August 18, 2026 · Engineering
Frontend Monitoring: Finding Out Before the White Screen
Users will not tell you the page is broken, they just leave. Monitoring has to be in place before launch.
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An enterprise blog · Lanzhou · since 2019
The Jiayifangyuan Journal
What we learn, written down in public
Engineering
24 postsAugust 6, 2026 · Engineering
Gray Releases for Small and Mid-Sized Projects
Without heavy infrastructure, simple techniques still keep release risk under control.
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July 25, 2026 · Engineering
Why Report Exports Are So Slow
Freezing the browser while exporting a hundred thousand rows is rarely a file-writing problem. It is about queries and memory.
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July 13, 2026 · Engineering
Message Queues Are Not a Cure-All
A queue decouples and absorbs spikes, and also introduces duplicates, ordering and observability problems.
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July 1, 2026 · Engineering
Data Migration: Understand the Old Ledger First
Migrations rarely fail on technology. They fail because nobody can describe what the legacy data actually contains.
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June 19, 2026 · Engineering
What to Test When the Budget Is Tight
Without a dedicated QA team you still need a strategy. Spend the limited effort where failures cost the most.
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June 7, 2026 · Engineering
Making Code Review Work in a Small Team
Review is not fault-finding. It is making sure a second person understands a change before it merges.
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May 26, 2026 · Engineering
Notes on Offline, Air-Gapped Deployment
Factory, government and large enterprise networks often cannot reach the internet, so deployment must be designed for it.
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May 14, 2026 · Engineering
Barcodes and RFID: The First Step in Warehouse Digitalisation
Many warehouse projects start not with software but with turning every item into a scannable number.
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— The editors at JiayifangyuanEST. 2019 · JYFY