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From "Shixiong Zhu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-13287) Standalone REST API throttling?
Date Fri, 02 Dec 2016 01:57:58 GMT

    [ https://issues.apache.org/jira/browse/SPARK-13287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15713735#comment-15713735
] 

Shixiong Zhu commented on SPARK-13287:
--------------------------------------

Right now there is no REST API for master. You use the REST APIs for driver to access Master
http server...

> Standalone REST API throttling?
> -------------------------------
>
>                 Key: SPARK-13287
>                 URL: https://issues.apache.org/jira/browse/SPARK-13287
>             Project: Spark
>          Issue Type: Bug
>          Components: Web UI
>    Affects Versions: 1.6.0
>            Reporter: Rares Vernica
>            Priority: Minor
>
> I am using the REST API provided by Spark Standalone mode to check on jobs. It turns
out that if I don't pause between requests the server will redirect me to the server homepage
instead of offering the requested information.
> Here is a simple test to prove this:
> {code:JavaScript}
> $ curl --silent http://localhost:8080/api/v1/applications/app-20160211003526-0037/jobs
| head -2 ; curl --silent http://localhost:8080/api/v1/applications/app-20160211003526-0037/jobs
| head -2
> [ {
>   "jobId" : 0,
> <!DOCTYPE html><html>
>       <head>
> {code}
> I am requesting the same information about one application twice using {{curl}}. I print
the first two lines from each response. The requests are made immediately one after another.
The first two lines are from the first request, the last two lines are from the second request.
Again, the request URLs are identical. The response from the second request is identical with
the homepage you get from http://localhost:8080/
> If I insert a {{sleep 1}} between the two {{curl}} commands, both work fine. For smaller
time outs, like {{sleep .8}} it does not work correctly.
> I am not sure if this is intentional or a bug.



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