congqixia 6ef677f79e
fix: Remove metrics after flowgraph closed (#32515)
See also #32403

`fg_buffer_size` was decreased after metrics removed in flowgraph
ddnode, which make metrics value negative.

This PR move remove metrics logic into `dataSyncService.Close`

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Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
2024-04-23 17:33:23 +08:00
..
2023-09-21 09:45:27 +08:00
2023-09-21 09:45:27 +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.