- Run pgbench -c 10 -T 100
- Stop postgres with -m immediate

That is a strange test to run, but it would be better if the behavior was
not that one.


Well, I think it's a very legitimate test, not for testing performance, but
testing crash recovery and I use it very often.

Ok, interesting. Now I understand your purpose.

You may consider something like "BEGIN; UPDATE ...; \sleep 100 ms; COMMIT;" so that a crash is most likely to occur with plenty transactions in progress but without much load.

--
Fabien.


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