Hi, Le lun. 12 juil. 2021 à 14:13, MichaelDBA <michael...@sqlexec.com> a écrit :
> hmmm, I think spilling over to disk for temporary tables is handled by > an entirely different branch in the PG source code. In fact, some other > folks have chimed in and said log_temp_files doesn't relate to temp > files at all use by temporary tables, just queries as you mentioned > below elsewhere. This seems to be a dark area of PG that is not > convered well. > As far as I know, log_temp_files only relates to sort/hash going to disks, not to temporary objects (tables and indexes). But, even if they are, they are definitely distinguishable by name. Sort/hash temp files are located in pgsql_tmp, and have a specific template name. Temp files for temporary objects are located in the database subdirectory, and also have a specific template name, different from the sort/hash temp files' one. Regards.
