On Sat, Aug 07, 2004 at 02:56:26PM +0530, suneesh wrote: > > > > > > I have tried this....it works fine....but as i have SCSI disk it > > makes almost not difference (at least no with ext2) i have now come to the > >problem of how many files inside a directory can hold a fs before the > >directory gets too heavy to read (as you do lots of read/write operations) > >my application can generate more that 200000 files in the same directory, > >if this gets heavy in rw, i could try to separate the files inside various > >subdirectories.... > > > > > How big is these files ? If you compare some existing filesystems, you > can find that > Reiserfs is the best in supporting operations on directories having > large number of > small files. XFS also handles this better than ext2/ext3, but reiserfs > is the best in these > kind of situations. It also depends on the system call; for example, > unlink() recursively > is found to be slow on XFS - but very fast on ReiserFS. > > http://www.informatik.uni-frankfurt.de/~loizides/reiserfs/oldpage/reiser-vs-xfs.html > > XFS > ---- Few Big files = HIGH performance > ---- Many Small files = LOW performance > > Reiserfs > ---- Many Small files = HIGH performance > ---- Few Big files = LOW performance > > Reiserfs filesystem for the partition and a moderate level of > subdirectory implementation > will be a good solution for your problem. > ReiserFS 4 should be even better for this, I don't know its current status though. > Regards > > Suneesh > > > > > -- > Kernelnewbies: Help each other learn about the Linux kernel. > Archive: http://mail.nl.linux.org/kernelnewbies/ > FAQ: http://kernelnewbies.org/faq/ > > > +++++++++++++++++++++++++++++++++++++++++++ > This Mail Was Scanned By Mail-seCure System > at the Tel-Aviv University CC. > -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
