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2026-09-22
It is commonly assumed that an engineer’s work begins where the code appears. In practice it’s the opposite: the most expensive part of the work happens before the first line is written. Recently there was …
Read more2026-09-19
Trying to make everything equally reliable is the quickest way to exhaust the budget without increasing reliability where it matters. When a team proposes moving the entire infrastructure to a cluster with automatic …
Read more2026-09-16
Conversations about fault tolerance usually dive into technical details within the first two minutes: replication, failover, timeouts, quorum. The executive is left to assess the proposal based on the speaker’s …
Read more2026-09-13
People rarely talk about excessive reliability: insufficient reliability announces itself with outages, while excess looks like a virtue. A company pays for complexity it doesn’t use, and calls it prudence. …
Read more2026-09-07
In most companies the infrastructure diagram exists in two forms. The first is a pretty presentation: clusters, replicas, load balancers, arrows between them. The second is the real one — in a single engineer’s head — …
Read more2026-09-01
Fault tolerance is not a binary state. It’s a ladder of four levels, and each solves its own problem at its stage of the product’s life. Trying to skip a rung and build a complex system too early is classic …
Read more2026-06-10
A client came to me with a task that at first glance looks almost naively simple — so much so that it’s a little suspicious. There is a catalog: more than 50,000 items, and it’s not static — it constantly grows as …
Read more2026-05-14
LLMs reason very well. Their memory is poor. Ask an AI assistant about something you mentioned earlier in a long dialogue — and it might get confused, mix up details, or just start to drift, inventing facts. The longer …
Read more2026-05-13
Among parser developers a strange approach is spreading: send every downloaded page to an LLM asking it to find the needed data. Sounds convenient — you don’t have to understand the markup, the model will figure it …
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