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https://issues.apache.org/jira/browse/HADOOP-13597?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15715569#comment-15715569
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John Zhuge edited comment on HADOOP-13597 at 12/2/16 5:31 PM:
--------------------------------------------------------------
[~aw] Found mistake in {{hadoop-kms.sh}} for Patch 002 where everything is in
{{hadoop_subcommand_kms}}. Should be:
{code}
if [[ "${HADOOP_SHELL_EXECNAME}" = hadoop ]]; then
hadoop_add_profile kms
hadoop_add_subcommand "kms" "run KMS, the Key Management Server"
fi
function _kms_hadoop_init
{
# init variables
}
function hadoop_subcommand_kms
{
# Called by bin/hadoop to provide subcommand case statement if any
HADOOP_SUBCMD_SUPPORTDAEMONIZATION=true
HADOOP_CLASSNAME=org.apache.hadoop.crypto.key.kms.server.KMSHttpServer
}
function _kms_hadoop_finalize
{
# Called in finalize phase, all env vars are settled
hadoop_add_param HADOOP_OPTS "-Dkms.config.dir=" \
"-Dkms.config.dir=${HADOOP_CONF_DIR}"
hadoop_add_param HADOOP_OPTS "-Dkms.log.dir=" \
"-Dkms.log.dir=${HADOOP_LOG_DIR}"
}
{code}
The 3 functions are called in this order:
# _kms_hadoop_init
# hadoop_subcommand_kms
# _kms_hadoop_finalize
was (Author: jzhuge):
[~aw] Found mistake in {{hadoop-kms.sh}} for Patch 002 where everything is in
{{hadoop_subcommand_kms}}. Should be:
{code}
if [[ "${HADOOP_SHELL_EXECNAME}" = hadoop ]]; then
hadoop_add_profile kms
hadoop_add_subcommand "kms" "run KMS, the Key Management Server"
fi
function _kms_hadoop_init
{
# init variables
}
function hadoop_subcommand_kms
{
# Called by bin/hadoop to provide subcommand case statement if any
HADOOP_SUBCMD_SUPPORTDAEMONIZATION=true
HADOOP_CLASSNAME=org.apache.hadoop.crypto.key.kms.server.KMSHttpServer
}
function _kms_hadoop_finalize
{
# Called in finalize phase, all env vars are settled
hadoop_add_param HADOOP_OPTS "-Dkms.config.dir=" \
"-Dkms.config.dir=${HADOOP_CONF_DIR}"
hadoop_add_param HADOOP_OPTS "-Dkms.log.dir=" \
"-Dkms.log.dir=${HADOOP_LOG_DIR}"
}
{code}
The 3 functions are called in this order:
# _kms_hadoop_init
# hadoop_subcommand_kms
# _kmd_hadoop_finalize
> 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
>
>
> 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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