Ten Thousand Leaves 51a9e54b21
Fix a bug that causes infinite loop (#17550)
This will cause AddNode() to keep its lock forever so DataCoord would just hang

issue: #17366
Signed-off-by: Yuchen Gao <yuchen.gao@zilliz.com>
2022-06-15 20:50:10 +08:00
..
2022-04-24 22:03:44 +08:00
2022-06-15 19:58:10 +08:00
2022-06-15 19:58:10 +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.