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https://issues.apache.org/jira/browse/CASSANDRA-16684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17356498#comment-17356498
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Ekaterina Dimitrova commented on CASSANDRA-16684:
-------------------------------------------------
I had an offline discussion and it seems this test can flake sometimes based on
the CI infrastructure and not due to product defect. The suggestion is to mark
it as flaky which I have done
[here|https://github.com/ekaterinadimitrova2/cassandra/commit/dd0f55567ac3c26e90b1a1a13204195b89b1644a]
[~blerer] or [~blambov], do you mind to review, please?
> Flaky MemtableSizeTest
> ----------------------
>
> Key: CASSANDRA-16684
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16684
> Project: Cassandra
> Issue Type: Bug
> Components: Test/unit
> Reporter: Berenguer Blasi
> Assignee: Ekaterina Dimitrova
> Priority: Normal
> Fix For: 4.0-rc2, 4.0, 4.x
>
>
> Flaky
> [MemtableSizeTest|https://ci-cassandra.apache.org/job/Cassandra-4.0/50/testReport/junit/org.apache.cassandra.cql3/MemtableSizeTest/testSize_compression/]
> {noformat}
> Error Message
> Expected heap usage close to 50.085MiB, got 41.294MiB.
> Stacktrace
> junit.framework.AssertionFailedError: Expected heap usage close to 50.085MiB,
> got 41.294MiB.
> at
> org.apache.cassandra.cql3.MemtableSizeTest.testSize(MemtableSizeTest.java:121)
> at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> Standard Output
> INFO [main] 2021-05-18 22:08:42,837 YamlConfigurationLoader.java:93 -
> Configuration location:
> file:////home/cassandra/cassandra/build/test/cassandra.compressed.yaml
> DEBUG [main] 2021-05-18 22:08:42,840 YamlConfigurationLoader.java:112 -
> Loading settings from
> file:////home/cassandra/cassandra/build/test/cassandra.compressed.yaml
> DEBUG [main] 2021-05-18 22:08:42,934 InternalLoggerFactory.java:63 - Using
> SLF4J as the default logging framework
> DEBUG [main] 2021-05-18 22:08:42,956 PlatformDependent0
> ...[truncated 86028 chars]...
> hed transaction log, deleting
> /home/cassandra/cassandra/build/test/cassandra/data/system_schema/keyspaces-abac5682dea631c5b535b3d6cffd0fb6/nb_txn_flush_a3253f00-b825-11eb-b0ec-cd4f0218a6b5.log
>
> DEBUG [MemtableFlushWriter:2] 2021-05-18 22:08:55,552
> ColumnFamilyStore.java:1197 - Flushed to
> [BigTableReader(path='/home/cassandra/cassandra/build/test/cassandra/data/system_schema/keyspaces-abac5682dea631c5b535b3d6cffd0fb6/nb-6-big-Data.db')]
> (1 sstables, 4.894KiB), biggest 4.894KiB, smallest 4.894KiB
> {noformat}
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