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https://issues.apache.org/jira/browse/IMPALA-12500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17778839#comment-17778839
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Fang-Yu Rao commented on IMPALA-12500:
--------------------------------------
Hi [~csringhofer], assigned this JIRA to you since you recently revised the
test at
[IMPALA-12430|https://github.com/apache/impala/commit/fb2d2b27641a95f51b6789639fab73b60abd7bc5#diff-a317a4067b5728a2d0af9839c1dce94710e7bd50825ceffc0a3c88aca3e27de3R553]
and thus may be more familiar with the test. Please feel free to reassign the
JIRA as you see fit. Thanks!
> 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
> Assignee: Csaba Ringhofer
> Priority: Critical
> Labels: broken-build, flaky
>
> 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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