hbase-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13496) Make Bytes$LexicographicalComparerHolder$UnsafeComparer::compareTo inlineable
Date Tue, 21 Apr 2015 22:10:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14505892#comment-14505892
] 

Andrew Purtell commented on HBASE-13496:
----------------------------------------

No, we can't ask people to tweak wizard level compiler parameters in order to get good performance.


> 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.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message