[Openstack] Help - swift with low IOPS

Jonathan Lu jojokururu at gmail.com
Tue Sep 3 05:32:09 UTC 2013


Hi,
     What is the average size of the objects? And your network 
condition? Maybe the bottleneck of performance is not Swift, but the 
network or other things.

Best Regards
Jonathan Lu

On 2013/9/2 19:51, pangj wrote:
> Hi,
>
> We have benched the swift, the cluster is with one proxy server, one 
> combined account/container server, five object servers. All are 
> separated physical servers.
>
> We benched from 12 clients (each with 200 threads), got the results as 
> below:
>
> | node   |   PUT |   GET | DELETE |
>    |--------+-------+-------+--------|
>    | sb2 A  |  35.6 |  57.1 |     44 |
>    | sb2 B  |  35.6 |  56.1 |   43.4 |
>    | sb3 A  |  35.4 |  58.1 |   43.4 |
>    | sb3 B  |  35.6 |  56.1 |   43.4 |
>    | ad61 A |  35.5 |  57.2 |   43.8 |
>    | ad61 B |  35.5 |  55.2 |   43.5 |
>    | sb64 A |  35.4 |  53.4 |   43.7 |
>    | sb64 B |  35.5 |  54.9 |   43.5 |
>    | sb65 A |  35.7 |  53.3 |   43.6 |
>    | sb65 B |  35.6 |  52.5 |   44.1 |
>    | sb27 A |  35.4 |  49.4 |   44.1 |
>    | sb27 B |  35.4 |  51.1 |   43.9 |
>    |--------+-------+-------+--------|
>    | total  | 426.2 | 654.4 |  524.4 |
>
>
> The total IOPS for PUT is 426, means 426 PUT requests per second.
> But our application design requires 3000 PUT requests per second.
> So how to improve swift's performance to match the requirement?
>
> Thanks.
>
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