Support adding label based indexes to apiserver cache

[chenchun]

Enhancement Description

• One-line enhancement description (can be used as a release note): Support adding label based indexes to apiserver cache to improve list and watch performance for running Spark and Flink workloads
• Kubernetes Enhancement Proposal: https://github.com/kubernetes/enhancements/pull/4934
• Discussion Link: https://github.com/kubernetes/kubernetes/pull/126284
• Primary contact (assignee): @chenchun
• Responsible SIGs: sig-api-machinery
• Enhancement target (which target equals to which milestone):
  • Alpha release target (x.y):
  • Beta release target (x.y):
  • Stable release target (x.y):
• [ ] Alpha
  • [x] KEP (k/enhancements) update PR(s): https://github.com/kubernetes/enhancements/pull/4934
  • [x] Code (k/k) update PR(s): https://github.com/kubernetes/kubernetes/pull/126284
  • [ ] Docs (k/website) update PR(s):

Please keep this description up to date. This will help the Enhancement Team to track the evolution of the enhancement efficiently.

[chenchun]

/sig api-machinery