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BUG 1858400: [Performance] Lease refresh period for machine-api-controllers is too high, causes heavy writes to etcd at idle #649

Merged
merged 5 commits into from
Jul 21, 2020
Merged

BUG 1858400: [Performance] Lease refresh period for machine-api-controllers is too high, causes heavy writes to etcd at idle #649

merged 5 commits into from
Jul 21, 2020

Commits on Jul 20, 2020

  1. Increate leader election lease time for vsphere 

    The machine-api-controller components are refreshing their lease more
than all other components combined. Bringing this to 90s each, will
decrease etcd writes at idle.
    @Danil-Grigorev
    Danil-Grigorev committed Jul 20, 2020
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  2. Increate leader election lease time for nodelink 

    The machine-api-controller components are refreshing their lease more
than all other components combined. Bringing this to 90s each, will
decrease etcd writes at idle.
    @Danil-Grigorev
    Danil-Grigorev committed Jul 20, 2020
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  3. Increate leader election lease time for machineset 

    The machine-api-controller components are refreshing their lease more
than all other components combined. Bringing this to 90s each, will
decrease etcd writes at idle.
    @Danil-Grigorev
    Danil-Grigorev committed Jul 20, 2020
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  4. Increate leader election lease time for machine-healthcheck 

    The machine-api-controller components are refreshing their lease more
than all other components combined. Bringing this to 90s each, will
decrease etcd writes at idle.
    @Danil-Grigorev
    Danil-Grigorev committed Jul 20, 2020
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  5. Enforce default leader elect lease duration to 90s for all controllers 

    Enforce this value in MAO deployment will ensure the value won't
be overritten by changed CLI defaults in the future.
    @Danil-Grigorev
    Danil-Grigorev committed Jul 20, 2020
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