public inbox for [email protected]
help / color / mirror / Atom feedFrom: Rayson Ho <[email protected]>
To: Yves Dorfsman <[email protected]>
Cc: [email protected]
Subject: Re: Testing in AWS, EBS
Date: Wed, 25 May 2016 21:08:20 -0400
Message-ID: <CAHwLALMUuzVaDc2ZyUNKBv35M0AFVF8_6nuGHXtih5Wjsr=dLQ@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <CAEaSS0ZuL=aXdy+XCu28H=O=-ZnB4zbLNTS=GqPkmvE1XYap_w@mail.gmail.com>
<CAHwLALNXWwDX4TNCExk-TDXaWzKE-tgCEGgZiqQjdtShPZvV8Q@mail.gmail.com>
<[email protected]>
List-Unsubscribe: <mailto:[email protected]?body=unsub%20pgsql-performance>
Actually, when "EBS-Optimized" is on, then the instance gets dedicated
bandwidth to EBS.
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 7:56 PM, Yves Dorfsman <[email protected]> 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 <[email protected]
> > <mailto:[email protected]>> 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
> >>
> >>
> >> --
> >> Sent via pgsql-performance mailing list (
> [email protected]
> > <mailto:[email protected]>)
> >> To make changes to your subscription:
> >> http://www.postgresql.org/mailpref/pgsql-performance
>
>
> --
> http://yves.zioup.com
> gpg: 4096R/32B0F416
>
>
>
> --
> Sent via pgsql-performance mailing list ([email protected])
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-performance
>
reply
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: [email protected]
Cc: [email protected], [email protected]
Subject: Re: Testing in AWS, EBS
In-Reply-To: <CAHwLALMUuzVaDc2ZyUNKBv35M0AFVF8_6nuGHXtih5Wjsr=dLQ@mail.gmail.com>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox