[IMPALA-7487] Failures in stress test when running against minicluster: "int() argument must be a string or a number, not 'NoneType'"

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 3.1.0
• Fix Version/s: Impala 3.1.0
• Component/s: Infrastructure
• Target Version: Impala 3.1.0
• Epic Color: ghx-label-4
• Assignee: Tim Armstrong
• Reporter: Tim Armstrong
• Created: 24/Aug/18 18:46
• Updated: 14/Sep/18 16:09
• Resolved: 14/Sep/18 16:09

Description

I ran this:

./tests/stress/concurrent_select.py --tpch-db=tpch_parquet --max-queries 10000 --timeout-multiplier 100 --mem-overcommit-pct 150 --fail-upon-successive-errors=1000

After the binary search succeeds lots of queries fail with this error:

Process Process-39:
Traceback (most recent call last):
  File "/usr/lib/python2.7/multiprocessing/process.py", line 258, in _bootstrap
    self.run()
  File "/usr/lib/python2.7/multiprocessing/process.py", line 114, in run
    self._target(*self._args, **self._kwargs)
  File "./tests/stress/concurrent_select.py", line 703, in _start_single_runner
    if should_cancel:
TypeError: int() argument must be a string or a number, not 'NoneType'
    func(*targs, **kargs)
  File "/usr/lib/python2.7/multiprocessing/util.py", line 328, in _exit_function
    _run_finalizers()
  File "/usr/lib/python2.7/multiprocessing/util.py", line 274, in _run_finalizers
    finalizer()
  File "/usr/lib/python2.7/multiprocessing/util.py", line 207, in __call__
    res = self._callback(*self._args, **self._kwargs)
  File "/usr/lib/python2.7/multiprocessing/queues.py", line 218, in _finalize_join
    thread.join()
  File "/usr/lib/python2.7/threading.py", line 940, in join
    self.__block.wait()
  File "/usr/lib/python2.7/threading.py", line 340, in wait

Issue Links

• is broken by: IMPALA-7356 Stress test for memory-based admission control