• A Bloom Filter Lies in One Direction Only
• Ship Hashes, Not Rows: Merkle Trees Find the Replica That Drifted
• Keeping Both Versions Is Not a Merge
• Your Timestamps Cannot Order Your Writes
• Your Failure Detector Cannot Tell Dead From Slow
• Your Commit Is a Promise About a Log, Not About Your Tables
• You Cannot Update a Database and a Queue in One Breath
• Your Timeout Is Not a Deadline
• Your Policy Gate Is Live. Now Watch the Agent Route Around It
• Adding One Node Should Not Move Ninety Percent of Your Keys
• Your p99 Is a Product Decision: Hedged Requests and the Long Tail
• Your Election Crowned Two Kings
• Your Prompt Filter Passed and the Attack Still Ran
• Your Prompt Template Is a Code Execution Surface
• Two-Phase Commit Is a Promise No One Can Keep
• Stop Trying to Invalidate Your Cache. Budget the Staleness Instead.
• Your Servers Disagree About What Time It Is
• Give Your Worker Queue Backpressure Before It Falls Over
• Put a Policy Gate in Front of Your AI Agent's Tools
• Add Idempotency Keys to Your API in an Afternoon
• Backpressure: The Load-Shedding You Skip Until the Outage
• Never Let the Confined Process Dial Home
• Your Retry Policy Is a DDoS You Wrote Yourself
• Threat-Model Your MCP Server Before Attackers Do It for You
• Why I write here
• Your Firewall Doesn't Speak LLM! We Gave AI Agents the Keys. Nobody Asked If the Locks Still Work.