Letsgetdugg

I recently learned a hard lesson with PostgreSQL’s long lived connections; persistent connections expand in memory size without giving any back to the OS. I saw our PostgreSQL database go from 1.2gigs (shared_buffers set to 1024m) to 3.8gigs in memory size. Almost 2.6gigs of memory wasted on persistent connections held on by our connection pool. […]

I recently had a WD Raptor drive die in a server that hosted our PostgreSQL database. I had a ZFS snapshot strategy setup that sent over ZFS snapshots of the live database to a ZFS mirror for backup purposes. Looked good in theory right? Except, I forgot to do one critical thing, test my backups. […]

I used to backup our database using the following statement; pg_dump -h fab2 -Fc -Z9 somedb > somedb.db Once our dataset grew into the gigabytes, it took a very long time to do database dumps. Today, I stumbled upon yet another awesome blog post done by Ted Dzibua mentioning two useful parallel compression utilities. So […]