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From Andrew Or <and...@databricks.com>
Subject Re: Web UI
Date Thu, 04 Sep 2014 18:10:56 GMT
Hi all,

The JSON version of the web UI is not officially supported; I don't believe
this is documented anywhere.

The alternative is to set `spark.eventLog.enabled` to true before running
your application. This will create JSON SparkListenerEvents with details
about each task and stage as a log file. Then you can easily reconstruct
the web UI after the application has exited. This is what the standalone
Master and the History Server does, actually. For local mode, you can use
the latter to generate your UI after the fact. (This is documented here:
http://spark.apache.org/docs/latest/monitoring.html).

-Andrew


2014-09-04 5:28 GMT-07:00 Ruebenacker, Oliver A <
Oliver.Ruebenacker@altisource.com>:

>
>
>      Hello,
>
>
>
>   Thanks for the link – this is for standalone, though, and most URLs
> don’t work for local.
>
>   I will look into deploying as standalone on a single node for testing
> and development.
>
>
>
>      Best, Oliver
>
>
>
> *From:* Akhil Das [mailto:akhil@sigmoidanalytics.com]
> *Sent:* Thursday, September 04, 2014 3:09 AM
> *To:* Ruebenacker, Oliver A
> *Cc:* Wonha Ryu; user@spark.apache.org
> *Subject:* Re: Web UI
>
>
>
> Hi
>
>
>
> You can see this doc
> <https://spark.apache.org/docs/latest/spark-standalone.html#configuring-ports-for-network-security>
> for all the available webUI ports.
>
>
>
> Yes there are ways to get the data metrics in Json format, One of them is
> below:
>
>
>
>  *​​*
>
> *http://webUI:8080/json/ <http://webUI:8080/json/>*  Or simply
>
> *​​*
>
> *curl webUI:8080/json/*
>
>
>
> There are some PRs about it you can read it over here
> https://github.com/apache/spark/pull/1682
>
>
>   Thanks
>
> Best Regards
>
>
>
> On Thu, Sep 4, 2014 at 2:24 AM, Ruebenacker, Oliver A <
> Oliver.Ruebenacker@altisource.com> wrote:
>
>
>
>      Hello,
>
>
>
>   Interestingly, http://localhost:4040/metrics/json/ gives some numbers,
> but only a few which never seem to change during the application’s lifetime.
>
>
>
>   Either the web UI has some very strange limitations, or there are some
> URLs yet to be discovered that do something interesting.
>
>
>
>      Best,
>
>      Oliver
>
>
>
>
>
> *From:* Wonha Ryu [mailto:wonha.ryu@gmail.com]
> *Sent:* Wednesday, September 03, 2014 4:27 PM
>
>
> *To:* Ruebenacker, Oliver A
> *Cc:* user@spark.apache.org
> *Subject:* Re: Web UI
>
>
>
> Hey Oliver,
>
>
>
> IIRC there's no JSON endpoint for application web UI. They only exist for
> cluster master and worker.
>
>
>
> - Wonha
>
>
>
>
>
> On Wed, Sep 3, 2014 at 12:58 PM, Ruebenacker, Oliver A <
> Oliver.Ruebenacker@altisource.com> wrote:
>
>
>
>      Hello,
>
>
>
>   Thanks for the help! But I tried starting with “–master local[4]” and
> when I load http://localhost:4040/json I just get forwarded to
> http://localhost:4040/stages/, and it’s all human-readable HTML, no JSON.
>
>
>
>      Best,
>
>      Oliver
>
>
>
>
>
> *From:* Wonha Ryu [mailto:wonha.ryu@gmail.com]
> *Sent:* Wednesday, September 03, 2014 3:36 PM
> *To:* Ruebenacker, Oliver A
> *Cc:* user@spark.apache.org
> *Subject:* Re: Web UI
>
>
>
> Hi Oliver,
>
>
>
> Spark standalone master and worker support '/json' endpoint in web UI,
> which returns some of the information in JSON format.
>
> I wasn't able to find relevant documentation, though.
>
>
>
> - Wonha
>
>
>
> On Wed, Sep 3, 2014 at 12:12 PM, Ruebenacker, Oliver A <
> Oliver.Ruebenacker@altisource.com> wrote:
>
>
>
>      Hello,
>
>
>
>   What is included in the Spark web UI? What are the available URLs? Can
> the information be obtained in a machine-readable way (e.g. JSON, XML, etc)?
>
>
>
>   Thanks!
>
>
>
>      Best,
>
>      Oliver
>
>
>
> Oliver Ruebenacker | Solutions Architect
>
>
>
> Altisource™
>
> 290 Congress St, 7th Floor | Boston, Massachusetts 02210
>
> P: (617) 728-5582 | ext: 275585
>
> Oliver.Ruebenacker@Altisource.com | www.Altisource.com
>
>
>
>
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