ZhaoYang created CASSANDRA-16092:
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Summary: Add Index Group Interface for Storage Attached Index
Key: CASSANDRA-16092
URL: https://issues.apache.org/jira/browse/CASSANDRA-16092
Project: Cassandra
Issue Type: New Feature
Components: Feature/SASI
Reporter: ZhaoYang
[Index
group|https://github.com/datastax/cassandra/blob/storage_attached_index/src/java/org/apache/cassandra/index/Index.java#L634]
interface allows:
* indexes on the same table to receive centralized lifecycle events called
secondary index groups. Sharing of data between multiple column indexes on the
same table allows SAI disk usage to realise significant space savings over
other index implementations.
* index-group to analyze user query and provide a query plan that leverages all
available indexes within the group.
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