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https://issues.apache.org/jira/browse/HADOOP-13597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15797457#comment-15797457
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Xiao Chen commented on HADOOP-13597:
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Thanks [~jojochuang] for the review. Good catch, searching for tomcat I can
also see {{SecureMode.md}} has a mention of tomcat, maybe better changed in the
httpfs jira though (since that goes in later). Also 1 reference of tomcat in
{{hadoop-common-project/hadoop-kms/dev-support/findbugsExcludeFile.xml}}, can
be updated here.
+1 pending those 2 nits though.
Since it's a fairly big and impactful patch, will let it float a few days in
case other watchers have comments. Plan to commit by Thursday if no objections.
> 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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