Monthly Archives: August 2015

HDFS – balancing

. If I add new DataNodes to the cluster will HDFS move the blocks to the newly added nodes in order to balance disk space utilization between the nodes? No, HDFS will not move blocks to new nodes automatically. However, newly created files will likely have their blocks placed on the new nodes. There are… Read More »

Install Maven with Yum on Amazon Linux

sudo wget http://repos.fedorapeople.org/repos/dchen/apache-maven/epel-apache-maven.repo -O /etc/yum.repos.d/epel-apache-maven.repo sudo sed -i s/\$releasever/6/g /etc/yum.repos.d/epel-apache-maven.repo sudo yum install -y apache-maven mvn –version