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From "Marcus Eriksson (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-7010) bootstrap_test simple_bootstrap_test dtest fails in 2.1
Date Thu, 22 May 2014 10:25:02 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-7010?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Marcus Eriksson updated CASSANDRA-7010:
---------------------------------------

    Attachment: 7010.patch

I haven't been able to reproduce the exact error in the description here, but it does fail
intermittently for me as well.

I think the failures I get are due to the fact that "assert_almost_equals" defines "almost"
as within 16%, if I bump that to 30% I can't reproduce the error (been running in a loop for
2 hours now). I think we simply sometimes miss out on the 16% due to the randomness of vnode
selection.

> bootstrap_test simple_bootstrap_test dtest fails in 2.1
> -------------------------------------------------------
>
>                 Key: CASSANDRA-7010
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7010
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Tests
>            Reporter: Michael Shuler
>            Assignee: Marcus Eriksson
>             Fix For: 2.1 rc1
>
>         Attachments: 7010.patch
>
>
> I patched ccm with https://github.com/pcmanus/ccm/pull/109 and got an error from simple_bootstrap:
> {noformat}
> ======================================================================
> FAIL: simple_bootstrap_test (bootstrap_test.TestBootstrap)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>   File "/home/mshuler/git/cassandra-dtest/bootstrap_test.py", line 58, in simple_bootstrap_test
>     assert_almost_equal(initial_size, 2 * size1)
>   File "/home/mshuler/git/cassandra-dtest/assertions.py", line 26, in assert_almost_equal
>     assert vmin > vmax * (1.0 - error), "values not within %.2f%% of the max: %s"
% (error * 100, args)
> AssertionError: values not within 16.00% of the max: (0, 186396)
> {noformat}



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