[ubuntu-cloud] S3 Beta mirrors (hashsum/size mismatches)

Scott Moser smoser at ubuntu.com
Fri Mar 9 22:24:25 UTC 2012

On Wed, 7 Mar 2012, Eric Hammond wrote:

> On 03/07/2012 04:16 PM, Ben Howard wrote:
> > Yes, we are working on a cloud-init patch to allow cloud-init to manage
> > the setting. The default will be to disable pipelining, but will allow
> > users who wish to configure the manually to do so. We expect to SRU this
> Whenever you make something configurable through cloud-init special
> configuration options, please also make it possible (and documented) through
> standard command line tools for people who are using user-data with other
> formats.

$ man apt.conf
$ echo 'Acquire::http::Pipeline-Depth "0";' | sudo tee

We made this as an option to configure easily in cloud-init because we
were changing a default that exists in any other un-modified version of

Rather than just making this configuration change in our build process, we
put it into cloud-init, so anyone making cloud-images themselves would get
this change for free (as long as they have cloud-init).

Because cloud-init had made the change, we made it as easy as possible to
disable this change if you wanted the benefit of pipelining.

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