Mailinglist Archive: yast-devel (36 mails)

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Re: [yast-devel] Speedup unit tests: parallel_tests gem and parallel Travis jobs
On 18.06.2018 11:06, Ladislav Slezak wrote:
Short version:

Install the latest ruby2.5-rubygem-parallel_tests ruby2.5-rubygem-parallel_tests
packages from YaST:Head OBS and enjoy lightning fast "rake test:unit"
in yast2-storage-ng:-)

Test results:

rake test:unit in yast-storage-ng took 22:30 (yes, 22 min 30 sec!) on my machine before that.

Using parallel tests reduced this to 4:50. The code and the tests were running on a local XFS filesystem, not on NFS.

Moving the y2log from my NFS home to that local XFS reduced it to 0:37 (!!).

Redirecting the y2log to /dev/null reduced it to 0:31 (!!).

This is as simple as

export Y2LOG_FILE=/dev/null
rake test:unit

or, for just that one call,

Y2LOG_FILE=/dev/null rake test:unit

This is really worthwhile.

Kind regards
Stefan Hundhammer <shundhammer@xxxxxxx>
YaST Developer

SUSE Linux GmbH
GF: Felix Imendörffer, Jane Smithard, Graham Norton; HRB 21284 (AG Nürnberg)
Maxfeldstr. 5, 90409 Nürnberg, Germany
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