Release date：2020-5-15
Compatibility
| Milvus version | Python SDK version | Java SDK version | Go SDK version |
|---|---|---|---|
| 0.9.0 | 0.2.11 | 0.8.0 | 0.4.0 |
New features
- Checks the CPU instruction set, GPU driver version, and CUDA version, when Milvus starts up. #2054 #2111
- Prevents multiple Milvus instances from accessing the same Milvus database at the same time. #2059
- Supports log file rotating. #2206
- Suspends index building when a search request comes in. #2283
Improvements
- Refactors log output. #221
- Upgrades OpenBLAS to improve Milvus' performance. #1796
- Unifies the vector distance calculation algorithms among FAISS, NSG, HNSW, and ANNOY. #1965
- Supports SSE4.2 instruction set. #2039
- Refactors the configuration files. #2149 #2167
- Uses Elkan K-means algorithm to improve the IVF index performance. #2178
Fixed issues
See CHANGELOG for more information.
API changes
Added methods
| C++ | Python | Java | Go |
|---|---|---|---|
HasPartition
| has_partition
| hasPartition
| HasPartition
|
Changed methods
| C++ | Python | Java | Go | |
|---|---|---|---|---|
| Earlier than v0.9.0 | DescribeCollection
| describe_collection
| describeCollection
| DescribeCollection
|
| v0.9.0 | GetCollectionInfo
| get_collection_info
| getCollectionInfo
| GetCollectionInfo
|
| C++ | Python | Java | Go | |
|---|---|---|---|---|
| Earlier than v0.9.0 | CountCollection
| count_collection
| getCollectionRowCount
| CountCollection
|
| v0.9.0 | CountEntities
| count_entities
| countEntities
| CountEntities
|
| C++ | Python | Java | Go | |
|---|---|---|---|---|
| Earlier than v0.9.0 | ShowCollections
| show_collections
| showCollections
| ShowCollections
|
| v0.9.0 | ListCollections
| list_collections
| listCollections
| ListCollections
|
| C++ | Python | Java | Go | |
|---|---|---|---|---|
| Earlier than v0.9.0 | ShowCollectionInfo
| collection_info
| showCollectionInfo
| ShowCollectionInfo
|
| v0.9.0 | GetCollectionStats
| get_collection_stats
| getCollectionStats
| GetCollectionStats
|
| C++ | Python | Java | Go | |
|---|---|---|---|---|
| Earlier than v0.9.0 | DescribeIndex
| describe_index
| describeIndex
| DescribeIndex
|
| v0.9.0 | GetIndexInfo
| get_index_info
| getIndexInfo
| GetIndexInfo
|
| C++ | Python | Java | Go | |
|---|---|---|---|---|
| Earlier than v0.9.0 | ShowPartitions
| show_partitions
| showPartitions
| ShowPartitions
|
| v0.9.0 | ListPartitions
| list_partitions
| listPartitions
| ListPartitions
|
| C++ | Python | Java | Go | |
|---|---|---|---|---|
| Earlier than v0.9.0 | GetEntitiesByID
| get_vectors_by_ids
| getVectorsByIds
| GetVectorsByID
|
| v0.9.0 | GetEntityByID
| get_entity_by_id
| getEntityByID
| GetEntityByID
|
| C++ | Python | Java | Go | |
|---|---|---|---|---|
| Earlier than v0.9.0 | GetIDsInSegment
| get_vector_ids
| getVectorIds
| GetEntityIDs
|
| v0.9.0 | ListIDInSegment
| list_id_in_segment
| listIDInSegment
| ListIDInSegment
|
| C++ | Python | Java | Go | |
|---|---|---|---|---|
| Earlier than v0.9.0 | N/A | search_in_files
| searchInFiles
| N/A |
| v0.9.0 | N/A | search_in_segment
| DELETED | N/A |
| C++ | Python | Java | Go | |
|---|---|---|---|---|
| Earlier than v0.9.0 | DeleteByID
| delete_by_id
| deleteByIds
| DeleteByID
|
| v0.9.0 | DeleteEntityByID
| delete_entity_by_id
| deleteEntityByID
| DeleteEntityByID
|
| C++ | Python | Java | Go | |
|---|---|---|---|---|
| Earlier than v0.9.0 | PreloadCollection
| preload_collection
| preloadCollection
| PreloadCollection
|
| v0.9.0 | LoadCollection
| load_collection
| loadCollection
| LoadCollection
|
| C++ | Python | Java | Go | |
|---|---|---|---|---|
| Earlier than v0.9.0 | FlushCollection and Flush
| flush
| flush and flushAsync
| Flush
|
| v0.9.0 | Flush
| UNCHANGED | UNCHANGED | UNCHANGED |
| C++ | Python | Java | Go | |
|---|---|---|---|---|
| Earlier than v0.9.0 | CompactCollection and Compact
| compact
| compact and compactAsync
| Compact
|
| v0.9.0 | Compact
| UNCHANGED | UNCHANGED | UNCHANGED |
| C++ | Python | Java | Go | |
|---|---|---|---|---|
| Earlier than v0.9.0 | Connect
| connect
| connect
| Connect
|
| v0.9.0 | UNCHANGED | DELETED | UNCHANGED | UNCHANGED |
| C++ | Python | Java | Go | |
|---|---|---|---|---|
| Earlier than v0.9.0 | Connected
| connected
| isConnected
| IsConnected
|
| v0.9.0 | UNCHANGED | DELETED | UNCHANGED | UNCHANGED |
| C++ | Python | Java | Go | |
|---|---|---|---|---|
| Earlier than v0.9.0 | Disconnect
| disconnect
| disconnect
| Disconnect
|
| v0.9.0 | UNCHANGED | DELETED | UNCHANGED | UNCHANGED |