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https://issues.apache.org/jira/browse/HADOOP-18041?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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LuoGe updated HADOOP-18041:
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Description: when two kerberos cluster establish cross realm trust, we
should set up hadoop.security.auth_to_local parameter in both clusters, and
then restart cluster。restart namenode is very challenge thing for large
cluster, so we can add admin command to refresh auth to local rules without
restart cluster. (was: when two kerberos cluster establish cross realm trust,
we should set up hadoop.security.auth_to_local parameter in both clusters, and
then restart cluster。restart namenode is very challenge thing for large
cluster, so we can add admin command to refresh auth to local rules without
restart)
> Command to refresh auth to local rules without having to restart the cluster
> ----------------------------------------------------------------------------
>
> Key: HADOOP-18041
> URL: https://issues.apache.org/jira/browse/HADOOP-18041
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: LuoGe
> Priority: Major
>
> when two kerberos cluster establish cross realm trust, we should set up
> hadoop.security.auth_to_local parameter in both clusters, and then restart
> cluster。restart namenode is very challenge thing for large cluster, so we can
> add admin command to refresh auth to local rules without restart cluster.
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