Go embed: Reducing Unnecessary Memory Use with Minimal Changes
Comparing mmap and direct embedding to remove the GeoIP database heap copy found with Pyroscope, reducing unnecessary memory use without changing deployment.
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From 245 Peak-Time Pods to Around 100: Halving Go Server CPU with DynamoDB SDK v2
Finding a reflection bottleneck with Pyroscope and moving to guregu/dynamo v2: 59% less CPU per request and roughly half as many HPA pods.
Improving Feature Flag API p99 Latency—and Contributing the Fix Upstream
Tracing p99 spikes caused by synchronous go-feature-flag flushes holding a mutex during S3 uploads and jitter sleeps, then fixing them with AsyncExporter and an upstream PR.
Cutting Python 2.7 CI Time from 13 Minutes to 3
Introduction Hello, I’m Elric from the Supply group’s Product Backend team. Honeyscreen frequently deploys new promotions, but its long CI pipeline—about thirteen minutes—had becom…