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update virtual cluster doc #1991

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Jan 16, 2019
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update virtual cluster doc #1991

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5224118
update virtual cluster doc
xwzheng1020 Jan 10, 2019
298c310
change vc's definition
xwzheng1020 Jan 11, 2019
813ce99
add description of vc capacity and availability
xwzheng1020 Jan 15, 2019
9b1e65e
fix typo
xwzheng1020 Jan 15, 2019
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9 changes: 9 additions & 0 deletions docs/webportal/README.md
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Expand Up @@ -115,6 +115,15 @@ Click the tab "Cluster View" to see the status of the whole cluster. Specificall
* Hardware: Hardware metrics of each machine.
* K8s Dashboard: The Kubernetes Dashboard.

### Virtual cluster management

Virtual cluster is a kind of [YARN Capacity Scheduler Queue](https://hadoop.apache.org/docs/current/hadoop-yarn/hadoop-yarn-site/CapacityScheduler.html). Click the tab "Virtual Cluster" to see virtual cluster's status and change virtual clusters for user and admin respectively. Specifically:

* Add a new virtual cluster
* Remove an obsolete virtual cluster
* Increase or decrease virtual cluster's capacity
* Change virtual cluster's availability
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can you explain a bit more in the document about the meaning of vc availability?

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I also add some description about capacity.


### Read documents

Click the tab "Documents" to read the tutorial of submitting a job.
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