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/minions/\" range_end:\"/kubernetes.io/minions0\" ","response":"range_response_count:27 size:169702"}
{"level":"warn","ts":"2022-05-17T18:15:04.499Z","caller":"etcdserver/util.go:166","msg":"apply request took too long","took":"223.187298ms","expected-duration":"200ms","prefix":"read-only range ","request":"key:\"/kubernetes.io/apiextensions.k8s.io/customresourcedefinitions/operatorconditions.operators.coreos.com\" ","response":"range_response_count:1 size:19449"}
[weliang@weliang ~]$

Comment 5 errata-xmlrpc 2022-05-23 13:25:10 UTC

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 (OpenShift Container Platform 4.10.15 bug fix update), 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-2022:2258

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