[Feature]: Implement a preprocessing and post processing module on proxy

[xiaofan-luan]

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Is your feature request related to a problem? Please describe.

Description: The proxy component in Milvus plays a crucial role in handling client requests and managing data flow. Enhancing this component with preprocessing and postprocessing modules can significantly improve the convenience of data/result processing. Here's a detailed breakdown of the proposed implementation:

Preprocessing Module typical functions:

Normalization: Automatically normalize vector data to a standard form during insertion, ensuring consistent data format which is crucial for accurate similarity searches.

Dimension Reduction: Apply dimensionality reduction techniques to transform high-dimensional data into a lower-dimensional space, reducing storage requirements and potentially improving the efficiency of subsequent operations.

Scalar Transformation: Perform scalar transformations on vector data to conform to specific scales or ranges, aiding in more meaningful analysis and comparisons.

Postprocessing Module typical functions:

Search Result Handling: Develop functionalities to handle and manipulate search query results, such as sorting, filtering, or clustering, to provide more insightful and organized output to the users.

Ranking and Re-ranking: Implement ranking and re-ranking mechanisms to order the search results based on certain criteria, ensuring the most relevant results are presented at the top.

Modular and Extensible Architecture:

Design the modules in a modular and extensible manner, allowing for easy addition of new preprocessing and postprocessing operations in the future as per the community's needs.

User-Friendly Configuration:

Allow users to easily configure the preprocessing and postprocessing operations through a user-friendly interface, possibly integrating with the existing Milvus CLI or developing a dedicated interface. Comprehensive Documentation and Tutorials:

Create detailed documentation and tutorials demonstrating the usage and benefits of these modules, ensuring users can effectively leverage these new capabilities.

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Anything else? (Additional Context)

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[ArenaSu]

@xiaofan-luan Hello，has this feature been implemented?

[xiaofan-luan]

This is under under discussion but not start yet.

@ArenaSu is you can give us more feedback about what is your use case that would be great helpful

[ArenaSu]

This is under under discussion but not start yet.

@ArenaSu is you can give us more feedback about what is your use case that would be great helpful

I just want to contribute to the community, but there are fewer features that include good-first-issue tag, so I would like to consult whether this feature is necessary.

[xiaofan-luan]

This is under under discussion but not start yet. @ArenaSu is you can give us more feedback about what is your use case that would be great helpful

I just want to contribute to the community, but there are fewer features that include good-first-issue tag, so I would like to consult whether this feature is necessary.

@congqixia could you help with @ArenaSu to find something to start with?

[ArenaSu]

And I prefer to develop in golang language.

[congqixia]

This is under under discussion but not start yet. @ArenaSu is you can give us more feedback about what is your use case that would be great helpful

I just want to contribute to the community, but there are fewer features that include good-first-issue tag, so I would like to consult whether this feature is necessary.

@congqixia could you help with @ArenaSu to find something to start with?

sure

@ArenaSu which parts are you interested in here?

[ArenaSu]

@congqixia My team may contribute most parts of Milvus. At the beginning I want to contribute to the features related to main business process.

[ArenaSu]

@congqixia Any part is ok for me such as proxy, root coord or data coord.

[congqixia]

@ArenaSu you could find me on discord and we could discuss this in detail~

[ArenaSu]

@congqixia My discord account is arenasu.

[CaoHaiNam]

@xiaofan-luan Hi, is this issue still needed? I prefer to develop in python3 language and have already completed Normalization feature.