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[UCP] Noise reduction support when cluster auto scaling #2307

Merged
merged 1 commit into from
May 27, 2020
Merged

[UCP] Noise reduction support when cluster auto scaling #2307

merged 1 commit into from
May 27, 2020

Commits on May 27, 2020

  1. auto scaling noise reduction support 

    * add AnnLastSyncingTimestamp timestamp
* add ReadyToScaleThresholdSeconds in AutoScalerSpec
* add AnnTiKVReadyToScaleTimestamp timestamp labels to record AutoScalerPhase
* add Normal, ReadyToScaleOut and ReadyToScaleIn three AutoScalerPhase
* add checkStsReadyAutoScalingTimestamp to check AutoScalerPhase
timestamp, only for TiKV
* add checkStsLastSyncTimestamp to check maximum thresholdSec allowed
before reset phase to Normal, only for TiKV
* add checkStsAutoScaling combine checkStsLastSyncTimestamp,
checkStsReadyAutoScalingTimestamp and checkStsAutoScalingInterval
* add unit tests
* add integration e2e tests
* update doc
    @vincent178
    vincent178 committed May 27, 2020
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