[Zope] Re: Data loss after packing in 2.6.1?

[Maik Jablonski]

Marius Gedminas wrote:

> I'm not sure if this is a known bug, or if I've stumbled on something
> new.  I've packed a 300 Mb Data.fs recently (leaving 7 days of history).
> Thie resulting data.fs was still biggish, so I packed it again (leaving
> 0 days of history).  Then interesting effects started to happen: a
> Folder just disappeared, then appeared back for a short time, and then
> disappeared again after a couple of seconds.  (Of course, this might
> have been caused by caching effects or a bug in Mozilla.)

That's what happened to me for 2 times... Objects simply disappeared 
after packing (they are appeared for a short time too in one case, 
before they definitivly disappeared).

Do you use ZEO?

> Is this a known issue?  I do not think there were any Undo records
> involved, and I'd expect fstest.py to barf if there were any dangling
> backpointers, so I suspect collector issue 875 does not apply here.
> (I use fstest.py from Zope-2.6.1-src, not a CVS version.)

Please add it to Collector 875. The ZODB-Gurus should decide if it's 
related or not. And I'll hope they'll hurry up...:)

Cheers, Maik