openstack team mailing list archive

[Blake Yeager <blake.yeager@xxxxxxxxx>]

I can't tell you all how excited I am to see temp urls and to hear about
the work that is going on around object versioning.  It is really nice to
see some traction on these much requested features.

Great Job Swift Team!

-Blake

On Wed, Jan 11, 2012 at 10:20 AM, John Dickinson <me@xxxxxx> wrote:

> A quick note to talk about what's been going on with swift since the
> diablo release.
>
> Swift 1.4.2 was the openstack diablo release. Since then, we've had three
> releases. We've done quite a bit of small bug fixes and general polish, and
> I'd like to highlight some of the bigger improvements we've made.
>
> First, we'e included a new tool in swift called swift-recon. This is a
> combination of a scripts and middleware for the object-server, and it
> allows the swift cluster to report on its own health. For example, using
> swift-recon, you can find out the disk utilization in the cluster, socket
> utilization, load stats, async pending stats, replication stats, and
> unmounted disks info. It's a great tool that gives you good insight into
> important metrics in your swift cluster. Florian Hines designed and wrote
> this tool.
>
> On the bug-fixing front, we saw a memory leak error under high load at
> large scale. In short, the Python garbage collector was not always freeing
> memory associated with a socket when a client would disconnect early. This
> would cause the proxy servers to run out of memory after a few days of use.
> Greg Holt spent quite a bit of time finding and fixing this error.
>
> We've also included two new tools for managing production clusters
> (swift-orphans and swift-oldies). These tools are used to find potential
> issues with long-running swift processes. These tools were written by Greg
> Holt.
>
> That brings us to our current release. All of the above-mentioned changes
> are available in swift 1.4.5 (released earlier this week). I'd also like to
> highlight another exciting update that was just merged into swift today and
> will be included in the swift 1.4.6 release: temp urls and form uploading.
>
> With this new feature, you will be able to craft a temporary URL that
> grants a user limited access to your swift account. For example, you can
> craft a URL to your swift cluster that grants PUT access to a particular
> container for the next 30 minutes. You can use this in conjunction with
> HTML forms to directly upload content from a browser into swift (without
> having to proxy the data on your web servers). This feature has been
> requested by many and was written primarily by Greg Holt with input from
> David Goetz and Greg Lange.
>
> We're halfway through the openstack essex release cycle. I'm excited about
> the improvements we've made to swift, and I expect some more exciting
> things to come before our final essex release is made. As always, patches
> welcome!
>
> John Dickinson
> Swift Project Technical Lead
> notmyname on IRC
>
>
>
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