Michael Brown created IMPALA-7736:
-------------------------------------
Summary: stress: AssertionError: The number of executing queries
is negative
Key: IMPALA-7736
URL: https://issues.apache.org/jira/browse/IMPALA-7736
Project: IMPALA
Issue Type: Bug
Components: Infrastructure
Affects Versions: Impala 3.1.0
Reporter: Michael Brown
I'd heard about this anecdotally but haven't seen it until now:
{noformat}
Done | Active | Executing | Mem Lmt Ex | AC Reject | AC Timeout | Time Out |
Cancel | Err | Incorrect | Next Qry Mem Lmt | Tot Qry Mem Lmt | Tracked Mem |
RSS Mem
263 | 6 | 3 | 20 | 0 | 0 | 0 |
17 | 0 | 0 | 9818 | 26802 | 15656 |
19329
263 | 6 | 3 | 20 | 0 | 0 | 0 |
17 | 0 | 0 | 9818 | 26802 | 15534 |
19341
263 | 6 | 3 | 20 | 0 | 0 | 0 |
17 | 0 | 0 | 9818 | 26802 | 15462 |
19190
265 | 4 | 1 | 20 | 0 | 0 | 0 |
17 | 0 | 0 | 9818 | 22938 | 15482 |
19565
Traceback (most recent call last):
File "tests/stress/concurrent_select.py", line 2320, in <module>
main()
File "tests/stress/concurrent_select.py", line 2316, in main
select_probability=args.select_probability)
File "tests/stress/concurrent_select.py", line 529, in run_queries
self._wait_for_test_to_finish(impala, should_print_status)
File "tests/stress/concurrent_select.py", line 943, in
_wait_for_test_to_finish
self._print_status(print_header=(lines_printed == 0))
File "tests/stress/concurrent_select.py", line 837, in _print_status
self._num_queries_executing,
File "tests/stress/concurrent_select.py", line 690, in _num_queries_executing
assert num_executing >= 0, "The number of executing queries is negative"
AssertionError: The number of executing queries is negative
{noformat}
I've run many-thousand stress test runs against 3.1 without hitting this. Where
this finally happened was against a 2.12-based build, if that matters.
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