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pgbench tps drop from 5000 to 37 going from localhost to a server 13ms away

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Hi all,

I've been doing some lightweight load testing with
“pgbench -c8 -j8 -T10”

When run locally on the postgres server I've testing, this gives around 5000tps

When I do it from a server that has a 13ms ping latency, it drops to 37tps.

This is using the default pgbench script, is it to be expected?
If so, why?

cheers,

Chris


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