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Add: apply HNSW_EF_SEARCH paramter when run vector-search query #995

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Add: apply HNSW_EF_SEARCH paramter when run vector-search query #995

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e4d4624
Add: apply HNSW_EF_SEARCH paramter when run vector-search query
Eui-Dong-Jeong Nov 26, 2025
60aac8e
📝 Add docstrings to `apply-dynamic-ef-search-vectorsearch`
coderabbitai[bot] Nov 28, 2025
cd2f02b
accept lint result
Eui-Dong-Jeong Dec 9, 2025
9e08af4
fix: lint issue
Eui-Dong-Jeong Dec 16, 2025
0aacc3a
Fix: unit test
Eui-Dong-Jeong Dec 24, 2025
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8 changes: 6 additions & 2 deletions osbenchmark/workload/params.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1097,6 +1097,7 @@ class VectorSearchPartitionParamSource(VectorDataSetPartitionParamSource):
PARAMS_NAME_REQUEST_PARAMS = "request-params"
PARAMS_NAME_SOURCE = "_source"
PARAMS_NAME_ALLOW_PARTIAL_RESULTS = "allow_partial_search_results"
PARAMS_NAME_EF_SEARCH = "hnsw_ef_search"

def __init__(self, workloads, params, query_params, **kwargs):
super().__init__(workloads, params, Context.QUERY, **kwargs)
Expand All @@ -1121,8 +1122,7 @@ def __init__(self, workloads, params, query_params, **kwargs):

self.filter_type = self.query_params.get(self.PARAMS_NAME_FILTER_TYPE)
self.filter_body = self.query_params.get(self.PARAMS_NAME_FILTER_BODY)


self.ef_search = self.query_params.get(self.PARAMS_NAME_EF_SEARCH)
if self.PARAMS_NAME_FILTER in params:
self.query_params.update({
self.PARAMS_NAME_FILTER: params.get(self.PARAMS_NAME_FILTER)
Expand Down Expand Up @@ -1226,6 +1226,10 @@ def _build_vector_search_query_body(self, vector, efficient_filter=None, filter_
"vector": vector,
"k": self.k,
}
if self.ef_search is not None:
query["method_parameters"] = {
"ef_search": self.ef_search
}
if efficient_filter:
query.update({
"filter": efficient_filter,
Expand Down
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