congqixia ba84f52119
Fix watcher loop quit and channel shouldDrop logic (#23402)
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
2023-04-14 09:54:28 +08:00
..
2021-11-16 15:41:11 +08:00

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.