Github user Parth-Brahmbhatt commented on the pull request:
https://github.com/apache/incubator-storm/pull/226#issuecomment-54668589
Hbase delegation tokens expires weekly and I can't find a way to expire
them any sooner. I looked at
https://git-wip-us.apache.org/repos/asf?p=hbase.git;a=blob;f=hbase-server/src/main/java/org/apache/hadoop/hbase/security/token/TokenUtil.java
and atleast in the client there is no caching.
I am trying to check if the caching statement is correct or not by making
multiple calls to Hbase to get delegation tokens and checking if it is
returning the same tokens or not. I am failing to setup a secure hbase cluster
right now with some weird kerberos errors. I will update the pull request once
I get around it and have some data.
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