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docs: provider and distro codegen migration (#3531)
# What does this PR do? <!-- Provide a short summary of what this PR does and why. Link to relevant issues if applicable. --> <!-- If resolving an issue, uncomment and update the line below --> <!-- Closes #[issue-number] --> - Updates provider and distro codegen to handle the new format - Migrates provider and distro files to the new format ## Test Plan - Manual testing <!-- Describe the tests you ran to verify your changes with result summaries. *Provide clear instructions so the plan can be easily re-executed.* -->
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Alexey Rybak
GitHub
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103 changed files with 1796 additions and 423 deletions
426
docs/docs/providers/vector_io/remote_milvus.mdx
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docs/docs/providers/vector_io/remote_milvus.mdx
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---
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description: |
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[Milvus](https://milvus.io/) is an inline and remote vector database provider for Llama Stack. It
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allows you to store and query vectors directly within a Milvus database.
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That means you're not limited to storing vectors in memory or in a separate service.
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## Features
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- Easy to use
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- Fully integrated with Llama Stack
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- Supports all search modes: vector, keyword, and hybrid search (both inline and remote configurations)
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## Usage
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To use Milvus in your Llama Stack project, follow these steps:
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1. Install the necessary dependencies.
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2. Configure your Llama Stack project to use Milvus.
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3. Start storing and querying vectors.
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## Installation
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If you want to use inline Milvus, you can install:
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```bash
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pip install pymilvus[milvus-lite]
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```
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If you want to use remote Milvus, you can install:
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```bash
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pip install pymilvus
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```
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## Configuration
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In Llama Stack, Milvus can be configured in two ways:
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- **Inline (Local) Configuration** - Uses Milvus-Lite for local storage
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- **Remote Configuration** - Connects to a remote Milvus server
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### Inline (Local) Configuration
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The simplest method is local configuration, which requires setting `db_path`, a path for locally storing Milvus-Lite files:
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```yaml
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vector_io:
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- provider_id: milvus
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provider_type: inline::milvus
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config:
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db_path: ~/.llama/distributions/together/milvus_store.db
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```
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### Remote Configuration
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Remote configuration is suitable for larger data storage requirements:
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#### Standard Remote Connection
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```yaml
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vector_io:
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- provider_id: milvus
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provider_type: remote::milvus
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config:
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uri: "http://<host>:<port>"
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token: "<user>:<password>"
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```
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#### TLS-Enabled Remote Connection (One-way TLS)
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For connections to Milvus instances with one-way TLS enabled:
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```yaml
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vector_io:
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- provider_id: milvus
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provider_type: remote::milvus
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config:
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uri: "https://<host>:<port>"
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token: "<user>:<password>"
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secure: True
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server_pem_path: "/path/to/server.pem"
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```
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#### Mutual TLS (mTLS) Remote Connection
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For connections to Milvus instances with mutual TLS (mTLS) enabled:
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```yaml
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vector_io:
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- provider_id: milvus
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provider_type: remote::milvus
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config:
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uri: "https://<host>:<port>"
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token: "<user>:<password>"
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secure: True
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ca_pem_path: "/path/to/ca.pem"
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client_pem_path: "/path/to/client.pem"
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client_key_path: "/path/to/client.key"
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```
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#### Key Parameters for TLS Configuration
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- **`secure`**: Enables TLS encryption when set to `true`. Defaults to `false`.
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- **`server_pem_path`**: Path to the **server certificate** for verifying the server's identity (used in one-way TLS).
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- **`ca_pem_path`**: Path to the **Certificate Authority (CA) certificate** for validating the server certificate (required in mTLS).
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- **`client_pem_path`**: Path to the **client certificate** file (required for mTLS).
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- **`client_key_path`**: Path to the **client private key** file (required for mTLS).
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## Search Modes
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Milvus supports three different search modes for both inline and remote configurations:
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### Vector Search
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Vector search uses semantic similarity to find the most relevant chunks based on embedding vectors. This is the default search mode and works well for finding conceptually similar content.
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```python
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# Vector search example
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search_response = client.vector_stores.search(
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vector_store_id=vector_store.id,
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query="What is machine learning?",
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search_mode="vector",
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max_num_results=5,
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)
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```
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### Keyword Search
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Keyword search uses traditional text-based matching to find chunks containing specific terms or phrases. This is useful when you need exact term matches.
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```python
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# Keyword search example
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search_response = client.vector_stores.search(
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vector_store_id=vector_store.id,
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query="Python programming language",
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search_mode="keyword",
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max_num_results=5,
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)
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```
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### Hybrid Search
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Hybrid search combines both vector and keyword search methods to provide more comprehensive results. It leverages the strengths of both semantic similarity and exact term matching.
