We will use here HAProxy which is an open-source HA load balancer and proxy server for TCP and HTTP based applications. Ngnix is not recommended as we do not have webserver traffic to load balance. Let’s first install HAProxy on the proxy server. yum -y inst…

RPC server stores authorization in relation database. Apache Sentry is a granular, role-based authorization module for Hadoop. Sentry provides the ability to control and enforce precise levels of privileges on data for authenticated users and applications on a Hadoo…

If you encounter the following Cloudera connection errors, the following steps to restart all Cloudera services will most likely resolve issue. This article explains how to address the following connection errors shown below that you may encounter.