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Posted to commits@cassandra.apache.org by "Ekaterina Dimitrova (Jira)" <ji...@apache.org> on 2020/01/30 04:02:00 UTC
[jira] [Assigned] (CASSANDRA-15311) Fix flakey test_13595 -
consistency_test.TestConsistency
[ https://issues.apache.org/jira/browse/CASSANDRA-15311?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ekaterina Dimitrova reassigned CASSANDRA-15311:
-----------------------------------------------
Assignee: Ekaterina Dimitrova
> Fix flakey test_13595 - consistency_test.TestConsistency
> ---------------------------------------------------------
>
> Key: CASSANDRA-15311
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15311
> Project: Cassandra
> Issue Type: Bug
> Components: Test/dtest
> Reporter: Joey Lynch
> Assignee: Ekaterina Dimitrova
> Priority: Normal
> Fix For: 4.0-alpha
>
>
> Example failure: [https://circleci.com/gh/jolynch/cassandra/559#tests/containers/29]
> {noformat}
> Your job ran 1007 tests with 1 failure
> test_13595 - consistency_test.TestConsistencyconsistency_test.pyAssertionError: assert 9 == 4 + where 4 = <bound method JolokiaAgent.read_attribute of <tools.jmxutils.JolokiaAgent object at 0x7f9f0775b160>>('org.apache.cassandra.metrics:type=Table,name=ShortReadProtectionRequests,keyspace=test,scope=test', 'Count') + where <bound method JolokiaAgent.read_attribute of <tools.jmxutils.JolokiaAgent object at 0x7f9f0775b160>> = <tools.jmxutils.JolokiaAgent object at 0x7f9f0775b160>.read_attribute
> self = <consistency_test.TestConsistency object at 0x7f9f168c26d8>
> @since('3.0')
> def test_13595(self):
> """
> @jira_ticket CASSANDRA-13595
> """
> cluster = self.cluster
>
> # disable hinted handoff and set batch commit log so this doesn't interfere with the test
> cluster.set_configuration_options(values={'hinted_handoff_enabled': False})
> cluster.set_batch_commitlog(enabled=True)
>
> cluster.populate(2)
> node1, node2 = cluster.nodelist()
> remove_perf_disable_shared_mem(node1) # necessary for jmx
> cluster.start(wait_other_notice=True)
>
> session = self.patient_cql_connection(node1)
>
> query = "CREATE KEYSPACE IF NOT EXISTS test WITH replication = {'class': 'NetworkTopologyStrategy', 'datacenter1': 2};"
> session.execute(query)
>
> query = 'CREATE TABLE IF NOT EXISTS test.test (id int PRIMARY KEY);'
> session.execute(query)
>
> # populate the table with 10 partitions,
> # then delete a bunch of them on different nodes
> # until we get the following pattern:
>
> # token | k | 1 | 2 |
> # -7509452495886106294 | 5 | n | y |
> # -4069959284402364209 | 1 | y | n |
> # -3799847372828181882 | 8 | n | y |
> # -3485513579396041028 | 0 | y | n |
> # -3248873570005575792 | 2 | n | y |
> # -2729420104000364805 | 4 | y | n |
> # 1634052884888577606 | 7 | n | y |
> # 2705480034054113608 | 6 | y | n |
> # 3728482343045213994 | 9 | n | y |
> # 9010454139840013625 | 3 | y | y |
>
> stmt = session.prepare('INSERT INTO test.test (id) VALUES (?);')
> for id in range(0, 10):
> session.execute(stmt, [id], ConsistencyLevel.ALL)
>
> # delete every other partition on node1 while node2 is down
> node2.stop(wait_other_notice=True)
> session.execute('DELETE FROM test.test WHERE id IN (5, 8, 2, 7, 9);')
> node2.start(wait_other_notice=True, wait_for_binary_proto=True)
>
> session = self.patient_cql_connection(node2)
>
> # delete every other alternate partition on node2 while node1 is down
> node1.stop(wait_other_notice=True)
> session.execute('DELETE FROM test.test WHERE id IN (1, 0, 4, 6);')
> node1.start(wait_other_notice=True, wait_for_binary_proto=True)
>
> session = self.patient_exclusive_cql_connection(node1)
>
> # until #13595 the query would incorrectly return [1]
> assert_all(session,
> 'SELECT id FROM test.test LIMIT 1;',
> [[3]],
> cl=ConsistencyLevel.ALL)
>
> srp = make_mbean('metrics', type='Table', name='ShortReadProtectionRequests', keyspace='test', scope='test')
> with JolokiaAgent(node1) as jmx:
> # 4 srp requests for node1 and 5 for node2, total of 9
> > assert 9 == jmx.read_attribute(srp, 'Count')
> E AssertionError: assert 9 == 4
> E + where 4 = <bound method JolokiaAgent.read_attribute of <tools.jmxutils.JolokiaAgent object at 0x7f9f0775b160>>('org.apache.cassandra.metrics:type=Table,name=ShortReadProtectionRequests,keyspace=test,scope=test', 'Count')
> E + where <bound method JolokiaAgent.read_attribute of <tools.jmxutils.JolokiaAgent object at 0x7f9f0775b160>> = <tools.jmxutils.JolokiaAgent object at 0x7f9f0775b160>.read_attribute
> consistency_test.py:1288: AssertionError {noformat}
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