[Swan-dev] speed of tests on three systems

[Andrew Cagney]

> Hugh,
>
> thanks for sharing the numbers.
>
> I am curious to see how fast it would be if you used tmpfs.
> and possibly more "test-runners".
>
> KVM_PREFIX= t1. t2. t3. t4.
> KVM_WORKERS=2
> KVM_POOLDIR=/tmp/swanpool

Setting:

KVM_LOCALDIR=/tmp/swanpool

and not KVM_POOLDIR will ...

> to speed up the installation. put link to fedora iso in the directory.
> Fedora-Server-dvd-x86_64-28-1.1.iso -> /home/build/pool/Fedora-Server-dvd-x86_64-28-1.1.iso


... avoid that problem.

> Otherwise the install script will download F28 iso every time you rebuild after a reboot.
>
> NOTE: you have to increase your host's tmpfs size. You may need about 10GB ramfs. A 32GB RAM host is ideal for this:)
>
> Or/and decrease VIRT_DISK_SIZE_GB=6GB or so.

Along that line, our test vms seem to have a lot of ram.