remove unused o.a.z.server.util.Profiler
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Key: ZOOKEEPER-1232
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1232
Project: ZooKeeper
Issue Type: Bug
Reporter: Thomas Koch
Assignee: Thomas Koch
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)
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