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Re: Performance of ByteA: ascii vs binary - Mailing list pgsql-general

From Tom Lane
Subject Re: Performance of ByteA: ascii vs binary
Date
Msg-id 2888.1552920585@sss.pgh.pa.us
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In response to Re: Performance of ByteA: ascii vs binary  (Adrian Klaver <adrian.klaver@aklaver.com>)
Responses minio server. Was: Performance of ByteA: ascii vs binary  (Thomas Güttler <guettliml@thomas-guettler.de>)
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Adrian Klaver <adrian.klaver@aklaver.com> 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

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