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Update the deployment document for Citadel replica (#4026) 

* Update the deployment document for Citadel replica

* Fix lint error
This commit is contained in:
lei-tang 2019-04-24 10:24:21 -07:00 committed by istio-bot
parent 656f35e1af
commit d138bd479b
1 changed files with 2 additions and 1 deletions
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content/docs/setup/kubernetes/upgrade/steps/index.md
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@ -10,7 +10,8 @@ control plane and the sidecar proxies, to a new release of Istio. The upgrade
process may install new binaries and may change configuration and API schemas.
The upgrade process may result in service downtime. To minimize downtime,
please ensure your Istio control plane components and your applications are
highly available with multiple replicas.
highly available with multiple replicas (as multi-replica Citadel is still
under development, Citadel should be deployed with one replica).
This flow assumes that the Istio components are installed and upgraded in the
`istio-system` namespace.