#sqlla

PrecisionSQLPrecisionSQL
2026-01-22

Why does this SQL lock table block readers?

Why does this SQL lock table block readers in production. The SQL code runs a long update in a transaction, holding locks and blocking reads. In SQL services this causes latency spikes and timeouts.

...

youtube.com/watch?v=s_mcOfxOi3s

Client Info

Server: https://mastodon.social
Version: 2025.07
Repository: https://github.com/cyevgeniy/lmst