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Hue authentication on cloudera 5.15 is very slow after configuring AD based kerberos

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Hi, After configuring the kerberos with AD principles, the Hue authentication is very very slow. The setup is like

1. cloudera manager 5.15

2. Kerberos enables with global-AD system user. 

3. Configure Hue with 

     Authentication backend: desktop.auth.backend.LdapBackend

     gave ldap url as AD url

4. Write hue.ini script..because the cloudera version 5.15 didnt work so we added some script based on this thread

5. We didnt setup TLS/SSL certificate ..


Any ideas about why the authentication is taking long time (3 to 4 minutes) some times its very quick.. not predictable.. even the services(hdfs, hive, spark) are not stable with kerberos.. Your help should be appreciated and will help lot ....Thanks!





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