How We Are Improving Performance
I wish this post gave more concrete details, so we could learn from it.<p><i>A critical piece of our network infrastructure failed after 3 years of correct operation in a way that proved difficult for our network engineering team to troubleshoot.</i><p>Which piece of infrastructure? How did it fail? Why was it difficult to troubleshoot? Can you do anything to prevent this type of issue in the future?<p><i>We observed new traffic patterns with significantly lower cache hit rates than our historical median, and it took us some time to determine whether the source was abusive in nature or a legitimate new customer use case.</i><p>What were the new traffic patterns, and why did this cause lower cache hit rates? Why did it take longer than expected to determine the nature of the traffic?