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openkruise / kruise

Automated management of large-scale applications on Kubernetes (incubating project under CNCF)
https://openkruise.io
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Feature/CloneSet supports hot-standy pods management #1763

Open yenniechen opened 2 months ago

yenniechen commented 2 months ago

Ⅰ. Describe what this PR does

add feature that CloneSet supports hot-standby pods management

Ⅱ. Does this pull request fix one issue?

fixes #1762

Ⅲ. Describe how to verify it

  1. ClonetSet CRD supports defining the desired hot-standby replicas in Spec and related replicas statistic in Status
  2. CloneSet supports hot-standby management, such as: a. creating hot-standby pods while creating workload with the desired hot-standby replicas greater than 0. b. creating hot-standby pods while the desired hot-standby replicas increasing. c. inplace updating or recreating hot-standby pods while pod template changing. d. deleting hot-standby pods while hot-standby replicas decreasing e. deleting hot-standby pods while workload deleting. f. recovering hot-standby pods to normal firstly while scaling out and then creating hot-standby pods until its num equal to the desired hot-standby replicas.

Ⅳ. Special notes for reviews

furykerry commented 2 months ago

can you submit a kep first https://github.com/openkruise/kruise/tree/master/docs/proposals ?

yenniechen commented 2 months ago

can you submit a kep first https://github.com/openkruise/kruise/tree/master/docs/proposals ?

ok

ABNER-1 commented 1 month ago

Hello @yenniechen . Would you like to join our WeChat or DingTalk group? Alternatively, how can I reach out to you?