50 lines
2.1 KiB
Thrift
50 lines
2.1 KiB
Thrift
namespace java com.twitter.follow_recommendations.thriftjava
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#@namespace scala com.twitter.follow_recommendations.thriftscala
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#@namespace strato com.twitter.follow_recommendations
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include "com/twitter/ml/api/data.thrift"
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struct CandidateSourceDetails {
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1: optional map<string, double> candidateSourceScores
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2: optional i32 primarySource
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3: optional map<string, i32> candidateSourceRanks
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}(hasPersonalData='false')
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struct Score {
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1: required double value
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2: optional string rankerId
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3: optional string scoreType
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}(hasPersonalData='false')
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// Contains (1) the ML-based heavy ranker and score (2) scores and rankers in producer experiment framework
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struct Scores {
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1: required list<Score> scores
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2: optional string selectedRankerId
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3: required bool isInProducerScoringExperiment
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}(hasPersonalData='false')
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struct RankingInfo {
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1: optional Scores scores
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2: optional i32 rank
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}(hasPersonalData='false')
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// this encapsulates all information related to the ranking process from generation to scoring
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struct ScoringDetails {
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1: optional CandidateSourceDetails candidateSourceDetails
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2: optional double score
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3: optional data.DataRecord dataRecord
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4: optional list<string> rankerIds
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5: optional DebugDataRecord debugDataRecord // this field is not logged as it's only used for debugging
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6: optional map<string, RankingInfo> infoPerRankingStage // scoring and ranking info per ranking stage
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}(hasPersonalData='true')
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// exactly the same as a data record, except that we store the feature name instead of the id
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struct DebugDataRecord {
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1: optional set<string> binaryFeatures; // stores BINARY features
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2: optional map<string, double> continuousFeatures; // stores CONTINUOUS features
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3: optional map<string, i64> discreteFeatures; // stores DISCRETE features
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4: optional map<string, string> stringFeatures; // stores STRING features
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5: optional map<string, set<string>> sparseBinaryFeatures; // stores sparse BINARY features
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6: optional map<string, map<string, double>> sparseContinuousFeatures; // sparse CONTINUOUS features
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}(hasPersonalData='true')
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