AWS Bill Exploded to $50K: AI Debug-Logging Disaster
Verbose AI-inserted logs spewed terabytes; we shut them off, added rotation, and slashed cloud spend ~95%.
Real problems from ChatGPT, Claude, Copilot, and other AI tools. Practical solutions that actually work. From chaos to clean code.
Verbose AI-inserted logs spewed terabytes; we shut them off, added rotation, and slashed cloud spend ~95%.
Duplicate webhooks skipped charges; we added idempotency and audit checks to recover every dollar.
Missing indexes & N+1s from Claude code stalled pages; we optimised SQL and cut load times 10×.
Credentials were stored un-hashed; we encrypted data, rotated secrets, and passed a security audit.
AI code ignored pooling and caching; we tuned resources so the app now handles thousands concurrently.
Hard-coded click events broke on touch devices; we rebuilt the login UI responsively and reclaimed mobile traffic.
Long forms timed-out and nuked user input; we added autosave drafts and drop-off plummeted.
Unused components ballooned the bundle; we tree-shook & split code, slicing JS size 65%.
Monolithic serverless bundle froze on warm-up; we slimmed functions & cached layers to cut p99 cold-start 7×.
Missing permissions let users delete others' accounts; we added proper access controls and audit logging.
Shared sessions leaked private data; we isolated user contexts and restored privacy protection.
No error handling crashed the entire system; we added resilience and eliminated downtime.
Rigid search logic broke user queries; we added fuzzy matching and boosted findability 400%.
Hardcoded credentials exposed in public repos; we secured secrets and prevented future leaks.
AI loop leaked objects until RAM died; we fixed the leak and halved runtime memory.
No automated tests meant weekly fire-drills; we added a CI-backed test suite and shipped stable releases.
Newsletter CC'd 10,000 emails publicly; we fixed privacy controls and rebuilt trust.
Mobile users couldn't checkout on iOS Safari; we fixed cross-browser compatibility and recovered sales.
Private files indexed by search engines; we secured storage and removed exposed data.
New users couldn't verify accounts; we fixed email delivery and activated thousands of users.
Refactors spaghetti controllers; eager-loads relations for 5× faster pages.
Unnecessary re-renders slowed React apps; we optimized components and boosted performance 4×.
Massive bundle sizes from unused imports; we tree-shook dependencies and cut bundle 60%.
Redundant models created migration conflicts; we normalized the schema and streamlined the codebase.
Hardcoded secrets exposed in version control; we secured credentials and prevented future leaks.
Duplicated validation logic everywhere; we centralized dependencies and cut code repetition 70%.
No tests meant constant breakage; we added comprehensive test coverage and eliminated bugs.
Singleton beans leaked memory until heap died; we fixed lifecycle management and stabilized the app.
Multi-GB containers killed deployment speed; we optimized images and cut size 80%.
Massive bundle caused 10s cold-starts; we slimmed functions and cut startup time 8×.
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