官方中文资料:http://hadoop.apache.org/common/docs/r0.20.2/cn/
Hadoop技术论坛:http://www.hadoopor.com/
中国科学院计算技术研究所:http://www.hadoopchina.org/
hadoop常用命令,在bin目录下执行
最强大的命令当然是
hadoop fs -help (嘿嘿)
查看命令
hadoop fs -lsr
新建文件夹命令
hadoop fs -mkdir test
删除文件夹命令
hadoop fs -rmr test
上传文件到HDFS命令
hadoop fs -put stop-all.sh test
改名字命令
hadoop fs -mv test/stop-all.sh test/stop-zxg.sh
下载HDFS文件夹命令
hadoop fs -get test test1
下载HDFS文件命令
hadoop fs -get test/stop-zxg.sh stop-zxg.sh
1,分布式文件系统(DFS)
-
GFS(Google的分布式文件系统)
-
HDFS(GFS开源Java实现的分布式文件系统,在Hadoop项目中)
-
KFS(GFS开源C++实现的分布式文件系统)
-
TFS(Taobao分布式文件系统)
-
ODFS(网易Youdao分布式文件系统)
2,分布式存储数据库
-
BigTable(Google)
-
HBase(Hadoop中,一个Java的Bigtable开源实现)
-
HyperTable(一个C++的Bigtable开源实现,百度支持使用)
-
OMap(网易Youdao)
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