milvus-io/milvus v2.0.0-rc6

milvus-2.0.0-rc6

on GitHub

Release date: 2021-09-10

Compatibility

Milvus 2.0.0-RC6 is a preview version of Milvus 2.0.0. It supports specifying shard number when creating collections, and query by expression. It exposes more cluster metrics through API. In RC6 we inceases the unit test coverage to 80%. We also fixed a series of issues involving resource leakage, system panic, etc.

Improvements

• Increases unit test coverage to 80%.

Features

• #7482 Supports specifying shard number when creating a collection.
• #7386 Supports query by expression.
• Exposes system metrics through API:
  • #7400 Proxy metrics integrate with other coordinators.
  • #7177 Exposes metrics of data node and data coord.
  • #7228 Exposes metrics of root coord.
  • #7472 Exposes more detailed metrics information.
  • #7436 Supports caching the system information metrics.

Bug Fixes

• #7434 Query node OOM if loading a collection that beyond the memory limit.
• #7678 Standalone OOM when recovering from existing storage.
• #7636 Standalone panic when sending message to a closed channel.
• #7631 Milvus panic when closing flowgraph.
• #7605 Milvus crashed with panic when running nightly CI tests.
• #7596 Nightly cases failed because rootcoord disconnected with etcd.
• #7557 Wrong search result returned when the term content in expression is not in order.
• #7536 Incorrect MqMsgStream Seek logic.
• #7527 Dataset's memory leak in knowhere when searching.
• #7444 Deadlock of channels time ticker.
• #7428 Possible deadlock when MqMsgStream broadcast fails.
• #7715 Query request overwritten by concurrent operations on the same slice.