1. Messages
  2. Is Garden limiting disk IOs ?

Re: Is Garden limiting disk IOs ?

Will Pragnell <wpragnell@...>
 

The honest answer there is that I'm not sure. It's conceivable that
limiting CPU for a container could prevent it from pummeling disk enough to
DOS a garden host, but we've not tested that. I'll talk to the team about
investigating this DOS vector.

On 30 July 2015 at 21:03, Guillaume Berche <bercheg(a)gmail.com> wrote:

Thanks Will.

Would other existing limits (e.g. nice, or fair cpu share) prevent one app
from using up all of the host disk io, or could such app impact its
neighbor containers (and other DEA/Cell process), and possibly up to denial
of service (e.g. a compromised app that was to impact the cf platform that
host them) ?

Guillaume.

On Thu, Jul 30, 2015 at 6:34 PM, Will Pragnell <wpragnell(a)pivotal.io>
wrote:

Hi Guillaume,

No, Garden-Linux does not currently do any disk IO limiting.

Thanks,
Will

On 30 July 2015 at 17:24, Guillaume Berche <bercheg(a)gmail.com> wrote:

Out of curiosity, I'd like to understand whether Garden is limiting disk
IOs, similar to [2].

I do see disk space, inodes..., and network IOs limits described into
[1] but did not find block IOs.

Thanks in advance,

Guillaume.

[1] http://godoc.org/github.com/cloudfoundry-incubator/garden
[2]
https://github.com/appc/spec/blob/master/spec/ace.md#resourceblock-bandwidth


_______________________________________________
cf-dev mailing list
cf-dev(a)lists.cloudfoundry.org
https://lists.cloudfoundry.org/mailman/listinfo/cf-dev

_______________________________________________
cf-dev mailing list
cf-dev(a)lists.cloudfoundry.org
https://lists.cloudfoundry.org/mailman/listinfo/cf-dev

_______________________________________________
cf-dev mailing list
cf-dev(a)lists.cloudfoundry.org
https://lists.cloudfoundry.org/mailman/listinfo/cf-dev

?
attachment.html

Join cf-dev@lists.cloudfoundry.org to automatically receive all group messages.