"fsdump/FileStorage" patch adding size information for
transactions/object records (was: Re: [ZODB-Dev] RE: [Zope]
Analyzing ZODB objects)
dieter at handshake.de
Wed Oct 29 14:55:18 EST 2003
Christian Robottom Reis wrote at 2003-10-28 23:44 -0200:
> On Tue, Oct 28, 2003 at 07:44:05PM +0100, Dieter Maurer wrote:
> > > > I extended the "fsdump" utility to include the (pickle) sizes
> > > > of the object records contained in a transaction and to
> > > > restrict the range of dumped transactions.
> > > >
> > > > This has been enough to analyse the problem: ZCatalog's
> > > > Metadata records caused a transaction size to grow from an
> > > > expected few hundred bytes to about 500 kB.
> > But, I can make the extensions available.
> I'd like to see your fsdump version ...
The patch also enhances "FileStorage" and lets its "UndoSearch._readnext"
provide information about the transaction size. This is very valuable
when you want to spot strange transaction sizes via Zope's "Undo" tab
(much more convenient than "fsdump").
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