牛_plus_plus的专栏

From :http://elliotth.blogspot.com/2007/03/optimizing-jni-array-access.html It's a popular misconception amongst people who don't write Java that JNI is used for performance. The main use of JNI in

How to compile OpenJDK on Ubuntu http://www.vogella.de/articles/OpenJDK/article.html Lars Vogel Version 0.3 Copyright © 2009 - 2010 Lars Vogel 30.11.2008

上一篇文章中有介绍，写入压测时HBase 30%的CPU消耗在Bytes.compare()方法上。参：http://blog.youkuaiyun.com/kalaamong/article/details/7324894 写入吞吐量大约在17W每秒，当时我们使用的HBase为90.4。 然后对于Bytes.compare()方法，90.4中如下： public static int compar