Pigsty Blog Articles
Alibaba-Cloud: High Availability Disaster Recovery Myth Shattered
September 17, 2024 in Cloud

Seven days after Singapore Zone C failure, availability not even reaching 8, let alone multiple 9s. But compared to data loss, availability is just a minor issue
Seven days after Singapore Zone C failure, availability not even reaching 8, let alone multiple 9s. But compared to data loss, availability is just a minor issue
Optimize Bio Cores First, CPU Cores Second
September 07, 2024 in Database

Programmers are expensive, scarce biological computing cores, the anchor point of software costs — please prioritize optimizing biological cores before optimizing CPU cores.
Programmers are expensive, scarce biological computing cores, the anchor point of software costs — please prioritize optimizing biological cores before optimizing CPU cores.
MongoDB Has No Future: Good Marketing Can't Save a Rotten Mango
September 04, 2024 in Database

MongoDB has a terrible track record on integrity, lackluster products and technology, gets beaten by PG in correctness, performance, and functionality, with collapsing developer reputation, declining popularity, stock price halving, and expanding losses. Provocative marketing against PG can't save it with "good marketing."
MongoDB has a terrible track record on integrity, lackluster products and technology, gets beaten by PG in correctness, performance, and functionality, with collapsing developer reputation, declining popularity, stock price halving, and expanding losses. Provocative marketing against PG can't save it with "good marketing."
MongoDB: Now Powered by PostgreSQL?
September 03, 2024 in Database

MongoDB 3.2's analytics subsystem turned out to be an embedded PostgreSQL database? A whistleblowing story from MongoDB's partner about betrayal and disillusionment.
MongoDB 3.2's analytics subsystem turned out to be an embedded PostgreSQL database? A whistleblowing story from MongoDB's partner about betrayal and disillusionment.
Can PostgreSQL Replace Microsoft SQL Server?
September 02, 2024 in PostgreSQL

PostgreSQL can directly replace Oracle, SQL Server, and MongoDB at the kernel level. Of course, the most thorough replacement is SQL Server - AWS's Babelfish provides wire-protocol-level compatibility.
PostgreSQL can directly replace Oracle, SQL Server, and MongoDB at the kernel level. Of course, the most thorough replacement is SQL Server - AWS's Babelfish provides wire-protocol-level compatibility.
Amateur Hour Opera: Alibaba-Cloud PostgreSQL Disaster Chronicle
August 19, 2024 in Cloud

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.
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.
What Can We Learn from NetEase Cloud Music's Outage?
August 18, 2024 in Cloud

NetEase Cloud Music experienced a two-and-a-half-hour outage this afternoon. Based on circulating online clues, we can deduce that the real cause behind this incident was...
NetEase Cloud Music experienced a two-and-a-half-hour outage this afternoon. Based on circulating online clues, we can deduce that the real cause behind this incident was...
Whoever Integrates DuckDB Best Wins the OLAP World
August 13, 2024 in PostgreSQL

Just like the vector database extension race two years ago, the current PostgreSQL ecosystem extension competition has begun revolving around DuckDB. MotherDuck's official entry into the PostgreSQL extension space undoubtedly signals that competition has entered white-hot territory.
Just like the vector database extension race two years ago, the current PostgreSQL ecosystem extension competition has begun revolving around DuckDB. MotherDuck's official entry into the PostgreSQL extension space undoubtedly signals that competition has entered white-hot territory.
StackOverflow 2024 Survey: PostgreSQL Has Gone Completely Berserk
July 25, 2024 in PostgreSQL

The 2024 StackOverflow Global Developer Survey results are fresh out, and PostgreSQL has become the most popular, most loved, and most wanted database globally for the second consecutive year. Nothing can stop PostgreSQL from devouring the entire database world anymore!
The 2024 StackOverflow Global Developer Survey results are fresh out, and PostgreSQL has become the most popular, most loved, and most wanted database globally for the second consecutive year. Nothing can stop PostgreSQL from devouring the entire database world anymore!
Switzerland Mandates Open-Source for Government Software
July 24, 2024 in Database

Switzerland's government leads the way with open source legislation, showing IT developing countries how to ensure software sovereignty and control. True autonomy and control stem from "open source communities," not some "nationalist" style "domestic software."
Switzerland's government leads the way with open source legislation, showing IT developing countries how to ensure software sovereignty and control. True autonomy and control stem from "open source communities," not some "nationalist" style "domestic software."