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AndresFreundTec's profile
Andres Freund (Tech)
Andres Freund (Tech)
Andres Freund (Tech)
@AndresFreundTec

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Andres Freund (Tech)

@AndresFreundTec

Postgres developer, working at Microsoft. Also: politics nerd, expat German in the US. Account for tech related things. For politics: @AndresFreundPol

San Francisco, CA
Joined August 2017

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    1. Peter Geoghegan‏ @petervgeoghegan 25 Jul 2019
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      @ahachete FYI, this is by far the best TPC-C implementation for Postgres: https://github.com/petergeoghegan/benchmarksql …. The OpenSCG repo disappeared so I set up a mirror. Postgres 12 has decent TPC-C results. Getting a valid result is expensive due to spec's cap on xacts per minute per warehouse.

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    2. Peter Geoghegan‏ @petervgeoghegan 25 Jul 2019
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      TPC-C is required to be I/O bound, which is why it costs so much to run correctly. Many newSQL systems have unofficial TPC-C results with unrealistic TPS for the available warehouses (arguably this is cheating). See https://www.cockroachlabs.com/blog/2-dot-0-perf-strides/ ….

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      Andres Freund (Tech)‏ @AndresFreundTec 25 Jul 2019
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      Replying to @petervgeoghegan @ahachete

      Also arguably a more relevant workload? IMO the low xact per warehouse limit makes the workload less realistics given today's workloads? Still makes it annoying to compare results, of course.

      11:49 AM - 25 Jul 2019
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        1. Peter Geoghegan‏ @petervgeoghegan 25 Jul 2019
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          Replying to @AndresFreundTec @ahachete

          Right. TPC-E addresses this criticism by being far more read heavy, and more cpu bound. It's a lot easier to run. But most vendors prefer TPC-C because it's far easier to shard.

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        1. Peter Geoghegan‏ @petervgeoghegan 25 Jul 2019
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          Replying to @AndresFreundTec @ahachete

          The original idea of the requirement was that it had to be realistic for a wholesale ordering system, which makes sense. These days all TPC-C results have more customers than there are humans on planet earth.

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