April 2018
Intermediate to advanced
468 pages
14h 34m
English
Content preview from Mastering Kubernetes - Second Edition
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Federated auto-scaling
There is currently no support for federated auto-calling. There are two dimensions of scaling that can be utilized, as well as a combination:
- Per-cluster scaling
- Adding/removing clusters from the federation
- Hybrid approach
Consider the relatively simple scenario of a loosely coupled application running on three clusters with five pods in each cluster. At some point, 15 pods can't handle the load anymore. We need to add more capacity. We can increase the number of pods per cluster, but if we do it at the federation level than we will have six pods running in each cluster. We've increased the federation capacity by three pods, when only one pod is needed. Of course, if you have more clusters the problem gets worse. ...
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