apache iceberg table maintenance (is_current_ancestor part deux)

as a follow-on to my earlier post about iceberg versioning (and the is_current_ancestor flag), i thought it would be useful to show working examples of the maintenance activities that are needed to manage the sprawl of data lake files that come with more and more versions

becoming a data engineer (yet another top 10 list)

after a recent class i was asked what skills someone needs to become a data engineer – there are plenty of these lists all over the internet, yet here i go assuming i know enough to jot down yet another; at least i put mine all in a single picture 😉

iceberg snapshot is_current_ancestor flag (what does it tell us)

i’ve noticed the is_current_ancestor column of the apache iceberg $history metadata table for a while now – it wasn’t until I got a direct question about it that i realized it was time to find out for sure