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启动hadoop2.x historyserver(不启动historyserver的话,pig任务结束后,会报连接不上10020端口)
./mr-jobhistory-daemon.sh start historyserver
[root@ylchou sbin]# ./mr-jobhistory-daemon.sh start historyserver
starting historyserver, logging to /home/Application/Aleiye/enterprise/hadoop/hadoop-2.5.0-cdh5.3.0/logs/mapred-root-historyserver-ylchou.out
jps可以看到进程JobHistoryServer
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原文地址:http://my.oschina.net/ylchou/blog/526729