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https://issues.apache.org/jira/browse/HBASE-13496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14506038#comment-14506038
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Nick Dimiduk commented on HBASE-13496:
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+1 on jmh. This is what you're looking for,
http://openjdk.java.net/projects/code-tools/jmh/
There's some nice examples that accompany some really great blog posts on this
topic, though they might be out dated vs. the latest jmh version.
https://github.com/nitsanw/jmh-samples
> Make Bytes$LexicographicalComparerHolder$UnsafeComparer::compareTo inlineable
> -----------------------------------------------------------------------------
>
> Key: HBASE-13496
> URL: https://issues.apache.org/jira/browse/HBASE-13496
> Project: HBase
> Issue Type: Sub-task
> Components: Scanners
> Reporter: Anoop Sam John
> Assignee: Anoop Sam John
> Fix For: 2.0.0, 1.2.0
>
> Attachments: ByteBufferUtils.java, HBASE-13496.patch,
> OffheapVsOnHeapCompareTest.java
>
>
> While testing with some other perf comparisons I have noticed that the above
> method (which is very hot in read path) is not getting inline
> bq.@ 16
> org.apache.hadoop.hbase.util.Bytes$LexicographicalComparerHolder$UnsafeComparer::compareTo
> (364 bytes) hot method too big
> We can do minor refactoring to make it inlineable.
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