From 21ce19255f31ffc1da5bc651f62c18be84f66cff Mon Sep 17 00:00:00 2001 From: Vikram Yadav Date: Fri, 7 Jul 2023 16:54:35 -0400 Subject: [PATCH] Document current behaviour of scaling down with activation scale (#5619) Related Issue: https://github.com/knative/serving/issues/14017 --- docs/serving/autoscaling/scale-bounds.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/docs/serving/autoscaling/scale-bounds.md b/docs/serving/autoscaling/scale-bounds.md index fef579f8f2..a3fcd50ca3 100644 --- a/docs/serving/autoscaling/scale-bounds.md +++ b/docs/serving/autoscaling/scale-bounds.md @@ -185,6 +185,9 @@ When the Revision is created, the larger of initial scale and lower bound is aut ## Scale Up Minimum This value controls the minimum number of replicas that will be created when the Revision scales up from zero. +After the Revision has reached this scale one time, this value is ignored. This means that the Revision will scale down after the activation scale is reached if the actual traffic received needs a smaller scale. + +When the Revision is created, the larger of activation scale and lower bound is automatically chosen as the initial target scale. * **Global key:** n/a * **Per-revision annotation key:** `autoscaling.knative.dev/activation-scale`