Re: How many concurrent users can be supported by a single Rados gateway

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Dear Istvan,

Thanks a lot for sharing.  I have a question: How do you run 15 RGW on 3 nodes? using VM or container, or on physical machine. I am not sure whether it is good (if possible) to run multiple RGW directly on physical machine...

best regards,

Samuel





huxiaoyu@xxxxxxxxxxxx
 
From: Szabo, Istvan (Agoda)
Date: 2021-09-13 04:45
To: huxiaoyu@xxxxxxxxxxxx; Eugen Block
CC: ceph-users
Subject: RE:  Re: How many concurrent users can be supported by a single Rados gateway
Good topic, I'd be interested also. One of the redhat document says 1GW / 50 OSD, but I think it is not a relevant formula. I had couple of time when the users doing something stupid and totally ddos down the hole cluster. What I've done added additional 4 rgw in each of the mon/mgr nodes where the gateway is running to sustain the super high load, so currently I'm using like 15 RGW behind a haproxy loadbalancer on 3 nodes.
 
Istvan Szabo
Senior Infrastructure Engineer
---------------------------------------------------
Agoda Services Co., Ltd.
e: istvan.szabo@xxxxxxxxx
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-----Original Message-----
From: huxiaoyu@xxxxxxxxxxxx <huxiaoyu@xxxxxxxxxxxx> 
Sent: Saturday, September 11, 2021 1:51 PM
To: Eugen Block <eblock@xxxxxx>
Cc: ceph-users <ceph-users@xxxxxxx>
Subject:  Re: How many concurrent users can be supported by a single Rados gateway
 
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________________________________
 
Thanks for the suggestions.
 
My viewpoints may be wrong, but i think stability is utmost for us, and an older version such as Luminous may be much well battle-field tested that recent ones. Unless there is some instatbilty or bug reports, I would still trust older versions. Just my own preference on which version takes my turst
 
thanks a lot,
 
Samuel
 
 
 
 
huxiaoyu@xxxxxxxxxxxx
 
From: Eugen Block
Date: 2021-09-10 17:21
To: huxiaoyu
CC: ceph-users
Subject: Re:  How many concurrent users can be supported by a single Rados gateway The first suggestion is to not use Luminous since it’s already EOL. We noticed major improvements in performance when upgrading from L to Nautilus, and N will also be EOL soon. Since there are some reports about performance degradation when upgrading to Pacific I would recommend to use Octopus.
 
 
Zitat von huxiaoyu@xxxxxxxxxxxx:
 
> Dear Cephers,
>
> I am planning a Ceph Cluster (Lumninous 12.2.13) for hosting on-line 
> courses for one university.  The data would mostly be video media and 
> thus 4+2 EC coded object store together with CivetWeb RADOS gateway 
> will be utilized.
>
> We plan to use 4 physical machines as Rados gateway solely, each with 
> 2x Intel 6226R CPU and 256 GB memory, for serving 8000 students 
> concurrently, of which each may incur 2x 2Mb/s video streams.
>
> Are these 4-machine Rados gateway a reasonable configuration for
> 8000 users, or an overkill, or insufficient?
>
> Suggestions and comments are highly appreciated,
>
> best regards,
>
> Samuel
>
>
>
> huxiaoyu@xxxxxxxxxxxx
> _______________________________________________
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