HDP 2.2.9 provides Apache Storm 0.9.3 and the following additional patches:
STORM-1017: If ignoreZkOffsets set true,KafkaSpout will reset zk offset when recover from failure.
STORM-1037: Do not remove storm-code in supervisor until kill job.
STORM-1054: Excessive logging ShellBasedGroupsMapping if the user doesn't have any groups.
STORM-965: Excessive logging in Storm when non-kerberos client tries to connect.
STORM-586: TridentKafkaEmitter should catch updateOffsetException.
STORM-682: Supervisor should handle worker state corruption gracefully.
