[OpenAFS] fine-grained incrementals?

[Jeffrey B. Woodward]

Have you considered using my suggestion (private email reply) of trying 
Subversion (SVN) to manage the binary diffs and to attain a "proper" 
version management system at the same time?

Just curious...

-Jeff


John S. Bucy wrote:

>Here's some preliminary data.  I'm running the following against my 
>mail volume hourly:
>
>VOL='mail.bucy'
>mv $VOL $VOL.old && \
>vos backup $VOL && \
>vos dump $VOL.backup -file $VOL && \
>rdiff delta $VOL.sig $VOL $VOL-delta-`date +%Y%m%d.%H%M` &&
>rdiff sig $VOL $VOL.sig && \
>rm $VOL.old
>
>Here's what's coming out:
>
> 36M mail.bucy
>960K mail.bucy-delta-20050201
> 20K mail.bucy-delta-20050201.1558
>108K mail.bucy-delta-20050201.1711
>100K mail.bucy-delta-20050201.1818
> 96K mail.bucy-delta-20050201.1918
>140K mail.bucy-delta-20050201.2018
> 56K mail.bucy-delta-20050201.2118
> 72K mail.bucy-delta-20050201.2218
> 96K mail.bucy-delta-20050201.2318
> 68K mail.bucy-delta-20050202.0018
> 88K mail.bucy-delta-20050202.0118
> 80K mail.bucy-delta-20050202.0218
> 36K mail.bucy-delta-20050202.0318
> 92K mail.bucy-delta-20050202.0418
> 88K mail.bucy-delta-20050202.0518
> 88K mail.bucy-delta-20050202.0618
>124K mail.bucy-delta-20050202.0718
> 68K mail.bucy-delta-20050202.0818
>100K mail.bucy-delta-20050202.0918
>132K mail.bucy-delta-20050202.1018
>120K mail.bucy-delta-20050202.1118
>208K mail.bucy-delta-20050202.1218
> 68K mail.bucy-delta-20050202.1318
> 72K mail.bucy-delta-20050202.1418
>212K mail.bucy.sig
>
>
>This is all maildir so the traffic is going to be mostly creates,
>renames and deletes -- few appends/updates.  Nevertheless, the deltas
>are pretty small...
>
>
>
>
>john
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