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From: Thomas O. <tho...@er...> - 2016-03-14 12:13:09
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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 |