# Thread: QueueFeederThread(140191178114816)
File: "/usr/lib/python2.7/threading.py", line 524, in __bootstrap
  self.__bootstrap_inner()
File: "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
  self.run()
File: "/usr/lib/python2.7/threading.py", line 504, in run
  self.__target(*self.__args, **self.__kwargs)
File: "/usr/lib/python2.7/multiprocessing/queues.py", line 250, in _feed
  nwait()
File: "/usr/lib/python2.7/threading.py", line 243, in wait
  waiter.acquire()

# Thread: Thread-15(140191213807360)
File: "/usr/lib/python2.7/threading.py", line 524, in __bootstrap
  self.__bootstrap_inner()
File: "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
  self.run()
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/transport.py", line 1592, in run
  ptype, m = self.packetizer.read_message()
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/packet.py", line 341, in read_message
  header = self.read_all(self.__block_size_in, check_rekey=True)
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/packet.py", line 204, in read_all
  x = self.__socket.recv(n)

# Thread: Thread-11(140191792609024)
File: "/usr/lib/python2.7/threading.py", line 524, in __bootstrap
  self.__bootstrap_inner()
File: "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
  self.run()
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/transport.py", line 1592, in run
  ptype, m = self.packetizer.read_message()
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/packet.py", line 341, in read_message
  header = self.read_all(self.__block_size_in, check_rekey=True)
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/packet.py", line 204, in read_all
  x = self.__socket.recv(n)

# Thread: MainThread(140192293369600)
File: "tests/stress/concurrent_select.py", line 2004, in <module>
  main()
File: "tests/stress/concurrent_select.py", line 2000, in main
  select_probability=args.select_probability)
File: "tests/stress/concurrent_select.py", line 415, in run_queries
  sleep(sleep_secs)
File: "tests/stress/concurrent_select.py", line 120, in print_stacks
  for filename, lineno, name, line in traceback.extract_stack(stack):

# Thread: Thread-10(140191801001728)
File: "/usr/lib/python2.7/threading.py", line 524, in __bootstrap
  self.__bootstrap_inner()
File: "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
  self.run()
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/transport.py", line 1592, in run
  ptype, m = self.packetizer.read_message()
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/packet.py", line 341, in read_message
  header = self.read_all(self.__block_size_in, check_rekey=True)
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/packet.py", line 204, in read_all
  x = self.__socket.recv(n)

# Thread: Thread-3(140192199710464)
File: "/usr/lib/python2.7/threading.py", line 524, in __bootstrap
  self.__bootstrap_inner()
File: "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
  self.run()
File: "/usr/lib/python2.7/threading.py", line 504, in run
  self.__target(*self.__args, **self.__kwargs)
File: "/usr/lib/python2.7/multiprocessing/pool.py", line 85, in worker
  task = get()
File: "/usr/lib/python2.7/Queue.py", line 168, in get
  self.not_empty.wait()
File: "/usr/lib/python2.7/threading.py", line 243, in wait
  waiter.acquire()

# Thread: Thread-5(140192182925056)
File: "/usr/lib/python2.7/threading.py", line 524, in __bootstrap
  self.__bootstrap_inner()
File: "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
  self.run()
File: "/usr/lib/python2.7/threading.py", line 504, in run
  self.__target(*self.__args, **self.__kwargs)
File: "/usr/lib/python2.7/multiprocessing/pool.py", line 303, in _handle_workers
  time.sleep(0.1)

# Thread: Thread-9(140191809394432)
File: "/usr/lib/python2.7/threading.py", line 524, in __bootstrap
  self.__bootstrap_inner()
File: "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
  self.run()
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/transport.py", line 1592, in run
  ptype, m = self.packetizer.read_message()
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/packet.py", line 341, in read_message
  header = self.read_all(self.__block_size_in, check_rekey=True)
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/packet.py", line 204, in read_all
  x = self.__socket.recv(n)

# Thread: Thread-8(140191817787136)
File: "/usr/lib/python2.7/threading.py", line 524, in __bootstrap
  self.__bootstrap_inner()
File: "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
  self.run()
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/transport.py", line 1592, in run
  ptype, m = self.packetizer.read_message()
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/packet.py", line 341, in read_message
  header = self.read_all(self.__block_size_in, check_rekey=True)
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/packet.py", line 204, in read_all
  x = self.__socket.recv(n)

