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https://issues.apache.org/jira/browse/CASSANDRA-19011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17789202#comment-17789202
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Michael Semb Wever commented on CASSANDRA-19011:
------------------------------------------------
Moving to 5.0-rc given there's still a few unknowns here (relation to 19034,
reproducible) and that this is a new experiment marked non-default feature, etc.
> Harry-found exception in during SAI query
> -----------------------------------------
>
> Key: CASSANDRA-19011
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19011
> Project: Cassandra
> Issue Type: Bug
> Reporter: Alex Petrov
> Assignee: Caleb Rackliffe
> Priority: Normal
> Fix For: 5.0-beta
>
>
> Schema:
> {code:java}
> CREATE TABLE IF NOT EXISTS distributed_test_keyspace.tbl1 (pk1 bigint,ck1
> bigint,v1 ascii,v2 bigint, PRIMARY KEY (pk1, ck1)) WITH CLUSTERING ORDER BY
> (ck1 ASC);
> CREATE CUSTOM INDEX v1_sai_idx ON distributed_test_keyspace.tbl1 (v1) USING
> 'StorageAttachedIndex' WITH OPTIONS = {'case_sensitive': 'false',
> 'normalize': 'true', 'ascii': 'true'}; ;
> CREATE CUSTOM INDEX v2_sai_idx ON distributed_test_keyspace.tbl1 (v2) USING
> 'StorageAttachedIndex';
> {code}
> {code:java}
> java.lang.AssertionError: skipped to an item smaller than the target;
> iterator:
> org.apache.cassandra.index.sai.disk.IndexSearchResultIterator@f399f79, target
> key: PrimaryKey: { token: 8384965201802291970, partition:
> DecoratedKey(8384965201802291970, c4bc1c50f9e76a50), clustering:
> CLUSTERING:8b4b4c5991a4ea10 } , returned key: PrimaryKey: { token:
> 8384965201802291970, partition: DecoratedKey(8384965201802291970,
> c4bc1c50f9e76a50), clustering: CLUSTERING:89f1cf92658cb668 }
> at
> org.apache.cassandra.index.sai.iterators.KeyRangeIntersectionIterator.computeNext(KeyRangeIntersectionIterator.java:95)
> at
> org.apache.cassandra.index.sai.iterators.KeyRangeIntersectionIterator.computeNext(KeyRangeIntersectionIterator.java:39)
> at
> org.apache.cassandra.utils.AbstractGuavaIterator.tryToComputeNext(AbstractGuavaIterator.java:122)
> at
> org.apache.cassandra.index.sai.iterators.KeyRangeIterator.tryToComputeNext(KeyRangeIterator.java:129)
> at
> org.apache.cassandra.utils.AbstractGuavaIterator.hasNext(AbstractGuavaIterator.java:116)
> at
> org.apache.cassandra.index.sai.plan.StorageAttachedIndexSearcher$ResultRetriever.nextKey(StorageAttachedIndexSearcher.java:274)
> at
> org.apache.cassandra.index.sai.plan.StorageAttachedIndexSearcher$ResultRetriever.nextKeyInRange(StorageAttachedIndexSearcher.java:203)
> at
> org.apache.cassandra.index.sai.plan.StorageAttachedIndexSearcher$ResultRetriever.nextSelectedKeyInRange(StorageAttachedIndexSearcher.java:234)
> at
> org.apache.cassandra.index.sai.plan.StorageAttachedIndexSearcher$ResultRetriever.nextRowIterator(StorageAttachedIndexSearcher.java:188)
> at
> org.apache.cassandra.index.sai.plan.StorageAttachedIndexSearcher$ResultRetriever.computeNext(StorageAttachedIndexSearcher.java:169)
> at
> org.apache.cassandra.index.sai.plan.StorageAttachedIndexSearcher$ResultRetriever.computeNext(StorageAttachedIndexSearcher.java:111)
> at
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47)
> at
> org.apache.cassandra.db.transform.BasePartitions.hasNext(BasePartitions.java:91)
> at
> org.apache.cassandra.db.partitions.UnfilteredPartitionIterators$Serializer.serialize(UnfilteredPartitionIterators.java:338)
> at
> org.apache.cassandra.db.ReadResponse$LocalDataResponse.build(ReadResponse.java:201)
> at
> org.apache.cassandra.db.ReadResponse$LocalDataResponse.<init>(ReadResponse.java:186)
> at
> org.apache.cassandra.db.ReadResponse.createDataResponse(ReadResponse.java:48)
> at
> org.apache.cassandra.db.ReadCommand.createResponse(ReadCommand.java:346)
> at
> org.apache.cassandra.service.StorageProxy$LocalReadRunnable.runMayThrow(StorageProxy.java:2186)
> at
> org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:2581)
> at
> org.apache.cassandra.concurrent.ExecutionFailure$2.run(ExecutionFailure.java:163)
> at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:143)
> at
> relocated.shaded.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
> at java.base/java.lang.Thread.run(Thread.java:829) {code}
>
> Unfortunately, there's no tooling for shrinking around SAI just yet, but I
> have a programmatic repro using INSERT and DELETE statements. I will do my
> best to post it asap, but thought this can already be useful for visibility.
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