On 11/20/2018 03:49 PM, George Anchev via Bacula-users wrote: > On Mon, 19 Nov 2018 17:16:52 -0600 Dimitri Maziuk via > Bacula-users wrote: > >> https://www.postgresql.org/docs/10/routine-vacuuming.html > > Good info. Thanks. > >> WAL: don't worry about it unless you want to archive >> them or replicate your database. > > But the pg_wal directory is way too big and I have no > idea how to decrease it (without damaging anything). > Hence the whole question: how to manage that? Is there > a way to (auto)vacuum this too?
I've 320MB on a server that replicates a database of a few million rows, and ~100MB on our bacula server w/ a year's worth of backups. What do you call "too big"? There is wal_keep_segments: https://www.postgresql.org/docs/10/runtime-config-replication.html but if replication is not on, it's normally only a handful of 16MB files in there, like 6 or so. -- Dimitri Maziuk Programmer/sysadmin BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu
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