Why PostgreSQL MVCC Scales Better Than Lock-Based Reads for Read-Heavy Workloads
A dashboard query runs while a background job updates ten thousand rows. In a lock-based engine, that SELECT waits—sometimes for seconds—until every…
Последние новости
⚑ Сообщить о проблемеTech news from the best sources
Все темы
AI
Gear
News
Tech
agents
ai
api
architecture
automation
beginners
career
database
devchallenge
devops
discuss
javascript
llm
machinelearning
mcp
opensource
performance
productivity
programming
python
security
showdev
testing
tutorial
typescript
webdev
PostgreSQL Table Bloat and Defragmentation: Autovacuum vs VACUUM vs VACUUM FULL
When rows are updated or deleted in PostgreSQL, the database does not immediately remove the old row versions from the table. Instead, PostgreSQL us…