[ML] improve frequent items runtime #93255
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conceptual problem which causes a lot of overhead.
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Hi @hendrikmuhs, I've created a changelog YAML for you. |
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Pinging @elastic/ml-core (Team:ML) |
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przemekwitek
approved these changes
Jan 27, 2023
...ain/java/org/elasticsearch/xpack/ml/aggs/frequentitemsets/mr/ItemSetMapReduceAggregator.java
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don't re-create doc values object for every value. This change fixes a
conceptual problem which caused significant overhead.