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https://issues.apache.org/jira/browse/HADOOP-13597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15733584#comment-15733584
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John Zhuge edited comment on HADOOP-13597 at 12/8/16 10:27 PM:
---------------------------------------------------------------
However, do realize that the last {{elif}} condition can be omitted and changed
to {{else}}:
{code}
if [[ -z "${oldval}" ]]; then
return
elif [[ -z "${newvar}" ]]; then
hadoop_error "WARNING: ${oldvar} has been deprecated."
elif [[ -n "${oldval}" && -n "${newvar}" ]]; then
{code}
was (Author: jzhuge):
However, do realize that the following {{elif}} condition can be omitted and
changed to {{else}}:
{code}
elif [[ -n "${oldval}" && -n "${newvar}" ]]; then
{code}
> 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
>
>
> 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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