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https://issues.apache.org/jira/browse/SOLR-7787?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dawid Weiss updated SOLR-7787:
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Comment: was deleted
(was: I also looked at HLL's implementation, it uses fastutil for fairly simple
stuff and it's essentially one class. The iterators don't make much sense to me
as they use intermediate autoboxing.)
> Fork HyperLogLog and remove fastutil dependency
> -----------------------------------------------
>
> 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). I looked at the
> actual uses of fastutil and only java-hll uses it (and only a few classes).
> I've created a fork that uses HPPC instead (also randomized all tests, they
> pass). Since it's a relatively simple package I think it could be forked and
> imported into Solr's codebase entirely. I'd make a pull request but I see
> Hoss also created a few comments/ PRs and none of them received any
> attention; the project seems to be stale or dead?
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