Performac Degrade - Production ENvironment

Solution Verified - Updated -

Issue

OLS Performance Test Summary – September 16, 2012

The results from this test show that over the last 5 minutes of the 1.2 million SPH load level (12:40 and 12:45 am), there was a significant degradation in performance, and then as we began the 1.4 million SPH load level at 12:45, there was an even more dramatic and unrecoverable degradation in performance, and the test was stopped at 12:48 pm. The following charts and narrative attempt to describe the sequence of events and state of the web and app tiers around the above mentioned times.

3 web servers out of 10 appear to show higher cpu utilization

Environment

Red Hat Enterprise Linux

5.7

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