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From Aleksandr Shulman <al...@cloudera.com>
Subject Re: Web UI for REST and Thrift
Date Mon, 04 Feb 2013 19:17:18 GMT
This would be really great to see Jimmy! We would need to provide a
sensible default webUI port to avoid conflicts upon upgrade. We should also
make it a command-line parameter like we do now with the service port.

-Aleks S.

On Sunday, February 3, 2013, Jimmy Xiang wrote:

> The web UI came with Hadoop provides some useful information about each
> server: for example, jmx, metrics, stacks, log level, conf, and so on.
> I was wondering should we add a web UI to REST and Thrift too, as we do for
> master and region server.
> REST is a little different.  It already hasa web server.  In working on
> HBASE-7738, I tried to add jmx/metrics servlet to the existing REST web
> server.
> We have to add several knobs to avoid path mapping conflicts between the
> new servlets and the existing REST paths.  I was wondering should we
> use a separate web server on a different port for example 8085. For Thrift,
> we can use 9095.  That's default port, can be configured.
> The benefit to have another web server in REST is that we can get all
> Hadoop http server features easily, and will never worry about path mapping
> conflicts.  The cons is that it needs another port.
> Thanks,
> Jimmy

Best Regards,

Aleks Shulman

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