Bug 1768315

Summary:	"endpoints informer unable to sync cache" error in prometheus container logs
Product:	OpenShift Container Platform	Reporter:	Junqi Zhao <juzhao>
Component:	Monitoring	Assignee:	Simon Pasquier <spasquie>
Status:	CLOSED ERRATA	QA Contact:	Junqi Zhao <juzhao>
Severity:	low	Docs Contact:
Priority:	low
Version:	4.3.0	CC:	alegrand, anpicker, erooth, kakkoyun, lcosic, mloibl, pkrupa, surbania
Target Milestone:	---
Target Release:	4.3.0
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-01-23 11:10:26 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:

Description Junqi Zhao 2019-11-04 02:39:31 UTC

Description of problem:
a few "endpoints informer unable to sync cache" errors, but it seems it does not affect the function, we talked about it with Simon in 4.2, and decide to change its log-level
# oc -n openshift-monitoring log -c prometheus prometheus-k8s-1 | grep "endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.729Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.729Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.729Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.729Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.729Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.729Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.729Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.729Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.729Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.729Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.729Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.730Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.730Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.731Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.731Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.731Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.731Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.731Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.731Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.731Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.731Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.731Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.731Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.731Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.731Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.731Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.731Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.731Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.731Z caller=endpoints.go:131 component="discovery manager scrape" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"
level=error ts=2019-11-04T00:59:41.773Z caller=endpoints.go:131 component="discovery manager notify" discovery=k8s role=endpoint msg="endpoints informer unable to sync cache"


Version-Release number of selected component (if applicable):
4.3.0-0.nightly-2019-11-02-092336

How reproducible:
Always

Steps to Reproduce:
1.
2.
3.

Actual results:


Expected results:


Additional info:

Comment 5 Junqi Zhao 2019-11-19 02:47:32 UTC

Issue is fixed with 4.3.0-0.nightly-2019-11-17-224250

Comment 7 errata-xmlrpc 2020-01-23 11:10:26 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, 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-2020:0062