Add semantic mapping transformer to transform mapping for semantic felds. #1
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Signed-off-by: Bo Zhang <[email protected]>
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q-andy
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Mar 20, 2025
src/main/java/org/opensearch/neuralsearch/constants/SemanticInfoFieldConstants.java
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src/main/java/org/opensearch/neuralsearch/mappingtransformer/SemanticMappingTransformer.java
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| @Override | ||
| public void onResponse(MLModel mlModel) { | ||
| try { | ||
| modifyMappings(mappings, mlModel, modelIdToFieldPathMap.get(modelId), semanticFieldPathToConfigMap, modelId); |
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Any multithreading concerns here with modifying a map like this if the map isn't a ConcurrentHashMap/SkipListMap? I An alternative thread-safe way could be to use PlainActionListeners to await the model info with blocking and then modify the mappings synchronously
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Should be no risk since we don't iterate the map here. But to make it safe I can add synchronized to ensure we modify the mapping synchronously. Since we don't expect too many model ids in one mapping and modifying the map is a fast local calculation we should be good.
src/main/java/org/opensearch/neuralsearch/mappingtransformer/SemanticMappingTransformer.java
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…lds. Signed-off-by: Bo Zhang <[email protected]>
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Description
Add semantic mapping transformer to transform mapping for semantic fields.
It will auto add semantic info fields to the mapping based on the model id defined in the semantic fields.
Note
This PR is based on this one. And it's not target the main branch of the neural plugin main. It's just for review purpose.
Related Issues
#[803] - Proposal to support semantic field in neural search.
#[1211] - HLD of the semantic field.
Check List
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