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https://issues.apache.org/jira/browse/LUCENE-6239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14316344#comment-14316344
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Michael McCandless commented on LUCENE-6239:
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+1 to stop using Unsafe and switch to dynamic hotspot bean check instead, or
even a simpler/naive heuristic.
If we have places in Lucene where estimating pointer size as 8 bytes when it
was really 4 bytes in fact makes a practical difference (do we have big
Object[] anywhere) then that's bad: most of Lucene's RAM heavy structures are
also "compact" (not using so many pointers)?
> Remove RAMUsageEstimator Unsafe calls
> -------------------------------------
>
> Key: LUCENE-6239
> URL: https://issues.apache.org/jira/browse/LUCENE-6239
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Robert Muir
>
> This is unnecessary risk. We should remove this stuff, it is not needed here.
> We are a search engine, not a ram calculator.
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