On Tue, Jun 5, 2012 at 9:15 PM, udit agarwal <fzdudit@xxxxxxxxx> wrote: > Hi, > Thank you all for your support in resolving the issue. As I mentioned in my > previous post that I ran my iozone test again on a 5G file excluding the 4k > record size. And now, I have successfully completed this test with record sizes > of 8k and 16k and hopefully all others will also work fine. But I am still > confused with the failure of the iozone test on 5G & 5M file with record size > 4k, while it worked happily for files of sizes 10M & 10G. > > Can anyone help me with this problem with suitable reasons?? > Thanks in advance. Smaller records means more operations which means all kinds of locking bugs and races are more likely to manifest. I created ticket http://tracker.newdream.net/issues/2520 for us to add iozone 4k random read/write into our test suite. -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
