On Apr 18, 2013, at 2:08 PM, Josh Durgin <[email protected]> wrote:

> I talked to some folks interested in doing a more limited form of this
> yesterday. They started a blueprint [1]. One of their ideas was to have
> erasure coding done by a separate process (or thread perhaps). It would
> use erasure coding on an object and then use librados to store the
> rasure-encoded pieces in a separate pool, and finally leave a marker in
> place of the original object in the first pool.

This sounds at a high-level similar to work out of Microsoft:

  https://www.usenix.org/system/files/conference/atc12/atc12-final181_0.pdf

The basic idea is to replicate first, then erasure code in the background.

- Noah
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