Function Calling: How LLMs Actually Call Your Tools
Ask a chat model to check the weather and it will happily invent a forecast — it has no way
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From Our Blog
Timeouts, Retries, and Circuit Breakers: HTTP Clients That Fail Gracefully in Go
Every production incident report with a root cause of “the downstream service was slow” is really a story about a
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Stop Putting Secrets in Environment Variables (and What to Do Instead)
Environment variables remain the default way applications receive credentials, and they remain the first thing attackers and accidental logs grab.
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OOMKilled Isn’t Random: How Kubernetes Decides to Kill Your Pod
Every Kubernetes operator eventually meets the same 3 a.m. page: a pod stuck in a restart loop, kubectl describe shows
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Multi-Window, Multi-Burn-Rate Alerting: SLO Pages That Don’t Cry Wolf
Every team that adopts SLOs eventually hits the same wall: the service is “up 99.95% of the time,” nobody knows
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B-Trees vs LSM Trees: The Storage Engine Trade-Off Behind Every Database
Every database you use is a B-tree or an LSM tree underneath. PostgreSQL and MySQL’s InnoDB are B-trees. RocksDB, Cassandra,
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Client-Side Caching with Redis: Invalidation Is the Whole Design
Most services read the same rows over and over. A user profile endpoint gets hammered by the same traffic pattern
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The Distillation Wars: Which Chinese AI Labs Actually Train Their Own Models
In August 2026, ByteDance founder Zhang Yiming told the company’s Seed AI research team something almost nobody in the industry
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Pagination That Doesn’t Fall Apart at Page 50,000: Keyset Cursors Done Right
Almost every API starts its pagination life with LIMIT 20 OFFSET 40. It’s the pattern every ORM hands you, it
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Speculative Decoding: The Math, the Drafters, and When the Bet Pays Off
Every token an LLM emits costs a full forward pass. The GPU reads hundreds of gigabytes of weights, computes one
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