[ZODB-Dev] ZODB load/save tracing

Adam Groszer agroszer at gmail.com
Mon Mar 5 13:03:58 EST 2007

Hello Christian,

It's mostly done. Available at z3c.zodbtracing as inbetween I figured
out that tracing the connection should be also possible.

Saturday, February 24, 2007, 8:00:40 PM, you wrote:

> Hi,

> I'm pretty sure there are no hooks around that do what you need.

> The methods you want to tap into would be

> store()
> load*()

> on the storages.

> You might want to look into how the BlobStorage was created to make
> yourself a "tracing storage" that can be wrapped around an existing
> storage to allow usage with multiple other storages.

> This could be a useful extensions to ZODB. If you go this way,  I'd be
> happy to help out with some of the packaging mechanics and getting the
> ZConfig parts fletched out.

> Christian

> Am Samstag, den 24.02.2007, 14:33 +0100 schrieb Adam Groszer:
>> Hello,
>> I'm using ZODB in a GUI application, so outside of Zope.
>> I'm having performance problems. I'm already on the way of figuring
>> out what causes a lot of object load. getTransferCounts helped in
>> that. But now I would need something more detailed.
>> Are there any hooks or something to get detailed object load
>> statistics?
>> Worst case I could hook into some methods of ZODB temporarly to
>> collect the data, but into which methods?
>> Any help or pointers are welcome.

Best regards,
 Adam                            mailto:agroszer at gmail.com

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