Re: [lustre-discuss] Lustre Client in a container

On Mon, Jan 1, 2018 at 12:38 AM, Patrick Farrell wrote: > > > Keeping in mind that the choice of NFS means that you don’t have the POSIX > guarantees provided by Lustre, so simultaneous access to the same files is > dicey unless it’s only reading. > That just means that during the

Re: [lustre-discuss] how to get statistics from lustre clients ?

To add to the list, I like ‘xltop’ which works like a linux ‘top’ command and integrates with your scheduler. On Tue, Jan 2, 2018 at 9:25 AM Ben Evans wrote: > The OSTs and MDTs have client-specific information in their proc > hierarchies, so there's no need for client-side

Re: [lustre-discuss] how to get statistics from lustre clients ?

The OSTs and MDTs have client-specific information in their proc hierarchies, so there's no need for client-side monitoring if that's all you're looking for. -Ben Evans From: Christopher Johnston > Date: Tuesday, January 2, 2018 at 10:21 AM To: Ben

Re: [lustre-discuss] how to get statistics from lustre clients ?

I use the telgraf plugin for MDS/OSS/OST stats. I know its not the client side that you were after but I find the metrics to be very useful and display nicely in grafana. https://github.com/influxdata/telegraf/tree/master/plugins/inputs/lustre2 On Tue, Jan 2, 2018 at 8:45 AM, Ben Evans

Re: [lustre-discuss] how to get statistics from lustre clients ?

You can get breakdowns of client->OST reads and writes, and combine them into OSS-level info. There is currently no timestamp on it, all the stats files are cumulative since you last cleared. You can get around this by reading the file regularly and noting the time, and doing the diffs since