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https://issues.apache.org/jira/browse/CASSANDRA-21182?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sam Lightfoot updated CASSANDRA-21182:
--------------------------------------
Description:
The test asserts memory has not grown on subsequent allocations, but gives no
tolerance for background allocations, and thus often fails because the
assertion is a few kb out of bounds.
Given we're asserting 64MB of growth has not happened, we can add a percentage
delta allowance to the assertion.
[https://pre-ci.cassandra.apache.org/job/cassandra/410/testReport/junit/dtest.largecolumn_test/TestLargeColumn/Tests___dtest_jdk21_34_64___test_cleanup/history/]
{code:java}
assert 66073403 < 66060288 {code}
was:
The test asserts memory has not grown on subsequent allocations, but gives no
tolerance for background allocations, and thus often fails because the
assertion is a few kb out of bounds.
Given we're asserting 64MB of growth has not happened, we can add a percentage
delta allowance to the assertion.
> Fix flaky DTest: largecolumn_test.TestLargeColumn
> -------------------------------------------------
>
> Key: CASSANDRA-21182
> URL: https://issues.apache.org/jira/browse/CASSANDRA-21182
> Project: Apache Cassandra
> Issue Type: Bug
> Components: Local/Compaction
> Reporter: Sam Lightfoot
> Assignee: Sam Lightfoot
> Priority: Normal
> Fix For: 5.1
>
>
> The test asserts memory has not grown on subsequent allocations, but gives no
> tolerance for background allocations, and thus often fails because the
> assertion is a few kb out of bounds.
> Given we're asserting 64MB of growth has not happened, we can add a
> percentage delta allowance to the assertion.
> [https://pre-ci.cassandra.apache.org/job/cassandra/410/testReport/junit/dtest.largecolumn_test/TestLargeColumn/Tests___dtest_jdk21_34_64___test_cleanup/history/]
> {code:java}
> assert 66073403 < 66060288 {code}
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