Hi, I have the same experience. I set it, I see that it is kicked in:   <property> <name>dfs.namenode.delegation.token.renew-interval</name> <value>36000000</value> <source>hdfs-site.xml</source> </property>   But when submitting spark application the log still says 24h instead of 10h:   INFO - 20/06/16 07:41:40 INFO security.HadoopFSDelegationTokenProvider: Renewal interval is 86400000 for token HDFS_DELEGATION_TOKEN    Did you manage to find a solution? ... View more