Latency Tail Optimization

Latency Tail Optimization

What Your P99 Doesn't Tell You About Production Outages

Dashboards lie. Not maliciously — they just show you the story they were built to tell. And if your latency dashboard centers on P99, you're almost ce...

Latency Tail Optimization

Why a Single Slow Request Can Stall Your Whole Pipeline

You have a pipeline serving 10,000 requests per second. The average latency is 35ms. Nice. But one request takes 8 seconds. That one-off request ties ...

Latency Tail Optimization

When Tail Latency and Throughput Collide: Which to Fix First?

You are staring at a latency distribution curve. The p50 looks fine—maybe 10ms. The p99 is 500ms. And yield is hovering at 80% of throughput. The ques...

Latency Tail Optimization

When Your 99th Percentile Spikes but the Average Looks Fine

You pull up the Grafana dashboard. Average latency: 42 ms. P50: 38 ms. P95: 89 ms. Everything green. Then you notice the P99 line — jagged, spiking to...