Re: Checkpointing v1 in diagrams

From: Julian Foad <julianfoad_at_apache.org>
Date: Fri, 22 Dec 2017 13:48:21 +0000

And here are the said diagrams...

Julian Foad wrote:
> Here are a couple of diagrams to show how Checkpointing v1 behaves so far.
>
> 1. Shelve, Unshelve
>
> Shows a difference between how Shelving-v1 worked and how it works in
> the new sheving-and-checkpointing design. Note that Unshelve no longer
> deletes the shelf. Shelving again would create a second version "foo 2".
>
> 2. Checkpoint, Revert, Restore
>
> Shows how checkpointing and restoring works. Note that a 'revert' is
> needed before restoring.
>
> (SVG format, drawn in Inkscape.)
>
> - Julian

image/svg+xml attachment: Checkpoint-Revert-Restore.svg

image/svg+xml attachment: Shelve-Unshelve.svg

Received on 2017-12-22 14:48:25 CET

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