joshfischer1108 commented on a change in pull request #3725:
URL: https://github.com/apache/incubator-heron/pull/3725#discussion_r748516945
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File path: website2/docs/schedulers-k8s-persistent-volume-claims.md
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@@ -24,7 +24,9 @@ sidebar_label: Kubernetes Persistent Volume Claims (CLI)
<br/>
-It is possible to leverage Persistent Volumes with custom Pod Templates. The
CLI commands allow you to configure a Persistent Volume Claim (dynamically or
statically backed) when you submit your topology. They also permit you to
configure a Persistent Volume without a custom Pod Template. The CLI commands
override any configurations you may have present in the Pod Template, but
Heron's configurations will take precedence over all others.
+It is possible to leverage Persistent Volumes with custom Pod Templates but
the Volumes you add will be shared amongst all Pods in the topology. Please
leverage Pod Templates if you require Volumes which are shared amongst the
entire topology.
+
+The CLI commands allow you to configure a Persistent Volume Claim (dynamically
or statically backed) which will be unique and isolated to each Pod and mounted
in a single `Executor` when you submit your topology. They also permit you to
configure a Persistent Volume without a custom Pod Template which will be
specific to an individual Pod. The CLI commands override any configurations you
may have present in the Pod Template, but Heron's configurations will take
precedence over all others.
Review comment:
It would be good to describe why someone would use a persistent volume
claim with Heron.
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