[jira] [Created] (AMBARI-17538) Spark1 and Spark2 should use different value for spark.history.kerberos.keytab

["Yesha Vora (JIRA)" <ji...@apache.org>]

Yesha Vora created AMBARI-17538:
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             Summary: Spark1 and Spark2 should use different value for spark.history.kerberos.keytab
                 Key: AMBARI-17538
                 URL: https://issues.apache.org/jira/browse/AMBARI-17538
             Project: Ambari
          Issue Type: Bug
    Affects Versions: 2.4.0
            Reporter: Yesha Vora


Scenario:
* Install spark1 historyserver on host1. Spark1 uses "/XXX/spark.headless.keytab" as spark.history.kerberos.keytab and "YYY" as spark.history.kerberos.principal.
Install Spark2 historyserver on host1. Spark2 also uses "/XXX/spark.headless.keytab" as spark.history.kerberos.keytab and "ZZZ" as spark.history.kerberos.principal

Since, spark1 and spark2 are using same keytab location but different principals. /XXX/spark.headless.keytab gets override and its principal is changed on install of spark2. Thus, spark1 history server can not be restarted. The restart operation fails to kinit with spark1 principal.

Thus, ambari should use two different location for spark.history.kerberos.keytab



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