Concurrency vs. Throughput: why more parallelism can make databases slower
Increasing throughput sometimes requires reducing parallelism. A look into why this is the case for Vitess + MySQL databases
Topic
#backpressure
2 篇笔记
What is WAL backpressure, and why does ClickHouse Managed Postgres need it?
How ClickHouse Managed Postgres uses WAL-aware backpressure to slow client writes, protect disk space, and let the archiver recover.