Jan Chaloupka 392fc6668f Jittering periods of some kubelet's sync loops: ...

- pod_workers: pod syncing
- prober workers: container syncing

In order to synchronize the current state of Kubernetes's objects (e.g. pods, containers, etc.),
periodic synch loops are run. When there is a lot of objects to synchronize with,
loops increase communication traffic. At some point when all the traffic interfere cpu usage curve
hits the roof causing 100% cpu utilization.

To distribute the traffic in time, some sync loops can jitter their period in each loop
and help to flatten the curve.

2016-02-09 15:22:22 +01:00

7.6 KiB

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