Increase leader election lease time

Danil-Grigorev · Danil-Grigorev · commit dafb3ff392f1 · 2020-07-20T16:13:52.000+02:00
The machine-api-controller components are refreshing their lease more
than all other components combined. Bringing this to 90s each, will
decrease etcd writes at idle.
diff --git a/cmd/manager/main.go b/cmd/manager/main.go
@@ -70,7 +70,7 @@ func main() {
 
 	leaderElectLeaseDuration := flag.Duration(
 		"leader-elect-lease-duration",
-		15*time.Second,
+		90*time.Second,
 		"The duration that non-leader candidates will wait after observing a leadership renewal until attempting to acquire leadership of a led but unrenewed leader slot. This is effectively the maximum duration that a leader can be stopped before it is replaced by another candidate. This is only applicable if leader election is enabled.",
 	)
 

Original file line number	Diff line number	Diff line change
`@@ -70,7 +70,7 @@ func main() {`
`70`	`70`
`71`	`71`	`leaderElectLeaseDuration := flag.Duration(`
`72`	`72`	`"leader-elect-lease-duration",`
`73`		`- 15*time.Second,`
	`73`	`+ 90*time.Second,`
`74`	`74`	`"The duration that non-leader candidates will wait after observing a leadership renewal until attempting to acquire leadership of a led but unrenewed leader slot. This is effectively the maximum duration that a leader can be stopped before it is replaced by another candidate. This is only applicable if leader election is enabled.",`
`75`	`75`	`)`
`76`	`76`