[jira] [Commented] (HADOOP-13597) Switch KMS from Tomcat to Jetty

["Wei-Chiu Chuang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-13597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15795365#comment-15795365 ] 

Wei-Chiu Chuang commented on HADOOP-13597:
------------------------------------------

Thanks [~jzhuge] and [~xiaochen] for driving forward this far. I think the patch is good to me.

There's one nit in doc CommandsManual.md though:
{quote}
However, the command does not support KMS server, because its web interface is based on Tomcat, which does not support the servlet.
{quote}
This statement will no longer be valid after this change.

> Switch KMS from Tomcat to Jetty
> -------------------------------
>
>                 Key: HADOOP-13597
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13597
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: kms
>    Affects Versions: 2.6.0
>            Reporter: John Zhuge
>            Assignee: John Zhuge
>         Attachments: HADOOP-13597.001.patch, HADOOP-13597.002.patch, HADOOP-13597.003.patch, HADOOP-13597.004.patch, HADOOP-13597.005.patch, HADOOP-13597.006.patch
>
>
> The Tomcat 6 we are using will reach EOL at the end of 2017. While there are other good options, I would propose switching to {{Jetty 9}} for the following reasons:
> * Easier migration. Both Tomcat and Jetty are based on {{Servlet Containers}}, so we don't have change client code that much. It would require more work to switch to {{JAX-RS}}.
> * Well established.
> * Good performance and scalability.
> Other alternatives:
> * Jersey + Grizzly
> * Tomcat 8
> Your opinions will be greatly appreciated.



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