calu的专栏

2017-07-24 16:45:17,174 DEBUG [main] regionserver.HRegionServer: regionserver//111.175.221.58:60020 HConnection server-to-server retries=3502017-07-24 16:45:17,522 INFO [main] ipc.SimpleRpcScheduler:

Operation category READ is not supported in state standby解决 hdfs写的那台机器是待机状态的，所以不支持，要在active 机器中写才行。 hdfs haadmin -transitionToActive –forcemanual nn1 再次访问就变一active，一个standyHMaster自动关闭 —-问题解决思路：j

首先搭建hadoop集群。参看之前的文章： https://note.youdao.com/share/?token=6B7AD80F6F904C1982B92E03C61B637C&gid=30499526首先把/hadoop/etc/hadoop下面的几个文件复制到/nutch-2.3.1/confcore-site.xmlhadoop-env.shhbase-site.xmlhdf

hadoop+hbase集群搭建