On Wed, 2025-12-17 at 16:13 +0100, Colin 't Hart wrote: > I see very little advice on tuning WAL segment size. > > One of my clients has a few datawarehouses at around 8 - 16 TB > > On one of the nodes there are approx 15000 WAL segments of 16MB each, > totalling > approx 230GB. The archiver is archiving approx one per second, so approx 4 > hours to clear. > > Would we gain anything by bumping the WAL segment size?
Very likely yes, if the problem is the overhead of starting the archive_command. Another thing that can slow down archiving is if you compress these segments too aggressively. Yours, Laurenz Albe
