[ZODB-Dev] Blob directory structure scalability limits

[Christian Theune]

Hi,

On Thu, Jun 19, 2008 at 09:29:13AM -0400, Jim Fulton wrote:
>> We propose to introduce a new mode for the blob storage which breaks  
>> the
>> directory structure into one level per byte of the oid. This would  
>> lead to
>> directories 0x00-0xFF nested in 8 levels.
>
> +1
>
> ...
>
>> We propose to keep both implementations around and allow to select  
>> which one
>> to use. We would extend the FileSystemHelper to abstract the two  
>> strategies.
>
> -1 to making this selectable.
>
>> We would also provide a migration tool that can convert the old format 
>> to the
>> new format.
>
> Maybe we can support, but deprecate the old layout and provide a  
> conversion scriptt.

Good for me as well.

-- 
Christian Theune · ct at gocept.com
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