Hi,
I love collectl and use it extensively for many performance related
troubleshooting/monitoring tasks in our server park.
The possibility to run live and/or record to file is a fantastic mix of
features and very useful!
However, one thing that I miss, is NFS Response time data...
We use lots of NFS shares in our environment, and that particular metric is one
of the most useful ones in my opinion.
As a complement to collectl, I use "nfsiostat" when NFS is suspected to be a
performance bottleneck.
It shows me a number of good metrics and has a "RTT" (Round Trip Time) field,
that at least gives me a hint of the NFS server responsetime.
If I read the documentation correct, it gets its data from
/proc/self/mountstats<file:///\\proc\self\mountstats>.
I think it would be very useful if those metrics could be collected in collectl
as well.
The nfsiostat tool itself is a bit crude, at least in our a bit aged RedHat
environment and for us it would be convenient to have these metrics managed
with collectl instead.
Just a suggestion...
Thanks for the collectl tool!!
Kind Regards,
Thomas Oliw
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