April 2018
Intermediate to advanced
468 pages
14h 34m
English
Content preview from Mastering Kubernetes - Second Edition
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Adding central logging
Central logging or cluster-level logging is a fundamental requirement for any cluster with more than a couple of nodes, pods, or containers. First, it is impractical to view the logs of each pod or container independently. You can't get a global picture of the system, and there will be just too many messages to sift through. You need a solution that aggregates the log messages and lets you slice and dice them easily. The second reason is that containers are ephemeral. Problematic pods will often just die, and their replication controller or replica set will just start a new instance, losing all the important log info. By logging to a central logging service, you preserve this critical troubleshooting information.
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