[IMPALA-6381] test_exchange_delays.py failed on isilon build due to sender timeout

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: Impala 2.11.0
• Fix Version/s: Impala 2.12.0
• Component/s: Infrastructure
• Labels: flaky
• Epic Color: ghx-label-8
• Assignee: Joe McDonnell
• Reporter: Zoram Thanga
• Created: 10/Jan/18 18:38
• Updated: 17/Apr/18 20:40
• Resolved: 17/Apr/18 19:03

Description

Please feel free to re-assign, etc.

Isilon builds have been failing because of this:

Error Message
AssertionError: Expected exception: Sender timed out waiting for receiver fragment instance
Stacktrace
self = <test_exchange_delays.TestExchangeDelays object at 0x7fc20cec4b10>
vector = <tests.common.test_vector.ImpalaTestVector object at 0x45cba10>

@pytest.mark.execute_serially
@CustomClusterTestSuite.with_args(
"--stress_datastream_recvr_delay_ms=

{0}

".format(DELAY_MS)
+ " --datastream_sender_timeout_ms=1")
def test_exchange_large_delay(self, vector):
"""Test delays in registering data stream receivers where all of the batches sent
will time out before the receiver registers. Before IMPALA-2987, this scenario
resulted in the query hanging.
"""
self.run_test_case('QueryTest/exchange-delays', vector)

1. Test the special case when no batches are sent and the EOS message times out.
   > self.run_test_case('QueryTest/exchange-delays-zero-rows', vector)

custom_cluster/test_exchange_delays.py:58:

Issue Links

• relates to: IMPALA-6866 S3 and Isilon tests fail test_exchange_delay::test_exchange_large_delay