[silva-dev] Upgrade (to 0.9.3) hangs

[Reinhard Hess]

Benno Luthiger wrote:

> Dear Clemens and Martijn
> 
> After increasing the cache size from 400 to 20000 (Target number of objects
> in memory per cache), the whole upgrade went through smoothly.
> 
> 
>>Benno, how big is this database?
> 
> Here are the numbers:
>  Database Size: 21.4M
>  Total number of objects in the database: 9972
> 
> 
>>Are you using the upgrade script that zooms from 091 -> 093
>>or doing it manually?
> 
> I use the upgrade scripts, i.e. I start the upgrade from command line.
> 
> 
>>Did you wait a long time for the commit to happen?
> 
> Yes.
> 
> 
>>You may want to start
>>uncommenting print statements in the upgradeTree method in
>>upgrade.py to
>>see where exactly the hang occurs.
> 
> Good idea for then next time ;-)
> 
> Thanks,
> Benno
> 

Hi Martijn, hi Clemens

The default size for number of objects per cache in a fresh Zope instance is set to 400. Because of 
that, maybe it is a good idea to set the max number of subtransactions to something like 350 in the 
Silva/upgrade.py for future releases of Silva ?

Thanks for the help !
Reinhard