[Bug 1007619] Review Request: eatmydata - Library and utilities designed to disable fsync

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https://bugzilla.redhat.com/show_bug.cgi?id=1007619



--- Comment #8 from Derek Higgins <derekh@xxxxxxxxxx> ---
The motivation behind this is to speed up disposable systems, for example it
can be used to speed up arbitrary CI or Unit tests where data corruption
following an error doesn't matter, the test is just rerun.

In the specific example that prompted me to take over this review request,
eatmydata greatly speeds up yum installs during CI tests and qcow image builds,
if anything fails during either of these processes I would just rerun. I'm sure
its possible to get a similar performance increase by tuning storage but for 
processes that can be run on arbitary systems it may not always be possible or
practical to do the appropriate tuning.

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