TILens turns technical updates into a focused daily brief: official releases,
trusted reporting, and practitioner analysis, deduplicated and organized by topic.
Last week I put a fake DSN host behind a small Express app to log what the Sentry SDK actually sends. I went in for the byte counts. The thing I keep thinking about a week later is one line in a stored error event:…
Read/write splitting is easy for single, autocommit statements. It gets hard the moment a client opens a transaction. Most proxies give up and send every statement inside a transaction to the primary, even the reads.…