yang_net

一、 hadoop安装 (本机单节点) 1. Installing Software (or can adduser hadoop) $ sudo apt-get install ssh $ sudo apt-get install rsync 2. Prepare to Start the Hadoop Cluster conf/hadoop-env.sh export

HBase Client总览 1. affects concurrent readers and writers of that same row ==> atomic on a per-row basis 2. RWCC : ReadWriteConsistencyControl read without wait for writes write wait for other