congqixia c7f55c2e34
Make SessionWatch keep watch even no Rewatch func when find ErrCompacted (#15497)
Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
2022-02-15 15:07:48 +08:00
..
2022-01-05 14:18:08 +08:00
2022-01-05 14:10:35 +08:00
2021-12-20 14:36:38 +08:00
2021-11-16 15:41:11 +08:00
2022-01-05 14:08:42 +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.