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#### Basic Hybrid Search
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```python
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# Basic hybrid search example (uses RRF ranker with default impact_factor=60.0)
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search_response = client.vector_stores.search(
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vector_store_id=vector_store.id,
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query="neural networks in Python",
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search_mode="hybrid",
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max_num_results=5,
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)
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```
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**Note**: The default `impact_factor` value of 60.0 was empirically determined to be optimal in the original RRF research paper: ["Reciprocal Rank Fusion outperforms Condorcet and individual Rank Learning Methods"](https://plg.uwaterloo.ca/~gvcormac/cormacksigir09-rrf.pdf) (Cormack et al., 2009).
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#### Hybrid Search with RRF (Reciprocal Rank Fusion) Ranker
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RRF combines rankings from vector and keyword search by using reciprocal ranks. The impact factor controls how much weight is given to higher-ranked results.
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```python
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# Hybrid search with custom RRF parameters
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search_response = client.vector_stores.search(
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vector_store_id=vector_store.id,
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query="neural networks in Python",
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search_mode="hybrid",
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max_num_results=5,
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ranking_options={
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"ranker": {
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"type": "rrf",
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"impact_factor": 100.0, # Higher values give more weight to top-ranked results
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}
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},
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)
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```
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#### Hybrid Search with Weighted Ranker
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Weighted ranker linearly combines normalized scores from vector and keyword search. The alpha parameter controls the balance between the two search methods.
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```python
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# Hybrid search with weighted ranker
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search_response = client.vector_stores.search(
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vector_store_id=vector_store.id,
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query="neural networks in Python",
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search_mode="hybrid",
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max_num_results=5,
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ranking_options={
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"ranker": {
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"type": "weighted",
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"alpha": 0.7, # 70% vector search, 30% keyword search
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}
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},
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)
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```
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For detailed documentation on RRF and Weighted rankers, please refer to the [Milvus Reranking Guide](https://milvus.io/docs/reranking.md).
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## Documentation
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See the [Milvus documentation](https://milvus.io/docs/install-overview.md) for more details about Milvus in general.
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For more details on TLS configuration, refer to the [TLS setup guide](https://milvus.io/docs/tls.md).
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sidebar_label: Remote - Milvus
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title: remote::milvus
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---
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# remote::milvus
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## Description
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[Milvus](https://milvus.io/) is an inline and remote vector database provider for Llama Stack. It
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allows you to store and query vectors directly within a Milvus database.
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That means you're not limited to storing vectors in memory or in a separate service.
|
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|
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## Features
|
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|
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- Easy to use
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- Fully integrated with Llama Stack
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- Supports all search modes: vector, keyword, and hybrid search (both inline and remote configurations)
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|
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## Usage
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|
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To use Milvus in your Llama Stack project, follow these steps:
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|
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1. Install the necessary dependencies.
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2. Configure your Llama Stack project to use Milvus.
|
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3. Start storing and querying vectors.
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|
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## Installation
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|
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If you want to use inline Milvus, you can install:
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|
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```bash
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pip install pymilvus[milvus-lite]
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```
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If you want to use remote Milvus, you can install:
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```bash
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pip install pymilvus
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```
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## Configuration
|
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|
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In Llama Stack, Milvus can be configured in two ways:
|
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- **Inline (Local) Configuration** - Uses Milvus-Lite for local storage
|
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- **Remote Configuration** - Connects to a remote Milvus server
|
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|
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### Inline (Local) Configuration
|
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|
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The simplest method is local configuration, which requires setting `db_path`, a path for locally storing Milvus-Lite files:
|
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|
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```yaml
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vector_io:
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- provider_id: milvus
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provider_type: inline::milvus
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config:
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db_path: ~/.llama/distributions/together/milvus_store.db
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```
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### Remote Configuration
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Remote configuration is suitable for larger data storage requirements:
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#### Standard Remote Connection
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```yaml
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vector_io:
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- provider_id: milvus
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provider_type: remote::milvus
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config:
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uri: "http://<host>:<port>"
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token: "<user>:<password>"
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```
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|
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#### TLS-Enabled Remote Connection (One-way TLS)
|
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|
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For connections to Milvus instances with one-way TLS enabled:
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```yaml
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vector_io:
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- provider_id: milvus
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provider_type: remote::milvus
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config:
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uri: "https://<host>:<port>"
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token: "<user>:<password>"
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secure: True
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server_pem_path: "/path/to/server.pem"
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```
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#### Mutual TLS (mTLS) Remote Connection
|
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|
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For connections to Milvus instances with mutual TLS (mTLS) enabled:
|
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|
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```yaml
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vector_io:
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- provider_id: milvus
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provider_type: remote::milvus
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config:
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uri: "https://<host>:<port>"
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token: "<user>:<password>"
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secure: True
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ca_pem_path: "/path/to/ca.pem"
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client_pem_path: "/path/to/client.pem"
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client_key_path: "/path/to/client.key"
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```
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#### Key Parameters for TLS Configuration
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- **`secure`**: Enables TLS encryption when set to `true`. Defaults to `false`.
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- **`server_pem_path`**: Path to the **server certificate** for verifying the server's identity (used in one-way TLS).
|
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- **`ca_pem_path`**: Path to the **Certificate Authority (CA) certificate** for validating the server certificate (required in mTLS).
