09 Hadoop编程

Hadoop编程 Hadoop思维导图下载链接 实例 /opt/sxt/hadoop-2.6.5/share/hadoop/mapreduce/ jar包 hadoop-mapreduce-examples-2.6.5.ja 准备 for i in seq 100000;do echo “hello sxt $i” >> test.txt;done hdfs dfs -mkdir -p /user/root hdfs dfs -ls -R / hdfs dfs -D dfs.blocksize=1048576 -put ./test.txt /user/root 命令 hadoop jar