[jira] [Created] (CASSANDRA-18062) On-disk string index with index building and on-disk query path

["Mike Adamson (Jira)" <ji...@apache.org>]

Mike Adamson created CASSANDRA-18062:
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             Summary: On-disk string index with index building and on-disk query path
                 Key: CASSANDRA-18062
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-18062
             Project: Cassandra
          Issue Type: New Feature
          Components: Feature/SAI
            Reporter: Mike Adamson
            Assignee: Mike Adamson


An on-disk index for string (literal) datatypes. This index is used for the following datatypes:
 * `UTF8Type`
 * `AsciiType`
 * `CompositeType`
 * Frozen types

This includes the ability to write the index to disk at index creation, by specific index rebuild and during SSTable compaction. 

Also the ability to query the on-disk index and combine the results with those from the in-memory indexes created by CASSANDRA-18058.



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