[
https://issues.apache.org/jira/browse/CASSANDRA-19601?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Brandon Williams updated CASSANDRA-19601:
-----------------------------------------
Fix Version/s: 4.0.16
4.1.8
5.0.3
5.1
(was: 5.x)
(was: 4.0.x)
(was: 4.1.x)
(was: 5.0.x)
Since Version: 2.0.17
Source Control Link:
https://github.com/apache/cassandra/commit/b074675c37b2d76ef18f921c7e29f013fc35e011
Resolution: Fixed
Status: Resolved (was: Ready to Commit)
Committed and marked the python dtest as ported to in-jvm.
> Test failure: test_change_durable_writes
> ----------------------------------------
>
> Key: CASSANDRA-19601
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19601
> Project: Apache Cassandra
> Issue Type: Bug
> Components: CI
> Reporter: Ekaterina Dimitrova
> Assignee: Brandon Williams
> Priority: Normal
> Fix For: 4.0.16, 4.1.8, 5.0.3, 5.1
>
>
> Failing on trunk:
> [https://ci-cassandra.apache.org/job/Cassandra-trunk/1880/testReport/junit/dtest-latest.configuration_test/TestConfiguration/Tests___dtest_latest_jdk11_31_64___test_change_durable_writes/]
> [https://app.circleci.com/pipelines/github/blerer/cassandra/400/workflows/893a0edb-9181-4981-b542-77228c8bc975/jobs/10941/tests]
> {code:java}
> AssertionError: Commitlog was written with durable writes disabled
> assert 90112 == 86016
> +90112
> -86016
> self = <configuration_test.TestConfiguration object at 0x7f5eda736550>
> @pytest.mark.timeout(60*30)
> def test_change_durable_writes(self):
> """
> @jira_ticket CASSANDRA-9560
>
> Test that changes to the DURABLE_WRITES option on keyspaces is
> respected in subsequent writes.
>
> This test starts by writing a dataset to a cluster and asserting that
> the commitlogs have been written to. The subsequent test depends on
> the assumption that this dataset triggers an fsync.
>
> After checking this assumption, the test destroys the cluster and
> creates a fresh one. Then it tests that DURABLE_WRITES is respected
> by:
>
> - creating a keyspace with DURABLE_WRITES set to false,
> - using ALTER KEYSPACE to set its DURABLE_WRITES option to true,
> - writing a dataset to this keyspace that is known to trigger a
> commitlog fsync,
> - asserting that the commitlog has grown in size since the data was
> written.
> """
> cluster = self.cluster
> cluster.set_batch_commitlog(enabled=True, use_batch_window =
> cluster.version() < '5.0')
>
> cluster.set_configuration_options(values={'commitlog_segment_size_in_mb': 1})
>
> cluster.populate(1).start()
> durable_node = cluster.nodelist()[0]
>
> durable_init_size = commitlog_size(durable_node)
> durable_session = self.patient_exclusive_cql_connection(durable_node)
>
> # test assumption that write_to_trigger_fsync actually triggers a
> commitlog fsync
> durable_session.execute("CREATE KEYSPACE ks WITH REPLICATION =
> {'class': 'SimpleStrategy', 'replication_factor': 1} "
> "AND DURABLE_WRITES = true")
> durable_session.execute('CREATE TABLE ks.tab (key int PRIMARY KEY, a
> int, b int, c int)')
> logger.debug('commitlog size diff = ' +
> str(commitlog_size(durable_node) - durable_init_size))
> write_to_trigger_fsync(durable_session, 'ks', 'tab')
> logger.debug('commitlog size diff = ' +
> str(commitlog_size(durable_node) - durable_init_size))
>
> assert commitlog_size(durable_node) > durable_init_size, \
> "This test will not work in this environment;
> write_to_trigger_fsync does not trigger fsync."
>
> durable_session.shutdown()
> cluster.stop()
> cluster.clear()
>
> cluster.set_batch_commitlog(enabled=True, use_batch_window =
> cluster.version() < '5.0')
>
> cluster.set_configuration_options(values={'commitlog_segment_size_in_mb': 1})
> cluster.start()
> node = cluster.nodelist()[0]
> session = self.patient_exclusive_cql_connection(node)
>
> # set up a keyspace without durable writes, then alter it to use them
> session.execute("CREATE KEYSPACE ks WITH REPLICATION = {'class':
> 'SimpleStrategy', 'replication_factor': 1} "
> "AND DURABLE_WRITES = false")
> session.execute('CREATE TABLE ks.tab (key int PRIMARY KEY, a int, b
> int, c int)')
> init_size = commitlog_size(node)
> write_to_trigger_fsync(session, 'ks', 'tab')
> > assert commitlog_size(node) == init_size, "Commitlog was written with
> > durable writes disabled"
> E AssertionError: Commitlog was written with durable writes disabled
> E assert 90112 == 86016
> E +90112
> E -86016
> configuration_test.py:104: AssertionError
> {code}
>
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