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We're running an nfs-server on RedHat 6.9 Santiago and recently we've experienced large I/O waits on clients. After some troubleshooting we decided to increase the number of nfs threads.

After following the steps in RHEL's official solutions site(publicly available) we edited /etc/sysconfig/nfs file and changed the line RPCNFSDCOUNT=8 to RPCNFSDCOUNT=16.

Questions is, reading /proc/fs/nfsd/thread and /proc/net/rps/nfsd files shows there are still 8 threads. Also grepping nfsd processes in ps output result in 8 processes.

Finally seeing this document asserting a reload operation, we did

service nfs reload

but nothing changed. Any help would be greatly appreciated.

arkantos
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1 Answers1

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You should restart the service in order to activate the threads;

systemctl restart nfs

for reference; the settings have changed to : /etc/nfs.conf

SvennD
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