Directly reference the PodDisruptionBudget (#14209)

* Define SLO acronym

Save people from having to search for the translation of SLO to Service-Level Objectives.

* replace SLO with direct PodDisruptionBudget reference
This commit is contained in:
andy stone
2019-05-08 14:40:34 -04:00
committed by Kubernetes Prow Robot
parent 0fe73a1890
commit 4a6e2b16dd
@@ -4,13 +4,12 @@ reviewers:
- mml - mml
- foxish - foxish
- kow3ns - kow3ns
title: Safely Drain a Node while Respecting Application SLOs title: Safely Drain a Node while Respecting the PodDisruptionBudget
content_template: templates/task content_template: templates/task
--- ---
{{% capture overview %}} {{% capture overview %}}
This page shows how to safely drain a machine, respecting the application-level This page shows how to safely drain a machine, respecting the PodDisruptionBudget you have defined.
disruption SLOs you have specified using PodDisruptionBudget.
{{% /capture %}} {{% /capture %}}
{{% capture prerequisites %}} {{% capture prerequisites %}}
@@ -46,11 +45,10 @@ documentation for more details.
When `kubectl drain` returns successfully, that indicates that all of When `kubectl drain` returns successfully, that indicates that all of
the pods (except the ones excluded as described in the previous paragraph) the pods (except the ones excluded as described in the previous paragraph)
have been safely evicted (respecting the desired graceful have been safely evicted (respecting the desired graceful termination period,
termination period, and without violating any application-level and respecting the PodDisruptionBudget you have defined). It is then safe to
disruption SLOs). It is then safe to bring down the node by powering bring down the node by powering down its physical machine or, if running on a
down its physical machine or, if running on a cloud platform, deleting its cloud platform, deleting its virtual machine.
virtual machine.
First, identify the name of the node you wish to drain. You can list all of the nodes in your cluster with First, identify the name of the node you wish to drain. You can list all of the nodes in your cluster with