Andres de la Peña created CASSANDRA-18660:
---------------------------------------------
Summary:
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
{{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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