[Zope-dev] Re: ThreadSafeCounter

[Chris McDonough]

Would anyone volunteer to write a mounting HOWTO?  This is a FAQ.


----- Original Message -----
From: "Steve Alexander" <steve@cat-box.net>
To: "Andy McKay" <andym@ActiveState.com>
Cc: <zope-dev@zope.org>
Sent: Tuesday, February 13, 2001 1:30 PM
Subject: Re: [Zope-dev] Re: ThreadSafeCounter


> Andy McKay wrote:
>
> >> A simpler solution is to use a mounted storage that doesn't do undo,
and
> >> stores changes in place.
> >
> > You are the second person to answer with that. Would anyone care to give
a
> > quick how-to on how to mount a non-undoing storage, such as FileStorage
>
> FileStorage is what the standard Data.fs is, and it supports undo.
>
> > since this doesnt seem immediately obvious to me.
>
> Take a look at ExternalMount, and at what's used in the
CoreSessionTracking product.
>
> I can't find a URL for ExternalMount at the moment. I'm using it though,
so it *definitely* exists!
>
>
> Also, see lib/python/ZODB/dbmStorage.py
>
> """Very Simple dbm-based ZODB storage
>
> This storage provides for use of dbm files as storages that
> don't support versions or Undo.  This may be useful when implementing
> objects like hit counters that don't need or want to participate
> in undo or versions.
> """
>
> --
> Steve Alexander
> Software Engineer
> Cat-Box limited
> http://www.cat-box.net
>
>
>
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