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From "Vladimir Rodionov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12090) Bytes: more Unsafe, more Faster
Date Fri, 26 Sep 2014 19:21:34 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14149839#comment-14149839
] 

Vladimir Rodionov commented on HBASE-12090:
-------------------------------------------

{quote}
The numbers look too good to be true (smile)
{quote}

I am going to re-test Get(s) from block cache today and will run some  scanners from block
cache as well. Just to remind that majority of time in Get execution is spent in searching
for the right row in a block. Search is dominated by *compareTo* and *toShort*.  

> Bytes: more Unsafe, more Faster 
> --------------------------------
>
>                 Key: HBASE-12090
>                 URL: https://issues.apache.org/jira/browse/HBASE-12090
>             Project: HBase
>          Issue Type: Improvement
>          Components: Performance
>    Affects Versions: 0.94.23, 0.98.6
>            Reporter: Vladimir Rodionov
>            Assignee: Vladimir Rodionov
>             Fix For: 2.0.0, 0.98.7, 0.94.24, 0.99.1
>
>         Attachments: 12090-v1.1.txt, HBASE-12090.2.patch, HBASE-12090.patch
>
>
> Additional optimizations to *org.apache.hadoop.hbase.util.Bytes*:
> * New version of compareTo method.
> * New versions for primitive converters  : putXXX/toXXX.



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