最近使用hbase时,运行zookeeper的机子没有正常关闭zookeeper就关机了,导致开机后整个hbase集群无法使用,表现为master的localhost:60010 无法登录,使用hbase shell 的list命令时会出现: ERROR: org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: Server is not running yet at org.apache.hadoop.hbase.ipc
问题: hadoop启动的时候报错 HTTP ERROR 500 Problem accessing /nn_browsedfscontent.jsp. Reason: Cannot issue delegation token. Name node is in safe mode. The reported blocks 0 needs additional 10 blocks to reach the threshold 0.9990 of total blocks 10. Safe mod
http://www.searchtech.pro/ Hadoop添加或调整的参数: 一.hadoop-env.sh1.hadoop的heapsize的设置,默认1000 # The maximum amount of heap to use, in MB. Default is 1000. # export HADOOP_HEAPSIZE=2000 2.改变pid的路径,pid文件默认在/tmp目录下,而/tmp是会被系统定期清理的 # The directory where pid file
今天集群节点一下子挂了5台,hbase的数据块也损坏. hadoop日志 .0.15:36642 dest: /ip:50010 2014-08-26 15:01:14,918 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: DataNode is out of memory. Will retry in 30 seconds. java.lang.OutOfMemoryError: unable to create new nativ