Re: Testing in AWS, EBS

Actually, when "EBS-Optimized" is on, then the instance gets dedicated
bandwidth to EBS.

Rayson

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On Wed, May 25, 2016 at 7:56 PM, Yves Dorfsman <yves(at)zioup(dot)com> wrote:

> Indeed, old-style disk EBS vs new-style SSd EBS.
>
> Be aware that EBS traffic is considered as part of the total "network"
> traffic, and each type of instance has different limits on maximum network
> throughput. Those difference are very significant, do tests on the same
> volume
> between two different type of instances, both with enough cpu and memory
> for
> the I/O to be the bottleneck, you will be surprised!
>
>
> On 2016-05-25 17:02, Rayson Ho wrote:
> > There are many factors that can affect EBS performance. For example, the
> type
> > of EBS volume, the instance type, whether EBS-optimized is turned on or
> not, etc.
> >
> > Without the details, then there is no apples to apples comparsion...
> >
> > Rayson
> >
> > ==================================================
> > Open Grid Scheduler - The Official Open Source Grid Engine
> > http://gridscheduler.sourceforge.net/
> > http://gridscheduler.sourceforge.net/GridEngine/GridEngineCloud.html
> >
> >
> >
> > On Wed, May 25, 2016 at 6:34 PM, Tory M Blue <tmblue(at)gmail(dot)com
> > <mailto:tmblue(at)gmail(dot)com>> wrote:
> >>
> >> We are starting some testing in AWS, with EC2, EBS backed setups.
> >>
> >> What I found interesting today, was a single EBS 1TB volume, gave me
> >> something like 108MB/s throughput, however a RAID10 (4 250GB EBS
> >> volumes), gave me something like 31MB/s (test after test after test).
> >>
> >> I'm wondering what you folks are using inside of Amazon (not
> >> interested in RDS at the moment).
> >>
> >> Thanks
> >> Tory
> >>
> >>
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> --
> http://yves.zioup.com
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>
>
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