# Copyright 2018 The Knative Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

apiVersion: v1
kind: ConfigMap
metadata:
  name: config-gc
  namespace: knative-serving
  labels:
    serving.knative.dev/release: devel

data:
  _example: |
    ################################
    #                              #
    #    EXAMPLE CONFIGURATION     #
    #                              #
    ################################

    # This block is not actually functional configuration,
    # but serves to illustrate the available configuration
    # options and document them in a way that is accessible
    # to users that `kubectl edit` this config map.
    #
    # These sample configuration options may be copied out of
    # this example block and unindented to be in the data block
    # to actually change the configuration.

    # Delay after revision creation before considering it for GC
    stale-revision-create-delay: "48h"

    # Duration since a route has pointed at the revision before it
    # should be GC'd.
    # This minus lastpinned-debounce must be longer than the controller
    # resync period (10 hours).
    stale-revision-timeout: "15h"

    # Minimum number of generations of revisions to keep before considering
    # them for GC
    stale-revision-minimum-generations: "20"

    # To avoid constant updates, we allow an existing annotation to be stale by this
    # amount before we update the timestamp.
    stale-revision-lastpinned-debounce: "5h"
