From bf998026d24b78143235ba143a2eb665c205b782 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Cenk=20Alt=C4=B1?= Date: Mon, 29 Aug 2022 15:15:53 -0400 Subject: [PATCH] Fix scaling terminology Replace scale `up/down` terminology with `out/in` as the point is about adding more nodes to the cluster. - https://azure.microsoft.com/en-us/solutions/scaling-out-vs-scaling-up/ - https://www.dell.com/en-us/blog/the-difference-between-scale-up-and-scale-out/ --- .../docs/tasks/administer-cluster/configure-upgrade-etcd.md | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/content/en/docs/tasks/administer-cluster/configure-upgrade-etcd.md b/content/en/docs/tasks/administer-cluster/configure-upgrade-etcd.md index 3a5771e36e3..d63948f0ca8 100644 --- a/content/en/docs/tasks/administer-cluster/configure-upgrade-etcd.md +++ b/content/en/docs/tasks/administer-cluster/configure-upgrade-etcd.md @@ -314,11 +314,11 @@ ETCDCTL_API=3 etcdctl --endpoints=https://127.0.0.1:2379 \ ``` where `trusted-ca-file`, `cert-file` and `key-file` can be obtained from the description of the etcd Pod. -## Scaling up etcd clusters +## Scaling out etcd clusters -Scaling up etcd clusters increases availability by trading off performance. +Scaling out etcd clusters increases availability by trading off performance. Scaling does not increase cluster performance nor capability. A general rule -is not to scale up or down etcd clusters. Do not configure any auto scaling +is not to scale out or in etcd clusters. Do not configure any auto scaling groups for etcd clusters. It is highly recommended to always run a static five-member etcd cluster for production Kubernetes clusters at any officially supported scale.