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Set maxSurge to 20% for safe rolling upgrade (#1321)

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This commit is contained in:
Ta-Ching Chen
2019-09-23 16:11:56 +08:00
committed by GitHub
parent 7bd57c208a
commit 82a7acf408
1 changed files with 9 additions and 1 deletions
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pkg/executor/newdeploy/newdeploy.go
+9 -1
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@@ -180,8 +180,16 @@ func (deploy *NewDeploy) getDeploymentSpec(fn *fv1.Function, env *fv1.Environmen
}
resources := deploy.getResources(env, fn)
// Set maxUnavailable and maxSurge to 20% is because we want
// fission to rollout newer function version gradually without
// affecting any online service. For example, if you set maxSurge
// to 100%, the new ReplicaSet scales up immediately and may
// consume all remaining compute resources which might be an
// issue if a cluster's resource is on a budget.
// TODO: add to ExecutionStrategy so that the user
// can do more fine control over different functions.
maxUnavailable := intstr.FromString("20%")
maxSurge := intstr.FromString("100%")
maxSurge := intstr.FromString("20%")
// Newdeploy updates the environment variable "LastUpdateTimestamp" of deployment
// whenever a configmap/secret gets an update, but it also leaves multiple ReplicaSets for