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https://issues.apache.org/jira/browse/CASSANDRA-16052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17496261#comment-17496261
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Caleb Rackliffe commented on CASSANDRA-16052:
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I've created what will probably be a relative long-lived feature branch (that I
will try to keep rebased to {{trunk}}) for us to merge SAI-related work.
https://github.com/apache/cassandra/pull/1466
https://app.circleci.com/pipelines/github/maedhroz/cassandra?branch=CASSANDRA-16052
> CEP-7 Storage Attached Indexes
> ------------------------------
>
> Key: CASSANDRA-16052
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16052
> Project: Cassandra
> Issue Type: Epic
> Components: Feature/2i Index
> Reporter: Zhao Yang
> Assignee: Caleb Rackliffe
> Priority: Normal
> Fix For: 5.x
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> [CEP|https://docs.google.com/document/d/1V830eAMmQAspjJdjviVZIaSolVGvZ1hVsqOLWyV0DS4/edit#heading=h.67ap6rr1mxr]
> - A new index implementation, called Storage
> Attached Index(SAI), based on the advancement made by SASI.
> * disk usage by sharing of common data between multiple column indexes on
> the same table and better compression of on-disk structures.
> * numeric range query performance with modified KDTree and collection type
> support.
> * compaction performance and stability for larger data set.
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