Hadoop Hdfs 分布文件系统安装与部署
fs.default.name
dbrg-1:9000
The name of the default file system. Either the literal string "local" or a host:port for DFS.
mapred.job.tracker
dbrg-1:9001
The host and port that the MapReduce job tracker runs at. If "local", then jobs are run in-process as a single map and reduce task.
hadoop.tmp.dir
/home/dbrg/HadoopInstall/tmp
A base for other temporary directories.
dfs.name.dir
/home/dbrg/HadoopInstall/filesystem/name
Determines where on the local filesystem the DFS name node should store the name table. If this is a comma-delimited list of directories then the name table is replicated in all of the directories, for redundancy.
dfs.data.dir
/home/dbrg/HadoopInstall/filesystem/data
Determines where on the local filesystem an DFS data node should store its blocks. If this is a comma-delimited list of directories, then data will be stored in all named directories, typically on different devices. Directories that do not exist are ignored.
dfs.replication
1
Default block replication. The actual number of replications can be specified when the file is created. The default is used if replication is not specified in create time.
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