Adrian Klaver <adrian.klaver@xxxxxxxxxxx> writes: > On 3/18/19 7:33 AM, Thomas Güttler wrote: >> If I used ascii data the tests took 52 seconds. >> If I used random binary data the test took 250 seconds. This doesn't seem terribly surprising in bytea_output = escape mode. Probably with bytea_output = hex the performance would be less data-dependent. regards, tom lane