[jira] [Commented] (CASSANDRA-15526) Fix flakey test - org.apache.cassandra.index.sasi.SASIIndexTest testConcurrentMemtableReadsAndWrites

["Jordan West (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-15526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17031111#comment-17031111 ] 

Jordan West commented on CASSANDRA-15526:
-----------------------------------------

I was able to reproduce locally and added a message to the assertion to get a bit more insight. When the {{TrieMemIndex}} is instantiated the map has a first and last key (it looks like a single key in this case) but size is returning 0. 

 
{code:java}
junit.framework.AssertionFailedError: min = -7787472368264638040, max = -7787472368264638040, count = 0 {code}

> 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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