How to Buffer Serialized Objects to Disk

MRAB python at mrabarnett.plus.com
Wed Jan 12 16:32:49 EST 2011


On 12/01/2011 21:05, Scott McCarty wrote:
> Sorry to ask this question. I have search the list archives and googled,
> but I don't even know what words to find what I am looking for, I am
> just looking for a little kick in the right direction.
>
> I have a Python based log analysis program called petit
> (http://crunchtools.com/petit). I am trying to modify it to manage the
> main object types to and from disk.
>
> Essentially, I have one object which is a list of a bunch of "Entry"
> objects. The Entry objects have date, time, date, etc fields which I use
> for analysis techniques. At the very beginning I build up the list of
> objects then would like to start pickling it while building to save
> memory. I want to be able to process more entries than I have memory.
> With a strait list it looks like I could build from xreadlines(), but
> once you turn it into a more complex object, I don't quick know where to go.
>
> I understand how to pickle the entire data structure, but I need
> something that will manage the memory/disk allocation?  Any thoughts?
>
To me it sounds like you need to use a database.



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