title: Efficient watch resumption after kube-apiserver reboot
kep-number: 1904
authors:
  - "@wojtek-t"
owning-sig: sig-api-machinery
participating-sigs:
  - sig-scalability
status: implemented
creation-date: 2020-07-23
last-updated: 2022-05-09
reviewers:
  - "@jpbetz"
approvers:
  - "@deads2k"
  - "@lavalamp"
see-also:
  - "/keps/sig-api-machinery/20191210-consistent-reads-from-cache.md"
replaces:

# The target maturity stage in the current dev cycle for this KEP.
stage: stable

# The most recent milestone for which work toward delivery of this KEP has been
# done. This can be the current (upcoming) milestone, if it is being actively
# worked on.
latest-milestone: "v1.24"

# The milestone at which this feature was, or is targeted to be, at each stage.
milestone:
  alpha: "v1.20"
  beta: "v1.21"
  stable: "v1.24"

# The following PRR answers are required at alpha release
# List the feature gate name and the components for which it must be enabled
feature-gates:
  - name: EfficientWatchResumption
    components:
      - kube-apiserver
disable-supported: true

# The following PRR answers are required at beta release
metrics:
  - etcd_bookmark_counts
