Databases, feeds, and the queries that get expensive.https://leader.ondelva.com/enhttps://leader.ondelva.com/notes/why-the-queue-got-expensive/https://leader.ondelva.com/notes/why-the-queue-got-expensive/A retry policy I wrote in ten minutes cost me four months of database bill before I read the graph properly.Fri, 14 Aug 2026 00:00:00 GMTdatahttps://leader.ondelva.com/notes/spreadsheets-until-they-are-not/https://leader.ondelva.com/notes/spreadsheets-until-they-are-not/Ledgerline began as a spreadsheet with 40 tabs, one per vendor, and it stayed a spreadsheet for about eight months before the tab count and the formula errors…Sat, 21 Mar 2026 00:00:00 GMTdatahttps://leader.ondelva.com/notes/the-week-i-deleted-the-dashboard/https://leader.ondelva.com/notes/the-week-i-deleted-the-dashboard/A client asked for charts and got a Friday email instead.Fri, 30 Jan 2026 00:00:00 GMTdata