chuyouyinghe的专栏

[root@qa bin]# hadoop fs -ls /Warning: $HADOOP_HOME is deprecated.14/07/29 13:25:35 INFO ipc.Client: Retrying connect to server: centhost.centdomain/10.110.30.30:9000. Already tried 0 time(s); retr

错误提示Call From n1/192.168.253.130 to s1:8485 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefusedat

hadoop集群搭建了ha，初次启动正常，最近几天启动时偶尔发现，namenode1节点启动后一段时间（大约10几秒-半分钟左右），namenode1上namenode进程停掉，查看日志： 1 2017-08-28 21:54:37,617 INFO org.apache.hadoop.ipc.Client: Retrying connect to server: slave1/192

1、前言  我们使用hadoop2.6.0版本配置Hadoop集群，同时配置NameNode+HA、ResourceManager+HA，并使用zookeeper来管理Hadoop集群2、规划  1、主机规划 hadoop1/ 192.168.56.131hadoop2/ 192.168.56.132hadoop3/ 19

12/08/27 15:49:40 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable12/08/27 15:49:40 WARN mapred.JobClient: No job jar