XuanYang-cn 8037f35de7
Change MetaCache interface (#28388)
See also: #28320, #27675

Signed-off-by: yangxuan <xuan.yang@zilliz.com>
Co-authored-by: Congqi Xia <congqi.xia@zilliz.com>
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Data Node

DataNode is the component to write insert and delete messages into persistent blob storage, for example MinIO or S3.

Dependency

  • KV store: a kv store that persists messages into blob storage.
  • Message stream: receive messages and publish imformation
  • Root Coordinator: get the latest unique IDs.
  • Data Coordinator: get the flush information and which message stream to subscribe.