About Apache Camel's Message Forwarding Efficiency
The company uses ActiveMQ and Camel for message distribution. Previously, the data volume wasn’t very large, so we never really considered efficiency issues, and the research into Camel’s working principles wasn’t deep. However, recently, as the business volume increased, Camel’s efficiency has gradually become a bottleneck, so I got a general understanding of Camel’s working principles based on logs. Although Camel is embedded into ActiveMQ, during the working process, Camel and ActiveMQ are...
A Great Introduction to the LDA Model
Reposted from http://leyew.blog.51cto.com/5043877/860255#559183-tsina-1-46862-ed0973a0c870156ed15f06a6573c8bf0 A few days ago I started learning LDA, took many detours, and was still completely confused about LDA. After reading this document, I finally understood what LDA is for. LDA (Latent Dirichlet Allocation) Learning NotesI’ve been studying the LDA algorithm recently, and after a few days of struggle, I’ve finally gained a rough understanding of the overall framework and process o...
WordCount Code
Reference: http://www.cnblogs.com/xia520pi/archive/2012/05/16/2504205.html 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137package org.apache.hadoop.examples;import java.io.IOException;import java.util.StringTokenizer;import org.apache...
Hadoop Basic Learning Resources
http://www.cnblogs.com/xia520pi/archive/2012/05/16/2504205.html WordCount execution process detailed explanation http://www.cnblogs.com/gpcuster/archive/2010/06/04/1751538.html HDFS command introduction http://hi.baidu.com/gkf8605/item/d6b8af09c3463512eafe38b1 HDFS commands http://www.cnblogs.com/forfuture1978/archive/2010/11/14/1877086.html MapReduce introduction http://hadoop.apache.org/docs/r0.20.2/api/index.html Hadoop 0.20.2 APISource: https://lichuanyang....