System CPU usage
Posted Nov 1, 2002 13:02 UTC (Fri) by jzbiciak
(✭ supporter ✭
In reply to: Reiser4 - the mammoth arrives
Parent article: Reiser4 - the mammoth arrives
One thing I've noticed in many benchmarks (well, at least the few that report this figure) is that Reiser3 seems to be very CPU heavy as compared to ext2. They may achieve about the same benchmark numbers as other filesystems when run with a disk-intensive benchmark, but (as I recall) the system CPU %age is much higher for Reiser3 than others.
The effect of higher system CPU usage is to slow down any compute-intensive processes that might be running in parallel with your I/O intensive application.
I'd like to see how Reiser4 fares. It's apparently a major rewrite,
so if it has fundamental changes in design, it could have completely
different CPU usage patterns.
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