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

[Christopher Johnston]

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 <bevans at cray.com> wrote:

> 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 the last read.
>
> There are a few programs out there that do this sort of thing for you
> already, collectl and collectd come to mind.
>
> -Ben Evans
>
> From: lustre-discuss <lustre-discuss-bounces at lists.lustre.org> on behalf
> of "Black.S" <Black.S52 at yandex.ru>
> Date: Saturday, December 30, 2017 at 9:18 AM
> To: "lustre-discuss at lists.lustre.org" <lustre-discuss at lists.lustre.org>
> Subject: [lustre-discuss] how to get statistics from lustre clients ?
>
> May be anybody know it or get the target where I can search
>
> I want to get from each lustre client:
>
>    -
>
>    how much lustre client read/write ?
>    -
>
>    which size blocks ?
>    -
>
>    with which OSS communicate ?
>    -
>
>    timestemp of operation ( I mean time then start read/write from lustre
>    client) ?
>
> Is I can get that from (or by) linux node with lustre client?
>
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>
>
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