Challenge Accepted
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My life for the last 2 years has been a constant battle of putting out fires with system performance; finally user complaints have moved getting this resolved as my top priority. Let’s see how I tackled the problem… Symptoms: Very High Disk Latency as high as 300,000 milliseconds (ms) is not unusual Average: 900 – 15,000ms Memory Pressure Slow User Experience Problem: Bad hardware Over-provisioned VM Hosts (what happens on one VM effects the other) Old NetApp SAN No infrastructure budget for new hardware Challenge: Make the system viable with no hardware changes or tweaks Step 1: Brain Storming (in… Continue Reading