3 weeks ago · software

Oracle AI Database 26ai— Automatic Transaction Rollback (Priority Transactions with high, medium and low priority)

Blocking When Two Users Update the Same Record If two users attempt to modify the same row, the session that issues the UPDATE later is blocked until the first...

1 month ago · software

Your Diesel Migrations Might Be Ticking Time Bombs

The Postgres Lock Problem Handshakehttps://joinhandshake.com/blog/our-team/postgresql-and-lock-queue/ deployed what looked like a routine migration during thei...

1 month ago · software

Spinlocks vs. Mutexes: When to Spin and When to Sleep

Introduction You’re staring at perf top showing 60 % CPU time in pthread_mutex_lock. Your latency is terrible. Someone suggests “just use a spinlock,” and sudd...