[
https://issues.apache.org/jira/browse/CASSANDRA-18660?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Berenguer Blasi updated CASSANDRA-18660:
----------------------------------------
Status: Ready to Commit (was: Review In Progress)
> transient_replication_ring_test.py::TestTransientReplicationRing::test_bootstrap_and_cleanup
> --------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-18660
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18660
> Project: Cassandra
> Issue Type: Bug
> Components: Test/dtest/python
> Reporter: Andres de la Peña
> Assignee: Brandon Williams
> Priority: Normal
> Fix For: 5.x
>
>
> {{transient_replication_ring_test.py::TestTransientReplicationRing::test_bootstrap_and_cleanup}}
> is flaky at least in CircleCI and {{trunk}}:
> https://app.circleci.com/pipelines/github/adelapena/cassandra/3018/workflows/2c81b63f-63b8-4baf-8945-d3c680edede6/jobs/58482/tests
> {code}
> ccmlib.node.TimeoutError: 11 Jul 2023 13:59:08 [node3] after 120.11/120
> seconds Missing: ['127.0.0.2:7000.* is now UP'] not found in system.log:
> Head: INFO [Messaging-EventLoop-3-6] 2023-07-11 13:57:0
> Tail:
> ...7.0.0.3:7000(/127.0.0.1:56442)->/127.0.0.2:7000-LARGE_MESSAGES-da6108fe
> successfully connected, version = 12, framing = CRC, encryption = unencrypted
> self = <transient_replication_ring_test.TestTransientReplicationRing object
> at 0x7f2f340c2c88>
> @flaky(max_runs=1)
> @pytest.mark.no_vnodes
> def test_bootstrap_and_cleanup(self):
> """Test bootstrapping a new node across a mix of repaired and
> unrepaired data"""
> main_session = self.patient_cql_connection(self.node1)
> nodes = [self.node1, self.node2, self.node3]
>
> for i in range(0, 40, 2):
> self.insert_row(i, i, i, main_session)
>
> sessions = [self.exclusive_cql_connection(node) for node in
> [self.node1, self.node2, self.node3]]
>
> expected = [gen_expected(range(0, 11, 2), range(22, 40, 2)),
> gen_expected(range(0, 22, 2), range(32, 40, 2)),
> gen_expected(range(12, 31, 2))]
> self.check_expected(sessions, expected)
>
> # Make sure at least a little data is repaired, this shouldn't move
> data anywhere
> repair_nodes(nodes)
>
> self.check_expected(sessions, expected)
>
> # Ensure that there is at least some transient data around, because
> of this if it's missing after bootstrap
> # We know we failed to get it from the transient replica losing the
> range entirely
> nodes[1].stop(wait_other_notice=True)
>
> for i in range(1, 40, 2):
> self.insert_row(i, i, i, main_session)
>
> > nodes[1].start(wait_for_binary_proto=True)
> transient_replication_ring_test.py:184:
> _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
> _
> transient_replication_ring_test.py:52: in new_start
> return old_start(*args, **kwargs)
> ../env3.6/lib/python3.6/site-packages/ccmlib/node.py:896: in start
> node.watch_log_for_alive(self, from_mark=mark)
> ../env3.6/lib/python3.6/site-packages/ccmlib/node.py:665: in
> watch_log_for_alive
> self.watch_log_for(tofind, from_mark=from_mark, timeout=timeout,
> filename=filename)
> ../env3.6/lib/python3.6/site-packages/ccmlib/node.py:593: in watch_log_for
> head=reads[:50], tail="..."+reads[len(reads)-150:]))
> _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
> _
> start = 1689083828.8439646, timeout = 120
> msg = "Missing: ['127.0.0.2:7000.* is now UP'] not found in system.log:\n
> Head: INFO [Messaging-EventLoop-3-6] 2023-07-11
> 1...127.0.0.2:7000-LARGE_MESSAGES-da6108fe successfully connected, version =
> 12, framing = CRC, encryption = unencrypted\n"
> node = 'node3'
> @staticmethod
> def raise_if_passed(start, timeout, msg, node=None):
> if start + timeout < time.time():
> > raise TimeoutError.create(start, timeout, msg, node)
> E ccmlib.node.TimeoutError: 11 Jul 2023 13:59:08 [node3] after
> 120.11/120 seconds Missing: ['127.0.0.2:7000.* is now UP'] not found in
> system.log:
> E Head: INFO [Messaging-EventLoop-3-6] 2023-07-11 13:57:0
> E Tail:
> ...7.0.0.3:7000(/127.0.0.1:56442)->/127.0.0.2:7000-LARGE_MESSAGES-da6108fe
> successfully connected, version = 12, framing = CRC, encryption = unencrypted
> ../env3.6/lib/python3.6/site-packages/ccmlib/node.py:56: TimeoutError
> {code}
> The CircleCI config to reproduce can be generated with:
> {code}
> .circleci/generate.sh -p \
> -e REPEATED_DTESTS_COUNT=500 \
> -e
> REPEATED_DTESTS=transient_replication_ring_test.py::TestTransientReplicationRing::test_bootstrap_and_cleanup
> {code}
> Flakiness seems ~1%
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