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

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 4.0-alpha4, 4.0
• Component/s: Feature/SASI, Test/unit
• Labels: pull-request-available
• Bug Category: Correctness - Test Failure
• Severity: Normal
• Complexity: Normal
• Discovered By: Unit Test
• Platform: All
• Since Version: 4.0-alpha

Source Control Link

https://github.com/apache/cassandra/commit/731dfda99249c9b64fca5fa258c6078bfbe040ac

Test and Documentation Plan

Execute SASIIndexTest#testConcurrentMemtableReadsAndWrites in debug mode and set a breakpoint on line 1087 and step over it until the assertion error is thrown.

• Assignee: Gianluca Righetto
• Reporter: David Capwell

Authors

Gianluca Righetto

Reviewers

Ekaterina Dimitrova, Zhao Yang

• Created: 24/Jan/20 23:38
• Updated: 16/Mar/22 13:15
• Resolved: 19/Mar/20 19:53

Description

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)

Issue Links

• Blocked: CASSANDRA-15527 Fix flakey test - org.apache.cassandra.index.sasi.SASIIndexTest testCrossSSTableQueries
• Blocked: CASSANDRA-15528 Fix flakey test - org.apache.cassandra.index.sasi.SASIIndexTest testInvalidate
• is related to: CASSANDRA-16444 Fix flaky test testMultiExpressionQueriesWhereRowSplitBetweenSSTables - org.apache.cassandra.index.sasi.SASIIndexTest
• relates to: CASSANDRA-15527 Fix flakey test - org.apache.cassandra.index.sasi.SASIIndexTest testCrossSSTableQueries
• links to: GitHub Pull Request #475
• links to: GitHub Pull Request #478