Software Architecture & Technical Insights
86 articles on Software Architecture & Technical from the Creuto engineering and product team: practical guides, trends, and lessons from building real software.
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OpenTelemetry migration at 100,000 hosts: Atlassian's approach
Atlassian replaced gostatsd with OpenTelemetry Collectors across roughly 100,000 hosts by keeping the interface services used and rebuilding everything behind it. The fixes it needed transfer to far smaller estates.
Akash Mohapatra
Sep 17, 2026
Self hosted LLM cost: the $8 a month claim checked
A widely shared guide claims Llama 3.3 70B runs on an $8 a month GPU droplet. Its own text contradicts the headline, the hourly rate is a third of the published price, and 70B at float16 does not fit on the card it names.
Akash Mohapatra
Sep 14, 2026
Characterization tests legacy code before refactoring
Record what the code actually does, hash it, then change one thing at a time and check the hash. The technique is old; what changed is that generating the recording is now cheap and agents made the question urgent.
Akash Mohapatra
Sep 14, 2026
AI agent consistency testing: run it five times
IBM researchers ran every task five times and found a 24 point gap between the average pass rate and the fraction succeeding every time. The second number is the one your users get.
Akash Mohapatra
Sep 14, 2026
Kubernetes native histograms end the bucket guessing
Native histograms graduate to Beta in Kubernetes v1.37, enabled by default. They fix bucket guessing, tenfold cardinality multiplication and interpolation error in percentiles — and the compatibility check belongs before the upgrade.
Akash Mohapatra
Sep 12, 2026
Package registry supply chain attack via the docs builder
Researchers allege autonomous agents uploaded over two thousand malicious packages to RubyGems in a week, exploiting the documentation builder rather than any dependency. The attribution is inference; the mechanism is the lesson.
Akash Mohapatra
Sep 12, 2026
Multicloud architecture tradeoffs: Form3 says don't
Form3 rebuilt its payments platform across AWS, Azure and Google because a regulator and a customer required it. Its engineers are unusually candid about the cost and about the three conditions you need first.
Akash Mohapatra
Sep 12, 2026
MCP specification breaking changes: sessions are gone
MCP's July 2026 specification removes the initialize handshake and the session header, which deletes the reason most deployments needed sticky routing. Six authorization SEPs and a changed error code come with it.
Akash Mohapatra
Sep 11, 2026
AI agent evaluation: score the trajectory, not the answer
A correct answer reached through two tool calls that should never have happened is a failing run, and single-output testing cannot see it. What trajectory evaluation measures, and a way to start that does not need a platform.
Akash Mohapatra
Sep 11, 2026
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