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https://issues.apache.org/jira/browse/SOLR-6638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14178403#comment-14178403
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Uwe Schindler commented on SOLR-6638:
-------------------------------------
Please don't use unsafe! Use ByteBuffer.allocateDirect(). This is enough to
serve a cache. In Java 7 and Java 8 the ByteBuffer overhead is minimal (look at
the assembler code generated by Hotspot).
> Create an off-heap implementation of Solr caches
> ------------------------------------------------
>
> Key: SOLR-6638
> URL: https://issues.apache.org/jira/browse/SOLR-6638
> Project: Solr
> Issue Type: New Feature
> Reporter: Noble Paul
>
> There are various implementations of off-heap implementations of cache. One
> such is using sun.misc.Unsafe .The cache implementations are pluggable in
> Solr anyway
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