migrations – Page 9 – Türker Yıldırım

Vue 2.7 exists so you do not have to migrate yet

Deep diveJuly 28, 202210 min read

July, and the Composition API backported to the 2.x line. 214 components and no appetite for a big-bang rewrite.

Vue 2.7 backports script setup and nothing else

NoteJuly 12, 20222 min read

July’s 2.7 brings the Composition API and script setup to the 2.x line, which removes the main reason to rush a migration. The reactivity engine is still the…

A GDPR deletion request across eleven tables

Deep diveJuly 4, 202214 min read

A request arrived and nobody could say where the data was. Personal data in eleven tables, three of them denormalised copies.

The deploy that needed a database restore

Deep diveJune 7, 202215 min read

A migration that wrote bad data to 41,000 rows. Rollback restores the code and not the rows.

The queue table that became a bottleneck at four million rows

Deep diveJune 3, 202210 min read

A database-backed queue that worked for four years. SELECT FOR UPDATE SKIP LOCKED, and a lock wait timeout.

The report that ran on a replica and was three minutes stale

Deep diveMay 31, 202210 min read

Read routing added for capacity, and a report that disagreed with the dashboard. Two numbers, both correct, three minutes apart.

Ubuntu 22.04 and the OpenSSL 3 that broke your extension

NoteApril 20, 20222 min read

22.04 in April ships OpenSSL 3, and a PHP extension compiled against 1.1 does not load against it. The extension case is a rebuild and is straightforward once…

Redis functions replace the Lua scripts nobody could version

Deep diveApril 12, 202210 min read

7.0 in April, and a script registry that survives a restart. EVAL with a SHA nobody can map back to source.

Reindex behind an alias that swaps atomically

NoteApril 7, 20222 min read

Every application should read and write through an alias rather than an index name, which turns a mapping change from an outage into a swap. The two actions…

Moved blocks, and the Terraform refactor that destroyed nothing

Deep diveMarch 30, 202210 min read

1.1, and a block that renames a resource without destroying it. Renaming a module meant a plan that wanted to drop a database.