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Sean M. Collins 42a5055d3c Rename large-deploymets.md to large-deployments.md

Filename was a typo

2016-09-19 11:51:37 -04:00

Large deployments of K8s

For a large scaled deployments, consider the following configuration changes:

Tune ansible settings for forks and timeout vars to fit large numbers of nodes being deployed.
Override containers' foo_image_repo vars to point to intranet registry.
Override the download_run_once: true to download binaries and container images only once then push to nodes in batches.
Adjust the retry_stagger global var as appropriate. It should provide sane load on a delegate (the first K8s master node) then retrying failed push or download operations.

For example, when deploying 200 nodes, you may want to run ansible with --forks=50, --timeout=600 and define the retry_stagger: 60.