yihao.dai d26b563a8b
feat: Define import API and metadata (#28731)
Define the new rpc and metadata for ImportV2.

see also: https://github.com/milvus-io/milvus/issues/28521

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Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
2023-12-04 19:56:35 +08:00
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Data Coordinator

Data cooridnator(datacoord for short) is the component to organize DataNodes and segments allocations.

Dependency

  • KV store: a kv store has all the meta info datacoord needs to operate. (etcd)
  • Message stream: a message stream to communicate statistics information with data nodes. (Pulsar)
  • Root Coordinator: timestamp, id and meta source.
  • Data Node(s): could be an instance or a cluster, actual worker group handles data modification operations.