Guang Yang commented on HBASE-12894:

Hi [~ted_yu], are you working on this?

We recently moved to Jetty 9 for REST and see good performance (will share more 
later), if you haven't started on this, I can work on a patch against master 
branch for review.

As for this effort, there are two things needs some discussion though: 1) Jetty 
9 needs JDK 8, which means we will need to move to JDK 8 at the same time. 2) 
The infoserver from HDFS is still on Jetty 6, so that we run both Jetty 9 and 
Jetty 6 together, that seems not a problem though per our testing as they are 
in different namespaces.


> Upgrade Jetty to 9.2.6
> ----------------------
>                 Key: HBASE-12894
>                 URL: https://issues.apache.org/jira/browse/HBASE-12894
>             Project: HBase
>          Issue Type: Improvement
>          Components: REST
>    Affects Versions: 0.98.0
>            Reporter: Rick Hallihan
>            Assignee: Ted Yu
>              Labels: MicrosoftSupport
>             Fix For: 2.0.0
> The Jetty component that is used for the HBase Stargate REST endpoint is 
> version 6.1.26 and is fairly outdated. We recently had a customer inquire 
> about enabling cross-origin resource sharing (CORS) for the REST endpoint and 
> found that this older version does not include the necessary filter or 
> configuration options, highlighted at: 
> http://wiki.eclipse.org/Jetty/Feature/Cross_Origin_Filter
> The Jetty project has had significant updates through versions 7, 8 and 9, 
> including a transition to be an Eclipse subproject, so updating to the latest 
> version may be non-trivial. The last update to the Jetty component in 
> https://issues.apache.org/jira/browse/HBASE-3377 was a minor version update 
> and did not require significant work. This update will include a package 
> namespace update so there will likely be a larger number of required changes. 

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