Re: [CentOS] Increasing NFS Performance

2010-06-21 Thread sorrillo
I meant the number of NFS thread CAN help. And yes, generally, async gives better performance than "sync" See if your clients are showing state "D" in top for your nfs client process. Check for iowait states in iostat. > What kind of local(on the box themselves) read/write speeds are you > obser

Re: [CentOS] Increasing NFS Performance

2010-06-21 Thread sorrillo
What kind of local(on the box themselves) read/write speeds are you observing. What is the specs on your server: memory, # cpus, cpu speeds, any raid? What kind of remote access read/write are your observing? Try doing a dd or something to get a ball park idea. To first order in NFS performance tu