Messages in this thread | | | Subject | Re: Reiser4 status: benchmarked vs. V3 (and ext3) | From | Alan Cox <> | Date | 27 Jul 2003 16:49:12 +0100 |
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On Sul, 2003-07-27 at 16:30, Bernd Eckenfels wrote: > why is jffs2 so slow, if the cpu overhead can be totally neglected when > writing to such slow media? I would asume a FS whic his optimized for not > wearing out flash cards would reduce the IOs to the absolute minimum and > therefore be fast be definition?
Flash cards are -slow-. Also jffs2 is mostly synchronous so it writes the long bit by bit. The flash wear is on erase not write. You could certainly teach jffs2 a bit more about batching writes. The other issue with jffs2 is startup because it is a log you have to read the entire log to know what state you are in
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