Heads up, BDB coming, needed to support fast configuration

[Chris Hegarty]

Here is there webrev to support building of the bdb repository.
   http://cr.openjdk.java.net/~chegar/jigsaw/bdb_webrev.00/webrev/

-Chris.

On 08/05/2012 17:41, Chris Hegarty wrote:
> Hi,
>
> A while back it was pointed out that the configuration data for modules
> with entry points is stored in a highly inefficient manner [1]. It was
> pointed out at the time that the plan has always been to replace this
> with a "fast configuration", based on a persistent b-tree implementation.
>
> The b-tree implementation that we plan to use is a small footprint
> implementation of Berkeley DB [2], called Restricted Data Store (RDS).
> It is a minimal build of Berkeley DB that supports only b-tree access,
> and provides a simple Java interface to support the functionality
> required by the runtime (Jigsaw will also use the native interface). I'm
> currently preparing to push the BDB code to Jigsaw. It will live in its
> own repository, jigsaw/jigsaw/bdb. This mail is just a heads-up that
> this will be coming soon. Note that as BDB is provided in some
> distributions, Linux for example, the changes that are coming can use
> the installed BDB as an alternative.
>
> -Chris.
>
> [1]
> http://mail.openjdk.java.net/pipermail/jigsaw-dev/2012-March/002292.html
> [2]
> http://www.oracle.com/technetwork/products/berkeleydb/overview/index.html
>