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238bd30f42
Fix issues in end-to-end tests: 1. **Split column groups based on schema**, rather than estimating by average chunk row size. **Ensure column group consistency within a segment**, to avoid errors caused by loading multiple column group chunks simultaneously. 2. **Use sorted segmentId** when generating the stats binlog path, to ensure consistent and correct file path resolution. 3. **Determine field IDs as follows**: For multi-column column groups, retrieve the field ID list from metadata. For single-column column groups, use the column group ID directly as the field ID. related: #39173 fix: #42862 --------- Signed-off-by: shaoting-huang <shaoting.huang@zilliz.com>
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 information
- Root Coordinator: get the latest unique IDs.
- Data Coordinator: get the flush information and which message stream to subscribe.