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- **`client_pem_path`**: Path to the **client certificate** file (required for mTLS).
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- **`client_key_path`**: Path to the **client private key** file (required for mTLS).
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|
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## Search Modes
|
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|
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Milvus supports three different search modes for both inline and remote configurations:
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|
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### Vector Search
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Vector search uses semantic similarity to find the most relevant chunks based on embedding vectors. This is the default search mode and works well for finding conceptually similar content.
|
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|
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```python
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# Vector search example
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search_response = client.vector_stores.search(
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vector_store_id=vector_store.id,
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query="What is machine learning?",
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search_mode="vector",
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max_num_results=5,
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)
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```
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### Keyword Search
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Keyword search uses traditional text-based matching to find chunks containing specific terms or phrases. This is useful when you need exact term matches.
|
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|
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```python
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# Keyword search example
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search_response = client.vector_stores.search(
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vector_store_id=vector_store.id,
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query="Python programming language",
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search_mode="keyword",
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max_num_results=5,
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)
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```
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### Hybrid Search
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Hybrid search combines both vector and keyword search methods to provide more comprehensive results. It leverages the strengths of both semantic similarity and exact term matching.
|
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|
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#### Basic Hybrid Search
|
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```python
|
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# Basic hybrid search example (uses RRF ranker with default impact_factor=60.0)
|
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search_response = client.vector_stores.search(
|
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vector_store_id=vector_store.id,
|
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query="neural networks in Python",
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search_mode="hybrid",
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max_num_results=5,
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)
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```
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**Note**: The default `impact_factor` value of 60.0 was empirically determined to be optimal in the original RRF research paper: ["Reciprocal Rank Fusion outperforms Condorcet and individual Rank Learning Methods"](https://plg.uwaterloo.ca/~gvcormac/cormacksigir09-rrf.pdf) (Cormack et al., 2009).
|
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|
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#### Hybrid Search with RRF (Reciprocal Rank Fusion) Ranker
|
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RRF combines rankings from vector and keyword search by using reciprocal ranks. The impact factor controls how much weight is given to higher-ranked results.
|
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|
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```python
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# Hybrid search with custom RRF parameters
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search_response = client.vector_stores.search(
|
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vector_store_id=vector_store.id,
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query="neural networks in Python",
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search_mode="hybrid",
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max_num_results=5,
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ranking_options={
|
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"ranker": {
|
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"type": "rrf",
|
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"impact_factor": 100.0, # Higher values give more weight to top-ranked results
|
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}
|
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},
|
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)
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```
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#### Hybrid Search with Weighted Ranker
|
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Weighted ranker linearly combines normalized scores from vector and keyword search. The alpha parameter controls the balance between the two search methods.
|
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|
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```python
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# Hybrid search with weighted ranker
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search_response = client.vector_stores.search(
|
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vector_store_id=vector_store.id,
|
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query="neural networks in Python",
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search_mode="hybrid",
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max_num_results=5,
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ranking_options={
|
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"ranker": {
|
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"type": "weighted",
|
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"alpha": 0.7, # 70% vector search, 30% keyword search
|
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}
|
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},
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)
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```
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For detailed documentation on RRF and Weighted rankers, please refer to the [Milvus Reranking Guide](https://milvus.io/docs/reranking.md).
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|
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## Documentation
|
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See the [Milvus documentation](https://milvus.io/docs/install-overview.md) for more details about Milvus in general.
|
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|
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For more details on TLS configuration, refer to the [TLS setup guide](https://milvus.io/docs/tls.md).
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## Configuration
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| Field | Type | Required | Default | Description |
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|-------|------|----------|---------|-------------|
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| `uri` | `<class 'str'>` | No | | The URI of the Milvus server |
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| `token` | `str \| None` | No | | The token of the Milvus server |
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| `consistency_level` | `<class 'str'>` | No | Strong | The consistency level of the Milvus server |
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| `kvstore` | `utils.kvstore.config.RedisKVStoreConfig \| utils.kvstore.config.SqliteKVStoreConfig \| utils.kvstore.config.PostgresKVStoreConfig \| utils.kvstore.config.MongoDBKVStoreConfig` | No | sqlite | Config for KV store backend |
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| `config` | `dict` | No | {} | This configuration allows additional fields to be passed through to the underlying Milvus client. See the [Milvus](https://milvus.io/docs/install-overview.md) documentation for more details about Milvus in general. |
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:::note
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This configuration class accepts additional fields beyond those listed above. You can pass any additional configuration options that will be forwarded to the underlying provider.
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:::
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## Sample Configuration
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```yaml
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uri: ${env.MILVUS_ENDPOINT}
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token: ${env.MILVUS_TOKEN}
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kvstore:
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type: sqlite
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db_path: ${env.SQLITE_STORE_DIR:=~/.llama/dummy}/milvus_remote_registry.db
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```
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