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https://issues.apache.org/jira/browse/CASSANDRA-14610?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16640961#comment-16640961
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Jay Zhuang commented on CASSANDRA-14610:
I'm unable to reproduce the problem locally, for the failed job in Jenkins,
seems mostly it's because timeout to populate 6 nodes:
{noformat}
Error Message
ccmlib.node.NodeError: Error starting node1.
Stacktrace
self =
@since('4.0')
def test_describecluster_more_information_three_datacenters(self):
"""
nodetool describecluster should be more informative. It should
include detailes
for total node count, list of datacenters, RF, number of nodes per
dc, how many
are down and version(s).
@jira_ticket CASSANDRA-13853
@expected_result This test invokes nodetool describecluster and
matches the output with the expected one
"""
cluster = self.cluster
> cluster.populate([2, 3, 1]).start(wait_for_binary_proto=True)
{noformat}
Other tests which requires 6 nodes all marked as
{{@pytest.mark.resource_intensive}} (then these tests are skipped). I think
reducing the node number from 6 to 4 should help.
+1 for the patch (also it passed 100 times locally run).
> Flaky dtest:
> nodetool_test.TestNodetool.test_describecluster_more_information_three_datacenters
> ---
>
> Key: CASSANDRA-14610
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14610
> Project: Cassandra
> Issue Type: Task
> Components: Testing, Tools
>Reporter: Jason Brown
>Assignee: Marcus Eriksson
>Priority: Minor
> Labels: dtest
>
> @jay zhuang observed
> nodetool_test.TestNodetool.test_describecluster_more_information_three_datacenters
> being flaky in Apache Jenkins. I ran locally and got a different flaky
> behavior:
> {noformat}
> out_node1_dc3, err, _ = node1_dc3.nodetool('describecluster')
> assert 0 == len(err), err
> > assert out_node1_dc1 == out_node1_dc3
> E AssertionError: assert 'Cluster Info...1=3, dc3=1}\n' == 'Cluster
> Infor...1=3, dc3=1}\n'
> E Cluster Information:
> E Name: test
> E Snitch: org.apache.cassandra.locator.PropertyFileSnitch
> E DynamicEndPointSnitch: enabled
> E Partitioner: org.apache.cassandra.dht.Murmur3Partitioner
> E Schema versions:
> E fc9ec7cd-80ba-3f27-87af-fc0bafcf7a03: [127.0.0.6,
> 127.0.0.5, 127.0.0.4, 127.0.0.3, 127.0.0.2, 127.0.0.1]...
> E
> E ...Full output truncated (26 lines hidden), use '-vv' to show
> 09:58:14,357 ccm DEBUG Log-watching thread exiting.
> ===Flaky Test Report===
> test_describecluster_more_information_three_datacenters failed and was not
> selected for rerun.
>
> assert 'Cluster Info...1=3, dc3=1}\n' == 'Cluster Infor...1=3, dc3=1}\n'
> Cluster Information:
> Name: test
> Snitch: org.apache.cassandra.locator.PropertyFileSnitch
> DynamicEndPointSnitch: enabled
> Partitioner: org.apache.cassandra.dht.Murmur3Partitioner
> Schema versions:
> fc9ec7cd-80ba-3f27-87af-fc0bafcf7a03: [127.0.0.6, 127.0.0.5,
> 127.0.0.4, 127.0.0.3, 127.0.0.2, 127.0.0.1]...
>
> ...Full output truncated (26 lines hidden), use '-vv' to show
> [ /opt/orig/1/opt/dev/cassandra-dtest/nodetool_test.py:373>]
> ===End Flaky Test Report===
> {noformat}
> As this test is for a patch that was introduced for 4.0, this dtest (should)
> only be failing on trunk.
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