最近生产环境hbase集群出现停掉集群之后hmaster无法启动现象,master日志报异常:Timedout 300000ms waiting for namespace table to be assigned,导致整个集群起不来. 2016-12-12 18:04:12,243 FATAL [adfnn2:16020.activeMasterManager] master.HMaster: Failed to become active master java.io.IOException
HBase architecture follows the traditional master slave model where you have a master which takes decisions and one or more slaves which does the real task. In HBase, the master is called HMaster and slaves are called HRegionServers (yes..servers).
root@root:~/Desktop/sourceCodes/hbase-2.1.1/bin# ./hbase Usage: hbase [<options>] <command> [<args>] Options: --config DIR Configuration direction to use. Default: ./conf --hosts HOSTS Override the list in 'regionservers' file --auth-as-