Mike Adamson created CASSANDRA-18669:
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Summary: Concurrency is broken in the block balanced tree for
queries
Key: CASSANDRA-18669
URL: https://issues.apache.org/jira/browse/CASSANDRA-18669
Project: Cassandra
Issue Type: Bug
Components: Feature/SAI
Reporter: Mike Adamson
Assignee: Mike Adamson
Performance testing has highlighted that concurrent queries are broken against
the block balanced tree because the mutable traversal state was pushed up to
the walker that is linked to an SSTableIndex so is shared amongst all queries.
A new traversal state should be created for each query and marked as not
threadsafe. We should add a test to show that concurrent queries work against
the block balanced tree.
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