You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@zookeeper.apache.org by "Hudson (Commented) (JIRA)" <ji...@apache.org> on 2011/12/15 12:58:31 UTC
[jira] [Commented] (ZOOKEEPER-1232) remove unused
o.a.z.server.util.Profiler
[ https://issues.apache.org/jira/browse/ZOOKEEPER-1232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13170146#comment-13170146 ]
Hudson commented on ZOOKEEPER-1232:
-----------------------------------
Integrated in ZooKeeper-trunk #1397 (See [https://builds.apache.org/job/ZooKeeper-trunk/1397/])
ZOOKEEPER-1232. remove unused o.a.z.server.util.Profiler (Thomas Koch via phunt)
phunt : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1214542
Files :
* /zookeeper/trunk/CHANGES.txt
* /zookeeper/trunk/src/java/main/org/apache/zookeeper/server/util/Profiler.java
> remove unused o.a.z.server.util.Profiler
> ----------------------------------------
>
> Key: ZOOKEEPER-1232
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1232
> Project: ZooKeeper
> Issue Type: Improvement
> Reporter: Thomas Koch
> Assignee: Thomas Koch
> Priority: Minor
> Fix For: 3.5.0
>
> Attachments: ZOOKEEPER-1232.patch
>
>
> The class is not used and it rather harms to suggest to people that this would be the right way to do micro-benchmarks on the JVM. It even harms to suggest that micro-benchmarks are the right way to approach Java performance issues.
> Quote from http://code.google.com/p/caliper/wiki/JavaMicrobenchmarks
> "Why would I ever write a microbenchmark then?
> Most of the time, you shouldn't! Instead, slavishly follow a principle of simple, clear coding that avoids clever optimizations. This is the type of code that JITs of the present and future are most likely to know how to optimize themselves. And that's a job which truly should be theirs, not yours. "
> Tools to do microbenchmarks:
> http://code.google.com/p/caliper/ (from the team that also does Guava, the Google Java library, recommended by Joshua Bloch himself)
> http://hype-free.blogspot.com/2010/01/choosing-java-profiler.html
> http://www.infoq.com/articles/java-profiling-with-open-source
> http://java.net/projects/japex
> Joshua Bloch on Performance Anxiety:
> http://java.dzone.com/articles/joshua-bloch-performance (follow link to parleys)
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira