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milvus/docs/design_docs/segcore/segment_sealed.md
Xiaofan c666d83ab3
[skip ci]Add sealed segment document (#9307) 
Signed-off-by: xiaofan-luan <xiaofan.luan@zilliz.com>
2021-10-05 23:08:28 +08:00

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SegmentSealed

SegmentSealed has extra interface rather than segment_inferface:

  1. LoadIndex(loadIndexInfo): load the index. indexInfo containts
    1. FieldId
    2. IndexParams: index paramters in KV structure KV
    3. VecIndex: vector index
  2. LoadFieldData(loadFieldDataInfo): Load column data, could be either scalar column or vector column
    1. Note: indexes and vector data for the same column may coexist. Indexes are prioritized in search
  3. DropIndex(fieldId): drop and release exist index of specified field
  4. DropFieldData(fieldId): drop and release exist data for specified field

Search is executatble as long as all the column involved in the search are loaded.