﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>BlogJava-少年阿宾-随笔分类-Performance</title><link>http://www.blogjava.net/stevenjohn/category/54774.html</link><description>那些青春的岁月</description><language>zh-cn</language><lastBuildDate>Mon, 06 Apr 2015 07:43:07 GMT</lastBuildDate><pubDate>Mon, 06 Apr 2015 07:43:07 GMT</pubDate><ttl>60</ttl><item><title>服务器性能开销</title><link>http://www.blogjava.net/stevenjohn/archive/2015/04/05/424128.html</link><dc:creator>abin</dc:creator><author>abin</author><pubDate>Sat, 04 Apr 2015 21:46:00 GMT</pubDate><guid>http://www.blogjava.net/stevenjohn/archive/2015/04/05/424128.html</guid><wfw:comment>http://www.blogjava.net/stevenjohn/comments/424128.html</wfw:comment><comments>http://www.blogjava.net/stevenjohn/archive/2015/04/05/424128.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/stevenjohn/comments/commentRss/424128.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/stevenjohn/services/trackbacks/424128.html</trackback:ping><description><![CDATA[<div>服务端编程的性能杀手：</div><div>1、大量线程导致的线程切换开销。</div><div>2、锁和竞争条件。</div><div>3、非必要的内存拷贝。<br />4、网络IO<br />5、磁盘IO<br />6、CPU核心数<br />7、网络带宽<br />8、内存大小<br />9、<br /></div><div></div><img src ="http://www.blogjava.net/stevenjohn/aggbug/424128.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/stevenjohn/" target="_blank">abin</a> 2015-04-05 05:46 <a href="http://www.blogjava.net/stevenjohn/archive/2015/04/05/424128.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>