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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

https://community.cloudera.com/t5/Web-UI-Hue-Beeswax/could-not-load-AD-group-members/td-p/56545

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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