# Thread: Thread-14(140191222200064)
File: "/usr/lib/python2.7/threading.py", line 524, in __bootstrap
  self.__bootstrap_inner()
File: "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
  self.run()
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/transport.py", line 1592, in run
  ptype, m = self.packetizer.read_message()
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/packet.py", line 341, in read_message
  header = self.read_all(self.__block_size_in, check_rekey=True)
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/packet.py", line 204, in read_all
  x = self.__socket.recv(n)

# Thread: Thread-2(140192208103168)
File: "/usr/lib/python2.7/threading.py", line 524, in __bootstrap
  self.__bootstrap_inner()
File: "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
  self.run()
File: "/usr/lib/python2.7/threading.py", line 504, in run
  self.__target(*self.__args, **self.__kwargs)
File: "/usr/lib/python2.7/multiprocessing/pool.py", line 85, in worker
  task = get()
File: "/usr/lib/python2.7/Queue.py", line 168, in get
  self.not_empty.wait()
File: "/usr/lib/python2.7/threading.py", line 243, in wait
  waiter.acquire()

# Thread: Thread-6(140192174532352)
File: "/usr/lib/python2.7/threading.py", line 524, in __bootstrap
  self.__bootstrap_inner()
File: "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
  self.run()
File: "/usr/lib/python2.7/threading.py", line 504, in run
  self.__target(*self.__args, **self.__kwargs)
File: "/usr/lib/python2.7/multiprocessing/pool.py", line 312, in _handle_tasks
  for taskseq, set_length in iter(taskqueue.get, None):
File: "/usr/lib/python2.7/Queue.py", line 168, in get
  self.not_empty.wait()
File: "/usr/lib/python2.7/threading.py", line 243, in wait
  waiter.acquire()

# Thread: Thread-4(140192191317760)
File: "/usr/lib/python2.7/threading.py", line 524, in __bootstrap
  self.__bootstrap_inner()
File: "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
  self.run()
File: "/usr/lib/python2.7/threading.py", line 504, in run
  self.__target(*self.__args, **self.__kwargs)
File: "/usr/lib/python2.7/multiprocessing/pool.py", line 85, in worker
  task = get()
File: "/usr/lib/python2.7/Queue.py", line 168, in get
  self.not_empty.wait()
File: "/usr/lib/python2.7/threading.py", line 243, in wait
  waiter.acquire()

# Thread: Thread-7(140191826179840)
File: "/usr/lib/python2.7/threading.py", line 524, in __bootstrap
  self.__bootstrap_inner()
File: "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
  self.run()
File: "/usr/lib/python2.7/threading.py", line 504, in run
  self.__target(*self.__args, **self.__kwargs)
File: "/usr/lib/python2.7/multiprocessing/pool.py", line 353, in _handle_results
  task = get()
File: "/usr/lib/python2.7/Queue.py", line 168, in get
  self.not_empty.wait()
File: "/usr/lib/python2.7/threading.py", line 243, in wait
  waiter.acquire()

# Thread: Thread-13(140191775823616)
File: "/usr/lib/python2.7/threading.py", line 524, in __bootstrap
  self.__bootstrap_inner()
File: "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
  self.run()
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/transport.py", line 1592, in run
  ptype, m = self.packetizer.read_message()
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/packet.py", line 341, in read_message
  header = self.read_all(self.__block_size_in, check_rekey=True)
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/packet.py", line 204, in read_all
  x = self.__socket.recv(n)

# Thread: Thread-1(140192216495872)
File: "/usr/lib/python2.7/threading.py", line 524, in __bootstrap
  self.__bootstrap_inner()
File: "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
  self.run()
File: "/usr/lib/python2.7/threading.py", line 504, in run
  self.__target(*self.__args, **self.__kwargs)
File: "/usr/lib/python2.7/multiprocessing/pool.py", line 85, in worker
  task = get()
File: "/usr/lib/python2.7/Queue.py", line 168, in get
  self.not_empty.wait()
File: "/usr/lib/python2.7/threading.py", line 243, in wait
  waiter.acquire()

# Thread: Thread-12(140191784216320)
File: "/usr/lib/python2.7/threading.py", line 524, in __bootstrap
  self.__bootstrap_inner()
File: "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
  self.run()
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/transport.py", line 1592, in run
  ptype, m = self.packetizer.read_message()
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/packet.py", line 341, in read_message
  header = self.read_all(self.__block_size_in, check_rekey=True)
File: "/var/lib/jenkins/workspace/Impala-Stress-Test-Physical/Impala/infra/python/env/local/lib/python2.7/site-packages/paramiko/packet.py", line 204, in read_all
  x = self.__socket.recv(n)