[jira] [Created] (SOLR-7787) Promote fastutil to first-order dependency, remove HPPC (?)

["Dawid Weiss (JIRA)" <ji...@apache.org>]

Dawid Weiss created SOLR-7787:
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             Summary: Promote fastutil to first-order dependency, remove HPPC (?)
                 Key: SOLR-7787
                 URL: https://issues.apache.org/jira/browse/SOLR-7787
             Project: Solr
          Issue Type: Task
            Reporter: Dawid Weiss
            Assignee: Dawid Weiss
            Priority: Trivial
             Fix For: 5.3, Trunk


So fastutil is now part of Solr's distribution (because the stats component uses hyperloglog library, which in turn requires fastutil). There are a few classes that use HPPC but these could be rewritten to use fastutil, thus saving a few MBs of the distribution size.

Going the other way would be more attractive size-wise (HPPC is ~1.1MB, fastutil is ~17MB) but we have no control over HLL's dependencies.



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