#performance
grep -l "performance" /portfolio/* · 2 entriesThe APM agent that slowed down the app it was watching
After rolling out deeper instrumentation, one Java service got slower. The monitoring was the load.
1 min readThe database that fell over at 9am every day
My first infrastructure job. A client's system went down at the same time most mornings, and chasing the bottleneck live cut their downtime by 83%.
1 min read