https://www.yongjiexue.io/en/tags/rds/Recent content in RDS on Yongjie XueHugoen-USFri, 31 Jul 2026 00:00:00 +0000https://www.yongjiexue.io/en/cloud/rds-mysql-crash/Fri, 31 Jul 2026 00:00:00 +0000https://www.yongjiexue.io/en/cloud/rds-mysql-crash/A reader’s RDS MySQL instance failed over twice in five days: the cloud provider’s own back-end monitoring query brought it down, and the instance failed again with the same symptoms after the provider promised to disable that collector.https://www.yongjiexue.io/en/cloud/rds-scam/Sun, 06 Oct 2024 00:00:00 +0000https://www.yongjiexue.io/en/cloud/rds-scam/The paradigm shift brought by RDS, whether cloud databases are overpriced cafeteria meals. Quality, security, efficiency, and cost analysis, cloud exit database self-building: how to implement in practice!https://www.yongjiexue.io/en/cloud/rds-failure/Mon, 19 Aug 2024 00:00:00 +0000https://www.yongjiexue.io/en/cloud/rds-failure/A customer experienced an outrageous cascade of failures on cloud database last week: a high-availability PG RDS cluster went down completely - both primary and replica servers - after attempting a simple memory expansion, troubleshooting until dawn. Poor recommendations abounded during the incident, and the postmortem was equally perfunctory. I share this case study here for reference and review.https://www.yongjiexue.io/en/cloud/dba-vs-rds/Fri, 02 Feb 2024 00:00:00 +0000https://www.yongjiexue.io/en/cloud/dba-vs-rds/Two days ago, the ninth episode of Open-Source Talks had the theme “Will DBAs Be Eliminated by Cloud?” As the host, I restrained myself from jumping into the debate throughout, so I’m writing this article to discuss this question: Will DBAs be eliminated by cloud?https://www.yongjiexue.io/en/cloud/no-dba-bullshit/Wed, 01 Mar 2023 00:00:00 +0000https://www.yongjiexue.io/en/cloud/no-dba-bullshit/Guo Degang has a comedy routine: “Say I tell a rocket scientist, your rocket is no good, the fuel is wrong. I think it should burn wood, better yet coal, and it has to be premium coal, not washed coal. If that scientist takes me seriously, he loses.”https://www.yongjiexue.io/en/cloud/rds/Mon, 30 Jan 2023 00:00:00 +0000https://www.yongjiexue.io/en/cloud/rds/Winter is coming, tech giants are laying off workers entering cost-reduction mode. Can cloud databases, the number one public cloud cash cow, still tell their story? The money you spend on cloud databases for one year is enough to buy several or even dozens of higher-performing servers. Are you paying an IQ tax by using cloud databases?https://www.yongjiexue.io/en/cloud/drop-rds/Tue, 10 May 2022 00:00:00 +0000https://www.yongjiexue.io/en/cloud/drop-rds/I recently witnessed a live cloud database drop-and-run incident. This article discusses how to handle accidentally deleted data when using PostgreSQL in production environments.https://www.yongjiexue.io/en/cloud/is-dba-good-job/Tue, 10 May 2022 00:00:00 +0000https://www.yongjiexue.io/en/cloud/is-dba-good-job/Ant Financial had a self-deprecating joke: besides regulation, only DBAs could bring down Alipay. Although DBA sounds like a profession with glorious history and dim prospects, who knows if it might become trendy again after a few terrifying major cloud database incidents?https://www.yongjiexue.io/en/pg/pigsty-intro/Mon, 24 May 2021 00:00:00 +0000https://www.yongjiexue.io/en/pg/pigsty-intro/Yesterday I gave a live presentation in the PostgreSQL Chinese community, introducing the open-source PostgreSQL full-stack solution — Pigsty