Re: DiskFile not cloned when published

On May 19, 2009, at 4:21 PM, Christophe Combelles wrote:

> Christophe Combelles a écrit :
>> Racinet Georges a écrit :
>>>
>>> On May 12, 2009, at 5:40 PM, Christophe Combelles wrote:
>>>
>>>> Thanks, I've finally backported some fixes for StorageAdapter,  
>>>> which was overwriting too many fields during a document update.
>
> There is a remaining bug with DiskFile, even on CPS 3.4.8.

Thanks for the report, Christophe.

Such detailed issue should belong int the trac : http://svn.nuxeo.org/trac/pub 
  (log in as tracguest/tracguest)
If you eventually have a patch for this, I'd be glad to check it in.

>
>
> Christophe
>
>
>>>
>>> Wow, I remember those fixes, one of the last generic work on CPS  
>>> I've done as a Nuxeo employee,
>>> The primary goal was to avoid useless writes in LDAP backing  
>>> directories, while still being able to update a meta directory  
>>> upstairs (for CPS specific fields that would be stored in another  
>>> - ZODB - backing).
>>>
>>> Did you backport this on your project for directories or  
>>> documents ? I've always wondered what the overall (positive, I  
>>> hope) performance impact in the case of documents would be, and  
>>> never had a chance to measure that.  Any numbers to share ?
>> I've backported it for CPSDocuments, to avoid dataloss with  
>> DiskFile objects overwriting an already  published file. This is  
>> not related to performance so I didn't measure anything.
>>>
>>> Cheers,
>>>
>>> -- 
>>> Georges Racinet, http://www.racinet.fr
>>> Zope/CPS/Plone expertise, assistance & development
>>> GPG: 0x4862FFF7
>>>
>>>
>>>
>>>
>>>
>>>
>>>
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>>>
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--
Georges Racinet, http://www.racinet.fr
Zope/CPS/Plone expertise, assistance & development
GPG: 0x4862FFF7

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