v2.4.20

milvus-io/milvusv2.4.20Jan 2, 2025by yanliang567

AI Summary

Milvus 2.4.20 addresses critical issues including mmap for sparse index, database name parsing errors, and deadlocks in compaction tasks. It also introduces an enhancement allowing system limit adjustment for maximum varchar length.

Key Highlights

Enabled mmap for sparse index.
Fixed alter collection field interceptor for database name parsing.
Fixed compaction task lock release issues.
Configurable maximum VARCHAR length via YAML file.

New Features

Configurable max VARCHAR length parameter

Full Release Notes

## v2.4.20

Release Date: Janurary 2, 2025

| Milvus version | Python SDK version | Java SDK version | Node.js SDK version |
|----------------|--------------------|------------------|---------------------|
| 2.4.20         | 2.4.13             | 2.4.10           | 2.4.10              |

Milvus 2.4.20 addresses several critical issues, including fixing mmap for sparse index, resolving the failure to parse the correct database name when altering collection fields, and preventing deadlocks in multiple compaction tasks within the scheduler. Additionally, this version introduces an enhancement that allows adjustment of the system limit for maximum varchar length through a configuration item in the YAML file. We highly recommend upgrading to this version for improved stability and reliability.

### Improvements

- Added param for tuning max varchar length ([#38890](https://github.com/milvus-io/milvus/pull/38890))

### Bug fixes

- Enabled mmap for sparse index ([#38849](https://github.com/milvus-io/milvus/pull/38849))
- Fixed altercollectionfield interceptor dbname ([#38664](https://github.com/milvus-io/milvus/pull/38664))
- Released compaction task lock when return function ([#38857](https://github.com/milvus-io/milvus/pull/38857))
- Retrieve plan on heap was used after free when reduce ([#38842](https://github.com/milvus-io/milvus/pull/38842))