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Re: SVN database is a lot bigger than PVCS database

From: Hyrum K. Wright <hyrum_at_hyrumwright.org>
Date: Thu, 23 Jul 2009 14:57:51 -0700

On Jul 23, 2009, at 2:55 PM, Talden wrote:

> On Fri, Jul 24, 2009 at 9:36 AM, Hyrum K.
> Wright<hyrum_wright_at_mail.utexas.edu> wrote:
>>
>> On Jul 23, 2009, at 2:28 PM, Talden wrote:
>>
>>> On Fri, Jul 24, 2009 at 3:54 AM, Erik Huelsmann<ehuels_at_gmail.com>
>>> wrote:
>>>>
>>>> On Thu, Jul 23, 2009 at 5:37 PM, Seak, T. F.<lapsap7+svn_at_gmail.com>
>>>> wrote:
>>>>>
>>>>> On Wed, Jul 22, 2009 at 20:50, Bob Archer <Bob.Archer_at_amsi.com>
>>>>> wrote:
>>>>>>
>>>>>> In Tortoise open your repo browser. Find the tag in question.
>>>>>> Right
>>>>>> click
>>>>>> on the tag folder and select "Show Log". At the bottom of the log
>>>>>> dialog
>>>>>> click the "Stop on Copy" check box. Look in the Action list. If
>>>>>> you see
>>>>>> one
>>>>>> log item and action there "Added" with a single Path/Copy From
>>>>>> Path
>>>>>> then
>>>>>> this was an svn copy.
>>>>>>
>>>>>> If you see many log items there with tons of files added then it
>>>>>> probably
>>>>>> imported each file into the tag separately.
>>>>>
>>>>>
>>>>> Please take a look at the attached image (if this mailing-list
>>>>> doesn't
>>>>> filter it). Indeed, for a certain revision (85361) whose date
>>>>> corresponds
>>>>> to PVCS days, there are a lot of "added". I suppose this is
>>>>> what you
>>>>> meant
>>>>> by "imported each file into the tag separately".
>>>>
>>>> Actually, that's not true: the revision you're showing contains
>>>> "Added" actions, but the column "Copy from" is also filled, that
>>>> tells
>>>> me this revision was created efficiently. It would be interesting
>>>> to
>>>
>>> There's something mental about that 'tag'. It's the same file at
>>> the
>>> same revision copied many many times, each time to a different tag.
>>> This looks like it builds a tag from copies for each member of the
>>> tag.
>>>
>>> Those copies are 'cheap' but enough of them adds up. For tagging to
>>> really be cheap you would need to see something like "cp .../foo/
>>> trunk
>>> .../foo/tags/X" - tagging the entire trunk at a time, not a tag per
>>> file.
>>>
>>> This has issues, for one it's hard to track that tag back through
>>> history to its source as the log of tag root won't be helpful.
>>>
>>> It might be worth looking on disk at the size of that revision
>>> (assuming it's not a packed svn 1.6 repo) just to verify that it is
>>
>> If it is a packed version of a 1.6 repos, just look at the
>> appropriate lines
>> in the manifest file.
>
> Ahh good to know. We're moving to 1.6.x shortly.
>
> NB I noticed a 1.6.4 mentioned. Where can I go to see a list of the
> candidate fixes for 1.6.4?

https://svn.collab.net/repos/svn/branches/1.6.x/STATUS shows the
currently-nominated-but-not-yet-merged items. Running 'svn log' on
the 1.6.x branch with appropriate revision ranges will show the list
of stuff already merged to the branch.

-Hyrum

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Received on 2009-07-23 23:58:46 CEST

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