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Release date: 7 November 2018

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Improvements

  • Phrase Extraction job improvements
    • The job now trims low-confidence phrases based on likelihood.
    • The job adds a review tag on the result to facilitate the review process based on beginning and ending POS and likelihood.
    • The output now connects phrase tokens with an underscore (_) to make a single token per phrase so that complete phrases can be used as facets.
    • New metadata fields:
      • phrases_count shows how many times the phrases appear in the documents.
      • word_num shows how many words are in the phrase.
    • This release includes optimizations to the default Lucene analyzer configuration.
    • Output names are updated for clarity, such as llr to likelihood and ngram to phrases.
  • The Head/Tail Analysis job now processes large data sets twice as fast.
  • The Ranking Metrics job now correctly accepts values for the queryPipelines property in the Fusion UI.
  • The Solr Query pipeline stage has two new properties to configure signals:
    • responseSignalsEnabled Disable this option to prevent the stage from generating a response signal containing metadata about the response from Solr. Response signals are used by App Insights and experiments.
      In auto-complete pipelines, disable this option to avoid generating a response signal for each keystroke.
    • excludeResponseSignalMatchRules If responseSignalsEnabled is “true”, then you can prevent generating a response signal based on specific parameters in the query, such as to enable response signals in general but to disable them for auto-complete queries.

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Other changes

  • The Spark driver now cleans up $FUSION_HOME/var/spark/Spark-workDir-* directories and shaded jars correctly on Windows to prevent excessive disk consumption.
  • For installations that were upgraded from 3.1.x to 4.1.0, upgrading to 4.1.1 resolves an issue that prevented successful signal aggregations with the Parameterized SQL Aggregation job.
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