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https://issues.apache.org/jira/browse/YARN-7781?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16341700#comment-16341700
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Gour Saha commented on YARN-7781:
---------------------------------
Thanks [~jianhe] for the patch. Quick comments -
1. In YarnServiceAPI.md:
Seems like "|false|string||" moved to a new line instead of being on the same
line for "principal_name".
2. Fix the 2 whitespace errors.
3. In YARN-Services-Examples.md in the below section, is the "name" attribute
with value "hello" required? The URI path already says that it is for the
component name hello. So we should not need anything other than
"number_of_containers" in the body.
{noformat}
### Update to flex up/down the number of containers (instances) of a component
of a service
PUT URL - http://localhost:8088/app/v1/services/hello-world/components/hello
##### PUT Request JSON
```json
{
"name": "hello",
"number_of_containers": 3
}
{noformat}
4. Don't we support a PUT URL –
[http://localhost:8088/app/v1/services/hello-world] where we can pass a single
JSON and flex multiple components in a single API call? This is what I
mentioned in point 1 in this jira description.
> Update YARN-Services-Examples.md to be in sync with the latest code
> -------------------------------------------------------------------
>
> Key: YARN-7781
> URL: https://issues.apache.org/jira/browse/YARN-7781
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Gour Saha
> Assignee: Jian He
> Priority: Major
> Attachments: YARN-7781.01.patch
>
>
> Update YARN-Services-Examples.md to make the following additions/changes:
> 1. Add an additional URL and PUT Request JSON to support flex:
> Update to flex up/down the no of containers (instances) of a component of a
> service
> PUT URL – http://localhost:9191/app/v1/services/hello-world
> PUT Request JSON
> {code}
> {
> "components" : [ {
> "name" : "hello",
> "number_of_containers" : 3
> } ]
> }
> {code}
> 2. Modify all occurrences of /ws/ to /app/
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