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https://issues.apache.org/jira/browse/LUCENE-6239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14316087#comment-14316087
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Uwe Schindler commented on LUCENE-6239:
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Java 9 seems to make the constants public (at least there are some issues
around making "Unsafe" public), so we can leave it for Java 7 and Java 8 as it
is, so -1 to remove it here.
In any case, Java 9 will not have sun.misc.Unsafe anymore - it will get removed
soon (as far as I understood). I was talking with the OpenJDK guys 2 weeks ago;
this also caused heavy rumors in the auditorium at FOSDEM :-)
In any case, I disagree on having just static constants that assume something
in the JVM. Something like object headers have a large impact on heap usage of
some of our Accountables.
> 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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