Kevin Constantine wrote: > Trond Myklebust wrote: >> On Wed, 2009-04-15 at 13:30 -0700, Kevin Constantine wrote: >>> Has there been any effort to expose caching statistics to the end >>> user? On the client-side, it would be useful to see how much data >>> is being re-used from cache vs data that gets retrieved over the >>> wire. Similarly on the server side, it would be nice to see how much >>> data is being served from cache vs having to pull the data from disk. >>> >>> Just wondering if anyone started anything to expose this sort of >>> information. >> >> See the nfs-iostat tool in the nfs-utils package: >> >> >> http://git.linux-nfs.org/?p=steved/nfs-utils.git;a=tree;f=tools/nfs-iostat;h=929e303cc762a68dfd01546f5150eb294274164e;hb=refs/heads/master >> >> >> Note that you need a 2.6.17 kernel or newer. >> >> Cheers >> Trond > > Thanks Trond- > > It seems like nfs-iostat is displaying the number of pages that are > being written to the read/write caches (i'm only looking at the > client-side at the moment), and what I'm interested in is the ratio of > pages being read from cache vs data being fetched from the server. > > Is there any documentation on the layout of /proc/self/mountstats? No, unfortunately not... steved. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
