XuanYang-cn b90fa5f459
Refine codes of datanode buffer (#23168)
This PR refines deltabuffer of datanode:
- Add last sync time for compacted segment, see also: #23210
- Ensure all deltabuffermanager handles all delete related operations
- Change usedMemory to atomic.Int64
- Remove allocator in delete buffer

Signed-off-by: yangxuan <xuan.yang@zilliz.com>
2023-04-10 18:42:30 +08:00
..
2021-11-16 15:41:11 +08:00

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.