To checkup performance issues usually I do get awr and ash reports every 15 minutes along the period I want to check.This script helps to automatically generate a set of awr reports: Run_AWR_Reports
Kerberos and Sentry help us defining access privileges for a
limited set of object living on HDFS
We can extend the control by using access...
Whenever we run a BDA upgrade we see as one of the prerequisites
checks, to have the httpd service up and running on the first node
It may happen that when trying to reach the Exadata machine
using the management network, the data center switch that connects