On 2011-04-04 16:05, Jim Rees wrote: > Andrew Klaassen wrote: > > I've confirmed my earlier results using 2.6.37.5 on the server, though now > the results are closer to 10 times worse than the Netapp on similar > hardware rather than 100 times worse. > > A big improvement, but I'd still be interested to know if the server is > capable of the getattr/readdirplus/lookup versus read/write tradeoffs that > I'm looking for to bring "ls -l" speeds under load down to levels that > won't make my users yell at me. > > What would be nice is if we could add a new system call that would do > roughly what the nfs4 readdir rpc does. It would take a mask of requested > file attributes, then return those attributes along with the directory > entries. This would help "ls -l" but would also help all those chatty new > gnome/kde user interface things that love to stat every file in every > directory. > -- > 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 Like this? :) http://www.opengroup.org/platform/hecewg/uploads/40/10903/posix_io_readdir+.pdf See this for discussion: http://www.spinics.net/lists/linux-fsdevel/msg03276.html And this for other ideas ;-) http://www.opengroup.org/platform/hecewg/ Benny -- 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
