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controller: jitter requeue interval #1184

Merged
merged 3 commits into from
Aug 7, 2023
Merged

controller: jitter requeue interval #1184

merged 3 commits into from
Aug 7, 2023

Commits on Aug 7, 2023

  1. controller: jitter requeue interval 

    This adds a `--interval-jitter-percentage` flag to the controller to
add a +/- percentage jitter to the interval defined in resources
(defaults to 10%).

Effectively, this results in a reconcilation every 4.5 - 5.5 minutes
for a resource with an interval of 5 minutes.

Main reason to add this change is to mitigate spikes in memory and
CPU usage caused by many resources being configured with the same
interval.

Signed-off-by: Hidde Beydals <[email protected]>
    @hiddeco
    hiddeco committed Aug 7, 2023
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  2. api: document jitter effect on interval fields 

    Signed-off-by: Hidde Beydals <[email protected]>
    @hiddeco
    hiddeco committed Aug 7, 2023
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  3. spec: add note about jitter in interval sections 

    Signed-off-by: Hidde Beydals <[email protected]>
    @hiddeco
    hiddeco committed Aug 7, 2023
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