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istio-testing merged 2 commits into from
Oct 11, 2019
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Clarify relationship between pods and workloads #5130

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Clarify relationship between pods and workloads
frankbu Oct 11, 2019
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Update content/en/docs/reference/glossary/pod.md
frankbu Oct 11, 2019
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5 changes: 4 additions & 1 deletion content/en/docs/reference/glossary/pod.md
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@@ -1,4 +1,7 @@
---
title: Pod
---
A Pod is a group of one or more containers (such as [Docker](https://www.docker.com/) containers), with shared storage/network, and a specification for how to run the containers. A pod is the smallest deployable unit of computing in [Kubernetes](https://kubernetes.io/docs/concepts/workloads/pods/pod-overview/).
A Pod is a group of one or more containers (such as [Docker](https://www.docker.com/) containers),
with shared storage and network, and a specification for how to run the containers.
Pods are the [workload instances](#workload-instance) in a
[Kubernetes](https://kubernetes.io/docs/concepts/workloads/pods/pod-overview/) deployment of Istio.
2 changes: 1 addition & 1 deletion content/en/docs/reference/glossary/workload-instance.md
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---
title: Workload Instance
---
A single instantiation of a workload's binary.
A single instantiation of a [workload's](#workload) binary.
A workload instance can expose zero or more [service endpoints](#service-endpoint),
and can consume zero or more [services](#service).

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3 changes: 2 additions & 1 deletion content/en/docs/reference/glossary/workload.md
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Expand Up @@ -7,5 +7,6 @@ using the following [attributes](#attribute):
* `source.workload.name`, `source.workload.namespace`, `source.workload.uid`
* `destination.workload.name`, `destination.workload.namespace`, `destination.workload.uid`

In Kubernetes, a workload typically corresponds to a Kubernetes deployment, while a workload instance corresponds to an individual pod managed
In Kubernetes, a workload typically corresponds to a Kubernetes deployment,
while a [workload instance](#workload-instance) corresponds to an individual pod managed
by the deployment.