When a Production Dashboard Shows Zero Despite Having Data
Replacing full-detail loading with database aggregation after a production dashboard timed out and left every counter at its initial zero.
TYPECategories
Backend Engineering
5 articles
Why a Copied Outbound Order Disappeared from the Default Dashboard
How inherited audit timestamps made a newly copied outbound order invisible to a time-windowed dashboard.
When a Local WMS Appears to Use Production Data
A practical investigation of a local WMS whose JDBC data looked correct while login and permissions came from a different environment.
Optimizing a Slow MySQL Wave List Query: From Index Tests to a SQL Rewrite
How I investigated a slow WMS list query, reverted ineffective index attempts, and validated a much faster query structure.
Why Logistics Bugs Return: Put Rules Where State Actually Changes
Four apparently unrelated logistics defects shared one cause: business rules protected a visible entry point instead of the shared operation that actually changed state or data.