Release notes

v1.1.0

Release date：2021-05-07

Compatibility

Milvus version	Python SDK version	Java SDK version	Go SDK version
1.1.0	1.1.0	1.1.1	1.1.0

New Features

#4564 Supports specifying partition in a get_entity_by_id() method call.
#4806 Supports specifying partition in a delete_entity_by_id() method call.
#4905 Adds the release_collection() method, which unloads a specific collection from cache.

Improvements

#4756 Improves the performance of the get_entity_by_id() method call.
#4856 Upgrades hnswlib to v0.5.0.
#4958 Improves the performance of IVF index training.

Fixed issues

#4778 Fails to access vector index in Mishards.
#4797 The system returns false results after merging search requests with different topK parameters.
#4838 The server does not respond immediately to an index building request on an empty collection.
#4858 For GPU-enabled Milvus, the system crashes on a search request with a large topK (> 2048).
#4862 A read-only node merges segments during startup.
#4894 The capacity of a Bloom filter does not equal to the row count of the segment it belongs to.
#4908 The GPU cache is not cleaned up after a collection is dropped.
#4933 It takes a long while for the system to build index for a small segment.
#4952 Fails to set timezone as "UTC + 5:30".
#5008 The system crashes randomly during continuous, concurrent delete, insert, and search operations.
#5010 For GPU-enabled Milvus, query fails on IVF_PQ if nbits ≠ 8.
#5050 get_collection_stats() returns false index type for segments still in the process of index building.
#5063 The system crashes when an empty segment is flushed.
#5078 For GPU-enabled Milvus, the system crashes when creating an IVF index on vectors of 2048, 4096, or 8192 dimensions.

v1.0.0

Release date：2021-03-09

Compatibility

Milvus version	Python SDK version	Java SDK version	Go SDK version
1.0.0	1.0.x	1.0.x	1.0.x

New Features

Supports writing log to stdout. #3977

Improvements

Reduces the package size of grpc-milvus for the C++ SDK. #4754

Fixed issues

Memory leaks during indexing or querying operations. #4749, #4757, #4765, #4766

For more information about the features of Milvus 1.0, go to What's Inside Milvus 1.0?.

For more information about its roadmap, see Milvus 1.0: The World's Most Popular Open-Source Vector Database Just Got Better.