Messages in this thread | | | Date | Fri, 06 Jul 2012 13:53:46 +0800 | From | Liu Yuan <> | Subject | Re: [RFC PATCH 0/5] fuse: make maximum read/write request size tunable |
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On 07/05/2012 06:50 PM, Mitsuo Hayasaka wrote: > One of the ways to solve this is to make them tunable. > In this series, the new sysfs parameter max_pages_per_req is introduced. > It limits the maximum read/write size in fuse request and it can be > changed from 32 to 256 pages in current implementations. When the > max_read/max_write mount option is specified, FUSE request size is set > per mount. (The size is rounded-up to page size and limited up to > max_pages_per_req.)
Why maxim 256 pages? If we are here, we can go further: most of object storage system has object size of multiple to dozens of megabytes. So I think probably 1M is too small. Our distribution storage system has 4M per object, so I think at least maxim size could be bigger than 4M.
Thanks, Yuan
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