4 articles tagged with Debugging.
When RAG answers go sideways, the model usually isn't the problem. Here's the top-to-bottom checklist we run to find where retrieval actually breaks.
When a service is slow and every dashboard looks green, bpftrace lets you watch the kernel directly. These one-liners found our tail latency.
When the service is slow and the network is suspect, these are the tools we reach for, in this order, with the exact flags that find the answer.
bpftrace one-liners replace strace, perf top, and a half-dozen ad-hoc debugging scripts. The patterns that actually earn their place when you're troubleshooting at 2 AM.