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Released: with Milvus 2.1 

Authors:  

Summary

 Milvus supports Kafka as a message stream,  we can use the configuration option to decide to use Pulsar or Kafka on cluster mode.


Motivation

The log broker is a pub-sub system within Milvus, It is responsible for streaming data persistence,  event notification, recovery etc.  Now Milvus cluster mode uses Pulsar as a log broker, and standalone mode uses RocksDB. 

Apache Kafka is a distributed event store and stream-processing platform, and it is a popular solution for data streaming needs.  Many community users expect Milvus to support Kafka because they have already used it in the production environment.

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Summary

 Milvus supports Kafka as a message stream,  we can use the configuration option to decide to use Pulsar or Kafka on cluster mode.

Design Details

  • add kafka and zookepper dev docker
  • optimization mq_factory configuration initialization
  • remove reader
  • implement msg_stream with kafka 

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