Messages in this thread | | | Date | Tue, 3 Aug 2010 08:55:43 +0200 | From | Pavel Machek <> | Subject | Re: Nigel's current for-rafael queue |
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On Wed 2010-06-02 22:18:59, Nigel Cunningham wrote: > Hi all. > > Here is my current patch queue. > > Taken together, the patches implement the separation of low level > block i/o into a separate file, switch from using swap_map_pages > to extents stores prior to the 'header' page and implement fully > asynchronous (rather than batched I/O). I have only run it under > VMware so far, but would estimate a doubling in speed due to the > async i/o.
Do you have any numbers from real hw? Could similar speedup be accomplished by just increasing the batch size? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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