Re: Zeopack fails raising KeyError

thank you, very much, Jim! database is now 7GB, down from 9GB!

On 03/07/2017 01:21 PM, Jim Fulton wrote:
> OK, this confirms that an object has gone missing.  This shouldn't
> happen. :)

HV> this is probably my fault: I was running this site with 
`shared-blobs = on` by mistake, some weird things happened and I 
probably made them worst trying to "fix" them.

> Is this a single-database configuration? Or multi-database?

HV> single-database configuration using ZRS with vanilla configuration:

<filestorage 1>
   path /opt/plone/example.com/var/filestorage/Data.fs
   blob-dir /opt/plone/example.com/var/blobstorage
</filestorage>

> In the short term, I suggest disabling garbage collection by adding:
>
>   pack-gc false
>
> in your <filestorage> element on the server.

HV> is there any way I can configure this via buildout?

> Gaaaaa, I just realized that it should be straightforward to create such
> a tool, if we had OIDS. It's a shame that the error above doesn't give a
> POSKeyError with a full OID.  I wonder if newer versions of ZODB give
> POSKeyErrors in this situation.

HV> that would be awesome! how can we help?

> I suggest trying to use zc.zodbdgc to perform the garbage collection.
> (Maybe against a copy of the database, if you're feeling paranoid. :))
>  That may give a more helpful error.

HV> I will try to use it on a staging server as soon as I free it from 
other tasks; I'll let you know.

package don't have a buildout example but I'll take a look at the code 
to figure out how it works:

https://github.com/zopefoundation/zc.zodbdgc/tree/master/src/zc/zodbdgc

> I also suggest using zc.FileStorage to do the non-gc pack, at it is much
> faster.

HV> I was checking but the package has absolutely no documentation and I 
was not able to find the source:

https://pypi.python.org/pypi/zc.FileStorage

> Sometime, I need to find the time to roll the functionality from those
> two packages back into FileStorage (unless I replace it with FileStorage2).

HV> is that because you lack the time or resources?

once again, how can we help?

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