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https://issues.apache.org/jira/browse/LUCENE-6239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14316391#comment-14316391
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Uwe Schindler commented on LUCENE-6239:
---------------------------------------
It is cleaner with Java 8 and Java 9. The reference size in Java 7 was just
horrible to detect, because IBM J9 did not have hotspot bean. So the Unsafe
approach was cleander. The remaining constants would be just simple static
values, only dependend on bitness.
> 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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