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Re: Deltification (WAS: Re: Subversion 0.33.0 released).

From: Ryan Hunt <rhunt_at_hp.com>
Date: 2003-11-17 23:33:44 CET

On Monday, November 17, 2003, at 02:01 PM, kfogel@collab.net wrote:

> Ryan Hunt <rhunt@hp.com> writes:
>> The subsequent checkin took 160 min, and after removing the unused log
>> files the repository had grown by 1GB to 6GB indicating to me that the
>> entire 1GB file had been added to the repository rather than the
>> Delta.
>>
>> This is significant as I was using 0.29 not 0.33.
>>
>> So the question is, on large binaries is deltification being
>> implemented correctly at all?
>
> That depends on what you mean by "correctly". The entire 1GB will be
> (temporarily) in the repository, so BDB's on-disk storage will grow by
> that much. But that space will get reused by future commits, so over
> time this works out to a decent behavior. 0.33.* will behave the same
> as 0.29 in this respect (if you turn on deltification at all).
>
So should I expect that if I made a further change of just a few bytes
and performed a check in that I would see the repository only grow by
that much??

-Ryan

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Received on Mon Nov 17 23:28:46 2003

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