May 2000 - Zope - Zope lists

SQLSession vs FSSession for ultra-high scalability and speed.
by chas 23 May '00

23 May '00

Hi Folks, Sorry if this has been asked before, but can anybody advise on FSSession vs SQLSession for: a) Speed. b) Scalability. Planned architecture employs multiple Zope/Apache frontline servers: +-----+ | Z/A |---+ +-----+ | | +-----+ | | Z/A |---+ +----- DB1 +-----+ | | |------| +-----+ | | | Z/A |---+ +----- DB2 (optional) +-----+ | | | Etc, etc. Z/A = 'front line' webservers running Zope/Apache. Contains application/business logic. We are NOT using the ZODB for data storage. DB1 = Data storage. eg. Oracle/Postgres DB2 = potentially just for managing the sessions, if we use SQLSession. Would MySQL be best ? Just how scalable can it really get ? We need it to at least be able to scale to 12 million sessions per day (and substant- -ially more writes to DB1 per day), even if we will be starting out much more modestly than that. Realistically, should I be looking at something like ATG Dynamo instead ? Thank you very much, chas

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How to change object with variable ?
by 邱聰文 23 May '00

23 May '00

My script : dtml-call "A.B.C.manage_addProperty(D,E,F)" How to change "C" with another variable "V" which is an object like imae or file ? _________________________________________________________ Do You Yahoo!? 登記免費的 @yahoo.com.tw 電子郵件 @ http://mail.yahoo.com.tw Get your free @yahoo.com.tw address at http://mail.yahoo.com.tw

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Re: [Zope] uploading a batch of files
by Dieter Maurer 23 May '00

23 May '00

Jonathan Park writes: > I need to upload a batch of files into the zope database, what would be the > best way???? FTP, mput? More difficult: a Python script generating appropriate HTTP Post requests Dieter

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Apache mod_rewrite module...
by Pierre Rougier 23 May '00

23 May '00

Hi, well... I do not know if this is the place to ask it, but... I use two servers... ZServer and apache.... My URL references to Apache example: http://margo.pla.fr/intra/machin.html and I want to use httpd.conf to transform it (only for html and htm files) in http://margo.pla.fr/intra/?machin.html (which is my ZServer) Does someone know the rewrite I sould use.... regular expression are a mistery for me....

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Ann: Free Zope hosting from NIP
by Simon Coles 23 May '00

23 May '00

Hi, New Information Paradigms Ltd (NIP) is proud to announce Free Zope Hosting as one of the three new Zope hosting options it is now providing. These options are briefly described below, please see http://www.nipltd.net/ for full details. Free Zope Hosting ----------------- This hosting option provides an opportunity to explore Zope and evaluate it in a reliable way. We also hope that people within the Zope community can publicly host useful Zope applications without any financial burden. Professional Zope Hosting ------------------------- If you have a commercial Zope application and need somewhere secure and reliable to host it, then this is the option for you. It is based around an instance of Zope and a relational database for each customer with secure access allowing a high degree of customisation. Enterprise Zope Hosting ----------------------- This option provides a totally custom combination of hardware, software and consulting that you will need if you intend to use Zope to provide an enterprise wide solution. For more information see http://www.nipltd.net/, or email us at hosting(a)zope.nipltd.com. Simon --------- My opinions are my own, NIP's opinions are theirs ---------- Simon J. Coles Email: simon(a)nipltd.com New Information Paradigms Work Phone: +44 1344 753703 http://www.nipltd.com/ Work Fax: +44 1344 753742 =============== Life is too precious to take seriously ===============

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DTML Document size limit?
by dillera＠isc.upenn.edu 23 May '00

23 May '00

I can't get a DTML Document to be bigger than about 105k. Is there a size limit to a DTML Document, and if so, how big? 105k isn't that large. -andy diller

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Re: [Zope] Catching SQL Exceptions in an external method
by jq-zope＠jquade.de 23 May '00

23 May '00

"Stolker, Wim" <w.t.stolker(a)getronics.com> writes: > I do not know how the exceptions are named. > If I catch the exception with a general 'except:' statement > it works but I cannot see the info from the exception, sys.exc_* should work, as in import sys try: raise "Blubber" except: print "Exception type %s" % sys.exc_type print "Exception value %s" % sys.exc_value -- http://www.jquade.de/ For every complex problem there is an answer that is clear, simple, and wrong. -- H L Mencken

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Catching SQL Exceptions in an external method
by Stolker, Wim 23 May '00

23 May '00

Hi, I have a burning question ... Does anyone know how to catch exceptions from SQL methods ( via ZodbcDA ) in an external method? I do not know how the exceptions are named. If I catch the exception with a general 'except:' statement it works but I cannot see the info from the exception, so I want to write something like except sqlerror_or_something, e: do_something_with_e I have not been able to find out what I should write instead of sqlerror_or_something Some context: I have an external method that I call via xmlrpc. This method calls a ZSQL method, does some postprocessing and returns the result to the ( java or python ) client. Everything works fine EXCEPT when there is an error. This error shows up in the client as 'internal server error' without further information. If I call the external method from a browser I can see the specific SQL error. So I tried to catch the specific error in the external method in order to marshall the info and send it back to the client. Any help greatly appreciated. Have a nice day, Wim

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Re: [Zope] Win98 and WEBDAV - you ought to see it if you can
by Paul Browning 23 May '00

23 May '00

> Message: 48 > From: "Wolfgang Strobl" <ws(a)gmd.de> > Organization: GMD > To: zope(a)zope.org > Date: Mon, 22 May 2000 14:10:32 +0200 > Subject: Re: [Zope] Win98 and WEBDAV - you ought to see it if you can > > On 22 May 2000, 6:41 Paul Browning wrote: > >> Question: If WEBDAV works so well under Win98 does it >> also work just as well under Win2K? Perhaps someone >> who will admit to using Win2K can confirm this? It might >> even motivate me to upgrade from NT ..... > > I'm using Win2000 at work. Opening a webdav folder works, so > does renaming or moving objects around. Copying from a local > folder to a remote zope works too. But the reverse direction results > in a "Error Copying File or Folder: An error occured while copying > the file. The requested header was not found" sometimes. Copying > a different file got me "The current operation cannot be completed > because an unexpected error has occured". > Thanks for the feedback on Win2K. A Bristol colleague reports: "I can't currently get it to work under Win2k (keeps prompting me for the location of webfldrs.msi) ..." > In short, it's too buggy for doing real work. Yeah - I thought the problems had been sorted under Win98 - but I re-discovered this gotcha (which I was getting under NT4): you can copy .htm files TO Zope but not back again. And changing the file name and/or extension doesn't offer a workaround. Bit of a shame that .... Paul -- The Library, Tyndall Avenue, Univ. of Bristol, Bristol, BS8 1TJ, UK E-mail: paul.browning(a)bris.ac.uk URL: http://www.bris.ac.uk/

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does this app exist?
by paul beard 23 May '00

23 May '00

We're considering using zope to handle some internal groupware-type functions, with WorldPilot as the base. What we need is the true Outlook killer: scheduling. Any word on this as a feature to WorldPilot or hints on how hard this would be implement? By scheduling, I mean the notion of creating an event, inviting others to it via email or WorldPilot, and booking resources like meeting rooms against it. -- Paul Beard / 206 728 4282 x138 Fizzylab / 2025 First Ave, Suite 1150 Seattle WA 98121

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