Are you running ESS?

> On Jun 3, 2020, at 2:56 PM, Frederick Stock <[email protected]> wrote:
> 
> Does the output of mmdf show that data is evenly distributed across your 
> NSDs?  If not that could be contributing to your problem.  Also, are your 
> NSDs evenly distributed across your NSD servers, and the NSD configured so 
> the first NSD server for each is not the same one?
> 
> Fred
> __________________________________________________
> Fred Stock | IBM Pittsburgh Lab | 720-430-8821
> [email protected]
>  
>  
> ----- Original message -----
> From: "Saula, Oluwasijibomi" <[email protected]>
> Sent by: [email protected]
> To: "[email protected]" <[email protected]>
> Cc:
> Subject: [EXTERNAL] [gpfsug-discuss] Client Latency and High NSD Server Load 
> Average
> Date: Wed, Jun 3, 2020 5:45 PM
>  
>  
> Hello,
>  
> Anyone faced a situation where a majority of NSDs have a high load average 
> and a minority don't?
>  
> Also, is 10x NSD server latency for write operations than for read operations 
> expected in any circumstance? 
>  
> We are seeing client latency between 6 and 9 seconds and are wondering if 
> some GPFS configuration or NSD server condition may be triggering this poor 
> performance.
>  
>  
>  
>  
> Thanks,
>  
> Oluwasijibomi (Siji) Saula
> HPC Systems Administrator  /  Information Technology
>  
> Research 2 Building 220B / Fargo ND 58108-6050
> p: 701.231.7749 / www.ndsu.edu <http://www.ndsu.edu/>
>  
> 
>  
>  
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>  
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