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Major functionalities

Change data capture

        User can subscribe both DDL and DML data from the message storage

Search by ID

         Given a entity ID, search for the closest TOP N of this entity

Segment LRU load

        If data/index size is too large to fit in memory, support to load segment in LRU mode from disk.

Support alter collection attribute/schema

        Alter collection to update attributes such as replica number, compression or add one field to collection

Vector Range Search (search by distance)

       Find all matched entity where distance > xxx or distance < xxx

Query Result pagination

       If query result is  large, pagination is required to avoid large memory consumption on proxy and SDK side.

Coordinator Primary/Backup

        Failover fast when coordinator crash

GPU INDEX

        Support Faiss GPU index building and search.

RBAC Support


Enhancement

Refactor collection Alias


Refactor meta storage and meta storage format


Performance optimization




Others 

Refine Log and Error message 


Support more vector index such as diskANN(Optional)


Auto Scalar(Optional)