O'Reilly logo

The DevOps 2.2 Toolkit by Viktor Farcic

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Is it enough to have self-healing applied to services?

Self-healing applied to services is only the beginning. It is by no means enough. The system, as it is now, is far from being autonomous. At best, it can recuperate from a few types failures. If one replica of a service goes down, Swarm will do the right thing. Even a simultaneous failure of a few replicas should not be a cause for alarm. However, self-healing applied to services by itself does not contemplate many of the common circumstances.

Let us imagine that the sizing of a cluster is done in a way that around 80 percent of CPU and memory is utilized. Such a number, more or less, provides a good balance between having too many unused resources and under-provisioning our cluster. ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required