Posted Aug 30, 2010 20:07 UTC (Mon) by Jonno
In reply to: sreadahead
Parent article: LinuxCon: A tale of two bootcharts
The only advantage I know to reading stuff into cache ahead of time is that you can do it in optimal order.
The main advantage is to never have to do iowait but always have the data you need at hand. Eg doing 10 seconds of disk reads and 15 seconds of CPU time in 15 seconds rather than in 25 seconds.
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