Hadoop 导航
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| 序号 | 概述 | HDFS | YARN | MR |
|---|---|---|---|---|
| 1 | [概述] | [机制] | ||
| 2 | [读写流程] | [调度器] | ||
| 3 | [NameNode] | [运维] | ||
| 4 | [DataNode] | [参数] | ||
| 5 | [运维] | |||
| 6 | [巡检] | |||
| 7 | [命令] |
Bug :
-
StandbyException): Operation category WRITE is not supported in state standby. 解决方案
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QuorumException: Got too many exceptions to achieve quorum size 2/3 解决方案
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Operation category READ is not supported in state standby 解决方案
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FileNotFoundException: java.io.FileNotFoundException: HADOOP_HOME and hadoop.home.dir are unset 错误解决
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./start-dfs.sh 启动错误 ERROR: Cannot set priority of datanode process xxxxx
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SafeModeException: Cannot delete. Name node is in safe mode 解决方案
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but there is no HDFS_NAMENODE_USER defined. Aborting operation.
配置文件 :
- mapred-default.xml
- yarn-default.xml
- core-default.xml
- hdfs-default.xml
