Michael Kjellman created CASSANDRA-14146:
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Summary: [DTEST]
cdc_test::TestCDC::test_insertion_and_commitlog_behavior_after_reaching_cdc_total_space
assertion always fails (Extra items in the left set)
Key: CASSANDRA-14146
URL: https://issues.apache.org/jira/browse/CASSANDRA-14146
Project: Cassandra
Issue Type: Bug
Components: Testing
Reporter: Michael Kjellman
Dtest
cdc_test::TestCDC::test_insertion_and_commitlog_behavior_after_reaching_cdc_total_space
always fails on an assertion.
the assert is the final step of the test and it checks that
pre_non_cdc_write_cdc_raw_segments == _get_cdc_raw_files(node.get_path())
This fails 100% of the time locally, 100% of the time on circleci executed
under pytest, and 100% of the time for the past 40 test runs on ASF Jenkins
runs against trunk.
This is the only test failure (excluding flaky one-off failures) remaining on
the pytest dtest branch. I'm going to annotate the test with a skip marker
(including a reason reference to this JIRA)... when it's fixed we should also
remove the skip annotation from the test.
{code}
> assert pre_non_cdc_write_cdc_raw_segments ==
> _get_cdc_raw_files(node.get_path())
E AssertionError: assert {'/tmp/dtest-...169.log', ...} ==
{'/tmp/dtest-v...169.log', ...}
E Extra items in the left set:
E '/tmp/dtest-vrn4k8ov/test/node1/cdc_raw/CommitLog-7-1515030005097.log'
E '/tmp/dtest-vrn4k8ov/test/node1/cdc_raw/CommitLog-7-1515030005098.log'
E Extra items in the right set:
E '/tmp/dtest-vrn4k8ov/test/node1/cdc_raw/CommitLog-7-1515030005099.log'
E '/tmp/dtest-vrn4k8ov/test/node1/cdc_raw/CommitLog-7-1515030005100.log'
E Use -v to get the full diff
{code}
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