wambacher@xxxxxxxxx wrote: > i have a very big table (PostGIS OpenStreetMap data, but that does not mapper) > with about 380 million records and a size of 275 GB + Indices. > Permanently updated and growing. > Of course i enabled autovacuum. > The log shows me 8.2 Mio index scans (iscan), which is fine, and right now > 424 sequential scans (sscan) for planet_osm_polygon. see attached image. > I want to locate the query doing this stuff but EXPLAIN won't help because > most querys are dynamicly created. > Is there a way/trick do this? With a big table it shouldn't be a problem. Set log_min_duration_statement = 10000 or similar, and all long running statements will be logged. The sequential scans should be among them. Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com