Running tests under valgrind is getting slower at an alarming pace

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От Andres Freund
Тема Running tests under valgrind is getting slower at an alarming pace
Дата
Msg-id 20211006055702.b7a44c7ncorjvp5p@alap3.anarazel.de
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Ответы Re: Running tests under valgrind is getting slower at an alarming pace  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: Running tests under valgrind is getting slower at an alarming pace  (Robert Haas <robertmhaas@gmail.com>)
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Hi,


After a recent migration of the skink and a few other animals (sorry for the
false reports on BF, I forgot to adjust a path), I looked at the time it takes
to complete a valgrind run:

9.6: Consumed 4h 53min 18.518s CPU time
10: Consumed 5h 32min 50.839s CPU time
11: Consumed 7h 7min 17.455s CPU time
14: still going at 11h 51min 57.951s
HEAD: 14h 32min 29.571s CPU time

I changed it so that HEAD with be built in parallel separately from the other
branches, so that HEAD gets results within a useful timeframe. But even with
that, the test times are increasing at a rate we're not going to be able to
keep up.

Part of this is caused by a lot of tests running serially, rather than in
parallel. I was pondering setting PROVE_FLAGS=-j5 or something to reduce the
impact of tap tests a bit.

Greetings,

Andres Freund



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