aoiasd 4752c0291b
fix: channel meta mergeFlushSegment not idempotent cause data loss (#31837)
fix channel meta mergeFlushSegment not idempotent may cause data loss
when update compacted segment buffer, because may update buffer to
segment which has been covered.
relate: https://github.com/milvus-io/milvus/issues/31548

Signed-off-by: aoiasd <zhicheng.yue@zilliz.com>
2024-04-02 23:25:50 -07:00
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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.