Joshua Hartman

A couple of different configuration options are available for calculating ndcg. You can specify positional values per range, use a standard logarithmic discounting function, or use a custom function.

... initializing taking 10% of search time when profiling uscp-search.

Performance related commits

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These commits fix some runtime-facet handler related bugs we've seen on home page.

BQL Fixes

Merge json refactor

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This is a large pull request. It contains 3 things: 1. Fixes for activity engine 2. JSON library change. In production, we saw a decrease in signal latency from about...

Adding the ability for sensei filters to estimate cardinality to optimize filter execution order and traverse fewer documents I think an optimizer where available would be incredibly useful for the...

Minor performance issue with BatchKVResponse

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Hi, Some of our services are spending ~3% of CPU time in the BatchKVResponse.createSchema method. Specifically, it seems that the class.getSimpleName() method is the expensive part of this operation. Can...