HttpFs(HDFS over HTTP)
telnet server01 14000
http://server01:14000/webhdfs/v1/?op=gethomedirectory&user.name=hdfs
http://server01:14000/webhdfs/v1/tmp/?op=LISTSTATUS&user.name=hdfs
doc: http://hadoop.apache.org/docs/r2.7.2/hadoop-project-dist/hadoop-hdfs/WebHDFS.html
HA[Namenode and ResourceManager]
DistCp
.http
-hadoop distcp hftp://oldHDFS:50070/ hdfs://newHDFS:8020/
-hadoop distcp hdfs://oldHDFS:8020/ hdfs://newHDFS:8020/
HDFS Cache
. Centralized Cache Management in HDFS
hdfs cacheadmin -listPools
hdfs cacheadmin -listDirectives -pool impala_pool
hdfs cacheadmin -addPool impala_pool
hdfs cacheadmin -addDirective -path /apps -pool impala_pool
hdfs cacheadmin -listDirectives -pool impala_pool
NFS
- http://hadoop.apache.org/docs/r2.7.2/hadoop-project-dist/hadoop-hdfs/HdfsNfsGateway.html
- http://www.itweet.cn/2015/07/10/HDFS_NFS_Gateway/