InAWS in Plain EnglishbyRishi Reddy·Oct 19, 2025Why deleting 500GB from MySQL didn’t free up disk space on AWS RDSLast week, I was asked to clean up unnecessary data from our multi-terabyte MySQL database on AWS RDS. I deleted ~500GB and expected a nice…A response icon1A response icon1
Dibeesh KS·Oct 17, 2025How Facebook’s Social Graph Handles 10 Billion Queries Every SecondImagine a system that answers 10 billion questions every single second — about who liked what, who follows whom, and what post connects to…
Ryanyang·Apr 29, 2024MySQL · Source Code Analysis · MySQL deadlock caused by lock inheritanceIn our user environment, we find deadlock cause by this example.
