The eatmydata package block programs from using file system sync, a kernel operation slowing down execution to ensure data reaches the disk before continuing. No-one care if the hard disk got any data for the continous integration tests if the machine crashes halfway through the test, so this is just wasted time.
The eatmydata package block programs from using file system sync, a kernel operation slowing down execution to ensure data reaches the disk before continuing. No-one care if the hard disk got any data for the continous integration tests if the machine crashes halfway through the test, so this is just wasted time.