On Wed, Feb 29, 2012 at 10:15 AM, Daniel Shahaf <danie...@elego.de> wrote:

> Justin, Jason,
>
> Some things you could do are:
>
> - What RA method do you use?  svn:// or http://?
>
>
http://


> - Are the failing revisions always small (eg: just a URL-URL copy),
>  or always large (eg: results of a merge)?
>
>
As mentioned before, so far it appears to be 1) create a tag by copying an
entire working copy of a branch to a URL, and 2) commit merge results for
an entire branch.


> - Do you have any caching enabled at the OS filesystem layer or
>  below it?
>
>
No.


> - Did you configure Subversion to use memcached?
>
>
No.


> - Did you configure a maximum cache size for Subversion?
>
>
No.


> - Could you try setting the maximum cache size to zero?  (svnserve:
>  --memory-cache-size=0; mod_dav_svn: SVNInMemoryCacheSize 0)
>
>
Apache is our server, so this is not applicable.


>  This doesn't entirely disable caching, actually -- it just disables
>  the new 'membuffer' cache backend, reverting to another older
>  backend called 'inprocess'.
>
> @Justin -- thanks for the information.  I've asked Jason upthread some
> questions (eg, whether there patterns of commits concurrent to the
> failing ones), which likely apply to you too.
>
> Daniel
>
> Justin Johnson wrote on Wed, Feb 29, 2012 at 09:22:40 -0600:
> > On Tue, Feb 28, 2012 at 3:07 AM, Daniel Shahaf <danie...@elego.de>
> wrote:
> > > Jason Wong wrote on Mon, Feb 27, 2012 at 07:36:39 -0800:
> > > > Replies above. Sorry about the delay in replying. I have been really
> > > > busy of late. I will try and get the results this week, if not, it
> > > > will most likely be next week.
> > > >
> > >
> > > No problem.
> > >
> >
> > I just discovered we are having this problem as well.  Since upgrading
> from
> > 1.6.17 to 1.7.2 on the evening of 2/21 we have seen this error on 10
> > different machines.  9 of those are build machines, so they would have
> been
> > creating tags.  I have a suspicion that all of the builds were trying to
> > create tags by copying from a working copy as opposed to a URL to URL
> copy,
> > but I need to confirm.  I know at least some of them were.  The other 1
> > machine received the error when trying to commit merge results.  The
> > details of the merge are not available to me since the user reverted the
> > local merge results.
> >
> > Let me know if I can provide any more info to help solve this problem.
> >
> > Justin
>

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