Re: [CentOS] Slow performance with NFSv4.1 on CentOS 7.5 ?

2019-05-08 Thread James Pearson
James Pearson wrote: > > We have a number of identical NFS clients mounting a server using > NFSv4.1 - server and clients are all running CentOS 7.5 (kernel > 3.10.0-862.14.4.el7.x86_64) > > However, on some clients, the NFS performance 'degrades' with time ... > > Running a simple test - a

Re: [CentOS] Slow performance with NFSv4.1 on CentOS 7.5 ?

2019-05-07 Thread Jonathan Billings
On Tue, May 07, 2019 at 03:00:54PM +, James Pearson wrote: > We have a number of identical NFS clients mounting a server using > NFSv4.1 - server and clients are all running CentOS 7.5 (kernel > 3.10.0-862.14.4.el7.x86_64) Have you updated to the supported CentOS7 kernel and NFS utilities?

Re: [CentOS] Slow performance with NFSv4.1 on CentOS 7.5 ?

2019-05-07 Thread mark
James Pearson wrote: > We have a number of identical NFS clients mounting a server using > NFSv4.1 - server and clients are all running CentOS 7.5 (kernel > 3.10.0-862.14.4.el7.x86_64) > > However, on some clients, the NFS performance 'degrades' with time ... > > Running a simple test - a python

[CentOS] Slow performance with NFSv4.1 on CentOS 7.5 ?

2019-05-07 Thread James Pearson
We have a number of identical NFS clients mounting a server using NFSv4.1 - server and clients are all running CentOS 7.5 (kernel 3.10.0-862.14.4.el7.x86_64) However, on some clients, the NFS performance 'degrades' with time ... Running a simple test - a python script that just imports a