Kafka version is 0.8.1.1. On taking a thread dump against one of our servers in 
Kafka Cluster, i see lot of threads with message below:

"SOMEID-9" id=67784 idx=0x75c tid=24485 prio=5 alive, parked, native_blocked, 
daemon
    -- Parking to wait for: 
java/util/concurrent/locks/AbstractQueuedSynchronizer$ConditionObject@0x100a13500
    at jrockit/vm/Locks.park0(J)V(Native Method)

There are multiple threads with the message "Parking to wait for" with the same 
objectId- 0x100a13500.
Does this imply that the consumer threads are  stuck or  just sitting idle?
Thanks,
Prashant

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