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  1. Solr
  2. SOLR-12688 LTR Multiple performance fixes + pure DocValues support for FieldValueFeature
  3. SOLR-12699

make LTRScoringModel immutable (to allow hashCode caching)

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Details

    • Sub-task
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 7.6, 8.0
    • contrib - LTR
    • None

    Description

      Stanislav Livotov wrote in SOLR-12688:

      ... LTRScoringModel was a mutable object. It was leading to the calculation of hashcode on each query, which in turn can consume a lot of time ... So I decided to make LTRScoringModel immutable and cache hashCode calculation. ...

      (Please see SOLR-12688 description for overall context and analysis results.)

      Attachments

        1. SOLR-12699.patch
          2 kB
          Stanislav Livotov
        2. SOLR-12699.patch
          7 kB
          Christine Poerschke
        3. SOLR-12699.patch
          8 kB
          Stanislav Livotov
        4. SOLR-12699.patch
          8 kB
          Christine Poerschke

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            cpoerschke Christine Poerschke
            slivotov Stanislav Livotov
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              Updated:
              Resolved:

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