Mike Adamson created CASSANDRA-18216:
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Summary: Allow sharding of the SAI in-memory index
Key: CASSANDRA-18216
URL: https://issues.apache.org/jira/browse/CASSANDRA-18216
Project: Cassandra
Issue Type: Improvement
Components: Feature/SAI
Reporter: Mike Adamson
The Memtable implementation allows it to be split into a number of shards. This
reduces contention during writes.
The MemtableIndex in SAI should follow this practice. It currently does not
support sharding so all writes hit the same synchronized write block. The
in-memory index search can also use the sharding to reduce the number of
indexes that it searches based on the key range passed to the search.
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