Let us see steps involved in setting up httpd service on the first node as user itversity (on AWS user is centos) We are setting up httpd to setup local yum repository server so that we don’t need to download repositories on to all nodes connecting to Cloudera repositories. If we have local yum repository …
Let us see how we can rebalance the cluster. Rebalancing is typically related to HDFS. We have a component called as balancer as part of HDFS. The balancer can run by itself, however, we can kickoff balancer by ourselves. We can use Cloudera Manager Web Interface to rebalance the cluster. Go to Actions -> Rebalance …
Maintain and modify the cluster to support day-to-day operations in the enterprise Rebalance the cluster Set up alerting for excessive disk fill Define and install a rack topology script Install new type of I/O compression library in cluster Revise YARN resource assignment based on user feedback Commission/Decommission a node
Let us see how we can configure a proxy for Impala. We have seen how to launch Impala Shell (impala-shell -i bigdataserver-5) and run the commands. However, we need to use JDBC to connect to Impala with respect to tools like Tableau so that we can generate reports. As part of the cluster, we get …
In Red Hat flavor linux such as Red Hat, CentOS, Fedora etc softwares can be installed using yum. There are some standard repositories served by Red Hat or CentOS or Fedora communities. Files with extension of repo under /etc/yum.repos.d act as configuration files related to repositories using which softwares can be setup. yum install command …
Let us see how we can configure a proxy for HiveServer2. We have seen how to launch Hive CLI and run the commands. However, we need to use JDBC to connect to Hive with respect to tools like Tableau so that we can generate reports. As part of the cluster, we get a tool called …
