[ZODB-Dev] How do I find out the size of a subtree of the object graph?

[Jens Vagelpohl]

On Sep 14, 2009, at 13:27 , Chris Withers wrote:

> Jens Vagelpohl wrote:
>>> Sadly, when you're trying to figure out which folder is using all  
>>> the
>>> space on a disk that's running out of space, that's not practical...
>> How about simply writing a script that crawls the ZODB and gives  
>> you paths and sizes?
>
> Indeed, and what's the magic incantation to get the size of the  
> object as it is on disk?

There is none that I know. I would simply look at the data items I  
know from the object in the ZODB. Like, I know how OFS.Image and  
OFS.File save their data and can determine the size that way. You  
would have to have knowledge about each type of object encountered.

jens


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