Re: problem with nfs ls latency during high IO

2011-03-16 Thread Judith Flo Gaya
Hello, Just wanted to let you know that I got answers from the linux-nfs list. It seems that at some point the code from the patch that was provided to fix the problem was removed between the 2.6.32 version and 2.6.35. They suggest me to file a bug to bugzilla[1] By the moment they suggest me

Re: problem with nfs ls latency during high IO

2011-03-15 Thread Judith Flo Gaya
On 03/15/2011 03:52 PM, Michael Cronenworth wrote: > > I wouldn't know the exact answer to that question, but the kernel > changes very frequently. RHEL5 is 17 versions behind F14. RHEL6 is > already 3 behind F14. If you want to be sure that the NFS code is all > identical then you should ask on

Re: problem with nfs ls latency during high IO

2011-03-15 Thread Michael Cronenworth
Judith Flo Gaya on 03/15/2011 09:23 AM wrote: > I browsed the code, but I can't see from what I read that the change was > applied on my current working version (2.6.35) and the rest as they look > very similar to me. > If that is the case and the patch is applied, then why is the behavior > so dif

Re: problem with nfs ls latency during high IO

2011-03-15 Thread Judith Flo Gaya
On 03/15/2011 02:29 PM, Michael Cronenworth wrote: >> What do you suggest? Shall I compile the new kernel? > > No. I was providing you a link I was hoping you would investigate on > your own. Browsing gitweb is easy. Fedora 14 uses 2.6.35 and it also[1] > includes the same code. I browsed the co

Re: problem with nfs ls latency during high IO

2011-03-15 Thread Michael Cronenworth
Judith Flo Gaya wrote: > Thanks a lot for your suggestion, but async looks to me a little "dangerous" > don't you think? I use RAID 5 and (expensive) battery backups. > > Regarding the kernel, I've seen that the new update in fedora's kernel will > not change to the stable one. > > What do you

Re: problem with nfs ls latency during high IO

2011-03-14 Thread Judith Flo Gaya
Thanks a lot for your suggestion, but async looks to me a little "dangerous" don't you think? Regarding the kernel, I've seen that the new update in fedora's kernel will not change to the stable one. What do you suggest? Shall I compile the new kernel? I have to put this server on production

Re: problem with nfs ls latency during high IO

2011-03-14 Thread Michael Cronenworth
Judith Flo Gaya wrote: > Can you help me on this? am I wrong in my supposition (is the patch > really applied)? is it possible that my problem is somewhere else? > The patch looks to be backported (per BZ comment). Meaning: It's already upstream. The latest stable kernel (2.6.37) seems to have th

problem with nfs ls latency during high IO

2011-03-14 Thread Judith Flo Gaya
Hello, I hope this is the list to write to, if it's not, please let me know. Here is the problem: I was told some days ago that my problem with my NFS system is related to this bug, as the problem that I'm experiencing is quite similar. The bug : https://bugzilla.redhat.com/show_bug.cgi?id=46984