Excellent suggestions! I'll make the change at night when everyone is
likely to be sleeping and shutdown apache during the catch up period
just to be sure.
Thanks for the help.
>-----Original Message-----
>From: Andy Levy [mailto:andy.levy_at_gmail.com]
>Sent: Tuesday, September 23, 2008 11:52 AM
>To: Ryan Schmidt
>Cc: Brandon Humphrey; users_at_subversion.tigris.org
>Subject: Re: Concerns with modifying system time?
>
>On Tue, Sep 23, 2008 at 14:42, Ryan Schmidt
><subversion-2008c_at_ryandesign.com> wrote:
>> On Sep 23, 2008, at 12:39 PM, Brandon Humphrey wrote:
>>
>>> I have recently noticed that the system time on our Subversion
server is
>a
>>> few minutes off (~3 minutes fast). I'd like to fix the time by
syncing
>with
>>> an internal date server, and configuring ntpd to keep it in sync.
>>>
>>
>> Excellent idea!
>>
>>> We are running Subversion 1.4.3 on Slackware 11.
>>>
>>>
>>> Is there anything I need to be concerned with when performing the
>initial
>>> sync?
>>>
>>
>> If anybody commits new revisions in the ~3 minutes after you sync,
the
>> revisions will appear to be chronologically out of order, which will
make
>> the "-r{date}" revision syntax not work. You can either do your time
sync
>at
>> a time when nobody will be committing, or tell people not to commit
until
>> the clock catches up to where it was, or retroactively fix the
revisions'
>> dates so they're still chronological (svn propedit --revprop -r 123
>> svn:date). Or, if you never use the "-r{date}" syntax then you don't
need
>to
>> worry about it at all.
>
>Or shut down your SVN server process (Apache or svnserve) for about 5
>minutes while you do the sync and then wait for the world to catch up
>to the time the server used to think it was.
>
>I tend to find that when I tell people "don't do X during this time
>period" they all do it before the time is up because they want to test
>the system. Shut down the server and that's impossible.
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Received on 2008-09-23 21:46:53 CEST