entityMap|0|type|LINK|mutability|MUTABLE|data|url|https://github.com/wercker/stern|blocks|key|3lepr|text|正如您从所链接的文档中所看到的：|unstyled|depth|inlineStyleRanges|entityRanges|1jj56|kubectl+logs+deploy/my-deployment+++++++++++++++++++++++++#+dump+Pod+logs+for+a+Deployment+(single-container+case)
kubectl+logs+deploy/my-deployment+-c+my-container+++++++++#+dump+Pod+logs+for+a+Deployment+(multi-container+case)|code-block|syntax|javascript|fhfo9|当您只有一个容器时，使用kubectl+logs+deploy/my-deployment。所以在你的情况下，可能是第一个。如果您有多个容器，则必须使用-c选项指定一个容器。|offset|length|style|CODE|54bd8|如果您希望拥有来自多个pod的日志，可以使用Stern|7d98c^0|0|0|C|X|24|2|0|M|5|0|0^^$0|$1|$2|3|4|5|6|$7|8]]]|9|@$A|B|C|D|2|E|F|W|G|@]|H|@]|6|$]]|$A|I|C|J|2|K|F|X|G|@]|H|@]|6|$L|M]]|$A|N|C|O|2|E|F|Y|G|@$P|Z|Q|10|R|S]|$P|11|Q|12|R|S]]|H|@]|6|$]]|$A|T|C|U|2|E|F|13|G|@]|H|@$P|14|Q|15|A|16]]|6|$]]|$A|V|C|-4|2|E|F|17|G|@]|H|@]|6|$]]]]

As you can see from the documentation you linked:
<pre><code>kubectl logs deploy/my-deployment # dump Pod logs for a Deployment (single-container case)
kubectl logs deploy/my-deployment -c my-container # dump Pod logs for a Deployment (multi-container case)
</code></pre>
<code>kubectl logs deploy/my-deployment</code> is used when you have just one container. So in your case is probably taking the first one. If you have multiple containers you have to specify one with <code>-c</code> option.
If you want to have logs from multiple pods, you can use <a href="https://github.com/wercker/stern" rel="nofollow noreferrer">Stern</a>

entityMap|blocks|key|6irpt|text|如果您的部署有多个pod副本，那么kubectl+logs+deployment/...会自己挑选一个。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|9phpq|下面是一个示例：|5rvtd|kubectl++get+pods+-n+kube-system+%7C+grep+coredns
coredns-78fcd69978-dqf95+++++++1/1+++++Running+++0++++++++++42h
coredns-78fcd69978-vgvf2+++++++1/1+++++Running+++0++++++++++42h|code-block|syntax|javascript|ak6mq|kubectl+logs+deployment/coredns+-n+kube-system+
Found+2+pods,+using+pod/coredns-78fcd69978-vgvf2|bicve^0|H|R|0|0|0|0^^$0|$]|1|@$2|3|4|5|6|7|8|Q|9|@$A|R|B|S|C|D]]|E|@]|F|$]]|$2|G|4|H|6|7|8|T|9|@]|E|@]|F|$]]|$2|I|4|J|6|K|8|U|9|@]|E|@]|F|$L|M]]|$2|N|4|O|6|K|8|V|9|@]|E|@]|F|$L|M]]|$2|P|4|-4|6|7|8|W|9|@]|E|@]|F|$]]]]

If your deployment has multiple pod replicas, then <code>kubectl logs deployment/...</code> will just pick one on its own.
Here is an example:
<pre><code>kubectl get pods -n kube-system | grep coredns
coredns-78fcd69978-dqf95 1/1 Running 0 42h
coredns-78fcd69978-vgvf2 1/1 Running 0 42h
</code></pre>
<pre><code>kubectl logs deployment/coredns -n kube-system 
Found 2 pods, using pod/coredns-78fcd69978-vgvf2
</code></pre>

entityMap|blocks|key|75crl|text|通过遵循提供的文档，当有多个Pod使用下面的命令时，它一次只显示一个Pod的日志，它将在某个时间点随机挑选一个。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|81fp|kubectl+get+pods+-n+kube-system+%7C+grep核心|bu2np|如果有多个容器，那么可以通过使用“-c”来指定，并提到容器名称。通过遵循Stren文档，可以从pod中的多个容器中获取日志。使用以下命令将显示多个容器数据。|8vhkb|kubectl日志部署/my-deployment容器my-+-c|4nfsa^0|0|0|0|0^^$0|$]|1|@$2|3|4|5|6|7|8|J|9|@]|A|@]|B|$]]|$2|C|4|D|6|7|8|K|9|@]|A|@]|B|$]]|$2|E|4|F|6|7|8|L|9|@]|A|@]|B|$]]|$2|G|4|H|6|7|8|M|9|@]|A|@]|B|$]]|$2|I|4|-4|6|7|8|N|9|@]|A|@]|B|$]]]]

By following documentation provided, when there are multiple Pods using the below command, it displays logs from only one Pod at a time it will pick randomly one at a point of time.
kubectl get pods -n kube-system | grep coredns
If there are multiple containers then one can specify by using “-c” and mention the container name.
By following the Stren documentation, one can get the logs from multiple containers within a pod. Using the below command will display the multiple container data.
kubectl logs deploy/my-deployment -c my-container

What is the purpose of <code>kubectl logs deploy/my-deployment</code> shown at <a href="https://kubernetes.io/docs/reference/kubectl/cheatsheet/#interacting-with-deployments-and-services" rel="nofollow noreferrer">https://kubernetes.io/docs/reference/kubectl/cheatsheet/#interacting-with-deployments-and-services</a>?
I would think it will show me logs from all the pods deployed as part of the <code>my-deployment</code> object. However, even though I have 2 pods in my deployment, that command shows logs from only one of them.

kubectl logs deploy/my-deployment does not show logs from all pods

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 在https://kubernetes.io/docs/reference/kubectl/cheatsheet/#interacting-with-deployments-and-services上显示的kubectl logs deploy/my-deployment的用途是什么 我认为它将显示作为my-depl...

问kubectl logs deploy/my-deployment不显示所有pod的日志
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