On 05/06/2010 10:26 PM, Andreas Jung wrote:
> So: assuming that a persistent object is managed as a blob...what will
> happen on the filesystem level with the blob file upon a change to this
> object? Will the ZODB create a new blob file with the changed content or
> will it override/update the existing one?

The standard blob storage implementation creates a new file for each 
revision.  Old revisions are removed by packing.  It's quite safe to use 
rsync to back up a blob directory.

For more information about ZODB, see the ZODB Wiki:

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