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...Version nist s p the big two new data security and privacy design patterns fabric reality check in apache ecosystem secure multi tenant deployment much like early days of hadoop storm originally evolved an environment where was not a high priority concern rather it assumed that would be deployed to environments suitably cordoned off from threats while large number users were comfortable setting up their own measures for this proved hindrance broader adoption among larger enterprises policies prohibited without specific safeguards yahoo hosts one largest deployments world engineering team recognized need on so implemented many features necessary its hortonworks symantec community have been working integrating those innovations into main code base work is nearing completion slated included upcoming release some highlights include kerberos authentication with automatic credential push renewal scheduling integration other projects such as zookeeper hdfs hbase etc user isolation topologies ...