Compare LOB read performance on postgres Testet on my Laptop i7-8565U with SSD, 300MB content with 5 iterations read file 3488,4 MiB/s 0.433s read bytea 78,8 MiB/s 19.037s read bytea_external 79,4 MiB/s 18.904s read lo 36,6 MiB/s 40.969s