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

[Raj]

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 <bevans at cray.com> wrote:

> 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 <chjohnst at gmail.com>
> Date: Tuesday, January 2, 2018 at 10:21 AM
> To: Ben Evans <bevans at cray.com>
> Cc: "Black.S" <Black.S52 at yandex.ru>, "lustre-discuss at lists.lustre.org" <
> lustre-discuss at lists.lustre.org>
> Subject: 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 <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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>> lustre-discuss at lists.lustre.org
>> http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
>>
>>
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