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https://issues.apache.org/jira/browse/HBASE-17877?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15956303#comment-15956303
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Anoop Sam John commented on HBASE-17877:
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Interesting. The main change here is to avoid reverseBytes calls. That is the
thing giving the perf boost?
{code}
if (minLength - offset >= SIZEOF_INT) {
......
1446 offset += SIZEOF_INT;
1447 }
1448 if (minLength - offset >= SIZEOF_SHORT) {
{code}
These were to avoid byte by byte read and check as much as possible after long
reads. So this is also a needed change?
> Replace/improve HBase's byte[] comparator
> -----------------------------------------
>
> Key: HBASE-17877
> URL: https://issues.apache.org/jira/browse/HBASE-17877
> Project: HBase
> Issue Type: Bug
> Reporter: Lars Hofhansl
> Assignee: Vikas Vishwakarma
> Attachments: 17877-1.2.patch
>
>
> [~vik.karma] did some extensive tests and found that Hadoop's version is
> faster - dramatically faster in some cases.
> Patch forthcoming.
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