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https://issues.apache.org/jira/browse/CASSANDRA-18715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17779562#comment-17779562
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Mike Adamson commented on CASSANDRA-18715:
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The latest CI runs are here:
|[5.0|https://github.com/apache/cassandra/pull/2673]|[CI|https://app.circleci.com/pipelines/github/mike-tr-adamson/cassandra/348/workflows/982fd591-c53a-4aa6-9a95-68f10df6bfae]|
|[trunk|https://github.com/apache/cassandra/pull/2765]|[CI|https://app.circleci.com/pipelines/github/mike-tr-adamson/cassandra/349/workflows/20dc9c0d-695a-4f85-b2e4-a568bac06bc6]|
> Add support for vector search in SAI
> ------------------------------------
>
> Key: CASSANDRA-18715
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18715
> Project: Cassandra
> Issue Type: Improvement
> Components: Feature/Vector Search
> Reporter: Mike Adamson
> Assignee: Mike Adamson
> Priority: Normal
> Fix For: 5.0-beta, 5.x
>
> Time Spent: 24h 10m
> Remaining Estimate: 0h
>
> The patch associated with this ticket adds a new vector index to SAI. This
> introduces the following new elements and changes to SAI:
> * VectorMemtableIndex - the in-memory representation of the vector indexes
> that writes data to a DiskANN instance
> * VectorSegmentBuilder - that writes a DiskANN graph to the following
> on-disk components:
> ** VECTOR - contains the floating point vectors associated with the graph
> ** TERMS - contains the HNSW graph on-disk representation written by a
> HnswGraphWriter
> ** POSTINGS - contains the index postings as written by a
> VectorPostingsWriter
> * VectorIndexSegmentSearcher - used to search the on-disk DiskANN graph
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