Joe McDonnell created IMPALA-12500:
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Summary: TestObservability.test_global_exchange_counters is flaky
Key: IMPALA-12500
URL: https://issues.apache.org/jira/browse/IMPALA-12500
Project: IMPALA
Issue Type: Bug
Components: Backend
Affects Versions: Impala 4.4.0
Reporter: Joe McDonnell
There have been intermittent failures on this test with the following symptom:
{noformat}
query_test/test_observability.py:564: in test_global_exchange_counters
assert "ExchangeScanRatio: 4.63" in profile
E assert 'ExchangeScanRatio: 4.63' in 'Query
(id=c04b974db37e7046:b5fe4dea00000000):\n DEBUG MODE WARNING: Query profile
created while running a DEBUG buil...: 0.000ns\n - WriteIoBytes:
0\n - WriteIoOps: 0 (0)\n - WriteIoWaitTime: 0.000ns\n'
-- executing against localhost:21000
select count(*), sleep(50) from tpch_parquet.orders o
inner join tpch_parquet.lineitem l on o.o_orderkey = l.l_orderkey
group by o.o_clerk limit 10;
-- 2023-10-05 19:47:29,817 INFO MainThread: Started query
c04b974db37e7046:b5fe4dea00000000{noformat}
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