How can IT organizations prepare for an application performance emergency and avoid a dreaded war room scenario? Step one, ensure proactive monitoring is in place on all of your business critical applications. Without this, you will be left blind in the event of a performance emergency.
Many companies have a mix of performance tools. In a crisis, it is easy for two people looking at different tools to confuse the situation. Work to understand the differences in these tools during the quiet times. These tools may label things differently, use different low-level meters, sample at a different rate, or average over a different interval.
You can read more here: 6 Ways to Prepare for an Application Performance Emergency