MapReduce规格严格

http://www.csdn.net/article/2012-12-21/2813084-storm-realtime-big-data-analysis

http://blog.csdn.net/cenwenchu79/article/details/4745809

http://stackoverflow.com/questions/6061470/if-then-else-using-xml

http://www.ibm.com/developerworks/xml/newto/