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https://issues.apache.org/jira/browse/CASSANDRA-15526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17033966#comment-17033966
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Ekaterina Dimitrova commented on CASSANDRA-15526:
-------------------------------------------------
[~jrwest] thanks!
As mentioned on Slack, I spent my afternoon to understand the codebase.
I don't see any other explanation for this flakiness than the one provided in
the java doc for the size function (as you also pointed out). Why we only see
it in java 11, that I am not sure about. Maybe we were just lucky before as
there is the same note for the size method for Java 8.
So this makes me think the efforts here should be to figure out a more stable
test which could assure the needed results with higher certainty. Let me know
if you agree with me here or if you have a different vision.
> Fix flakey test - org.apache.cassandra.index.sasi.SASIIndexTest
> testConcurrentMemtableReadsAndWrites
> ----------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-15526
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15526
> Project: Cassandra
> Issue Type: Bug
> Components: Test/unit
> Reporter: David Capwell
> Priority: Normal
> Fix For: 4.0-alpha
>
>
> {code}
> junit.framework.AssertionFailedError
> at
> org.apache.cassandra.index.sasi.utils.RangeIterator.<init>(RangeIterator.java:46)
> at
> org.apache.cassandra.index.sasi.memory.KeyRangeIterator.<init>(KeyRangeIterator.java:42)
> at
> org.apache.cassandra.index.sasi.memory.TrieMemIndex$ConcurrentTrie.search(TrieMemIndex.java:150)
> at
> org.apache.cassandra.index.sasi.memory.TrieMemIndex.search(TrieMemIndex.java:102)
> at
> org.apache.cassandra.index.sasi.memory.IndexMemtable.search(IndexMemtable.java:70)
> at
> org.apache.cassandra.index.sasi.conf.ColumnIndex.searchMemtable(ColumnIndex.java:138)
> at org.apache.cassandra.index.sasi.TermIterator.build(TermIterator.java:91)
> at
> org.apache.cassandra.index.sasi.plan.QueryController.getIndexes(QueryController.java:145)
> at
> org.apache.cassandra.index.sasi.plan.Operation$Builder.complete(Operation.java:434)
> at org.apache.cassandra.index.sasi.plan.QueryPlan.analyze(QueryPlan.java:57)
> at org.apache.cassandra.index.sasi.plan.QueryPlan.execute(QueryPlan.java:68)
> at
> org.apache.cassandra.index.sasi.SASIIndex.lambda$searcherFor$2(SASIIndex.java:301)
> at org.apache.cassandra.db.ReadCommand.executeLocally(ReadCommand.java:455)
> at
> org.apache.cassandra.index.sasi.SASIIndexTest.getIndexed(SASIIndexTest.java:2576)
> at
> org.apache.cassandra.index.sasi.SASIIndexTest.getPaged(SASIIndexTest.java:2537)
> at
> org.apache.cassandra.index.sasi.SASIIndexTest.testConcurrentMemtableReadsAndWrites(SASIIndexTest.java:1108)
> 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)
> {code}
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