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A4D scalability
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A4D scalability
by David Ringsmuth-3
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If you are using 4D/A4D in any configuration that has multiple A4D web
servers serving the same domain on the same database for volume reasons, please let me know. Thanks, David Ringsmuth _______________________________________________ Active4D-dev mailing list Active4D-dev@... http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ |
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Re: A4D scalability
by Alexander Heintz
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Hi David,
in case you missed my PM: Skype me on "awheintz", and I can tell you what we did to tackle these problems. Cheers Alex > If you are using 4D/A4D in any configuration that has multiple A4D web > servers serving the same domain on the same database for volume > reasons, > please let me know. > > Thanks, > David Ringsmuth > > _______________________________________________ > Active4D-dev mailing list > Active4D-dev@... > http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev > Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ _______________________________________________ Active4D-dev mailing list Active4D-dev@... http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ |
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Re: A4D scalability
by Mehboob Alam
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It also helps to differentiate the web-engine underneath A4D.. 1- 4D Web Extension (Server) 2- 4D Web Extension (Client) 3- ITK 4- NTK 5- Apache front-end It would help the group if we collected best-practices into the wiki. Anyone running IIS or Apache on Windows? sincerely, mehboob alam Electricity is actually made up of extremely tiny particles called electrons, that you cannot see with the naked eye unless you have been drinking. - Dave Barry ----- Original Message ---- From: David Ringsmuth <davidinug@...> To: active4d-dev@... Sent: Tuesday, June 16, 2009 5:05:40 PM Subject: [Active4d-dev] A4D scalability If you are using 4D/A4D in any configuration that has multiple A4D web servers serving the same domain on the same database for volume reasons, please let me know. Thanks, David Ringsmuth _______________________________________________ Active4D-dev mailing list Active4D-dev@... http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ _______________________________________________ Active4D-dev mailing list Active4D-dev@... http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ |
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Re: A4D scalability
by CDonahue
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> It would help the group if we collected best-practices into the wiki.
> Anyone running IIS or Apache on Windows? Mehboob, This is a great idea. We have an Apache reverse-proxy setup in front of our A4D machine. I'd be happy to describe our experiences with this on the wiki. Things are a bit hectic at the moment, but I will make sure to do this. Projects keep growing in size, so it would be extremely beneficial to have a repository of best practices/scalability/case studies of this nature. Best Regards, - Clayton Donahue _______________________________________________ Active4D-dev mailing list Active4D-dev@... http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ |
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Re: A4D scalability
by Mike Vogt
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We have Apache running in from of 4D/Active4D. It allows some static
traffic to be handled by Apache, and allows some php scripts to do some document handling for us, also alleviating 4D from that load. Sincerely, Mike Vogt Willsub Technical Support > -----Original Message----- > From: active4d-dev-bounces@... > [mailto:active4d-dev-bounces@...] On Behalf Of > Mehboob Alam > Sent: Wednesday, June 17, 2009 9:09 AM > To: active4d-dev@... > Subject: Re: [Active4d-dev] A4D scalability > > > It also helps to differentiate the web-engine underneath A4D.. > > 1- 4D Web Extension (Server) > 2- 4D Web Extension (Client) > 3- ITK > 4- NTK > 5- Apache front-end > > It would help the group if we collected best-practices into the wiki. > Anyone running IIS or Apache on Windows? > > sincerely, > mehboob alam > > > > > Electricity is actually made up of extremely tiny particles > called electrons, that you cannot see with the naked eye > unless you have been drinking. - Dave Barry > > > > ----- Original Message ---- > From: David Ringsmuth <davidinug@...> > To: active4d-dev@... > Sent: Tuesday, June 16, 2009 5:05:40 PM > Subject: [Active4d-dev] A4D scalability > > If you are using 4D/A4D in any configuration that has > multiple A4D web servers serving the same domain on the same > database for volume reasons, please let me know. > > Thanks, > David Ringsmuth > > _______________________________________________ > Active4D-dev mailing list > Active4D-dev@... > http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev > Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ > > > > > _______________________________________________ > Active4D-dev mailing list > Active4D-dev@... > http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev > Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ _______________________________________________ Active4D-dev mailing list Active4D-dev@... http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ |
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Re: A4D scalability
by B. Perkins
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Similar setup here.
Apache on Mac OS 10.4 Server 4D Client 2003 running NTK as the web server 4D Server 2003 running on Windows 2003 Server -- Brad Perkins Mike Vogt wrote: > We have Apache running in from of 4D/Active4D. It allows some static > traffic to be handled by Apache, and allows some php scripts to do some > document handling for us, also alleviating 4D from that load. > > Sincerely, > Mike Vogt > Willsub Technical Support > > > > >> -----Original Message----- >> From: active4d-dev-bounces@... >> [mailto:active4d-dev-bounces@...] On Behalf Of >> Mehboob Alam >> Sent: Wednesday, June 17, 2009 9:09 AM >> To: active4d-dev@... >> Subject: Re: [Active4d-dev] A4D scalability >> >> >> It also helps to differentiate the web-engine underneath A4D.. >> >> 1- 4D Web Extension (Server) >> 2- 4D Web Extension (Client) >> 3- ITK >> 4- NTK >> 5- Apache front-end >> >> It would help the group if we collected best-practices into the wiki. >> Anyone running IIS or Apache on Windows? >> >> sincerely, >> mehboob alam >> >> >> >> >> Electricity is actually made up of extremely tiny particles >> called electrons, that you cannot see with the naked eye >> unless you have been drinking. - Dave Barry >> >> >> >> ----- Original Message ---- >> From: David Ringsmuth <davidinug@...> >> To: active4d-dev@... >> Sent: Tuesday, June 16, 2009 5:05:40 PM >> Subject: [Active4d-dev] A4D scalability >> >> If you are using 4D/A4D in any configuration that has >> multiple A4D web servers serving the same domain on the same >> database for volume reasons, please let me know. >> >> Thanks, >> David Ringsmuth >> >> _______________________________________________ >> Active4D-dev mailing list >> Active4D-dev@... >> http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev >> Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ >> >> >> >> >> _______________________________________________ >> Active4D-dev mailing list >> Active4D-dev@... >> http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev >> Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ >> > > _______________________________________________ > Active4D-dev mailing list > Active4D-dev@... > http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev > Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ > > _______________________________________________ Active4D-dev mailing list Active4D-dev@... http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ |
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Re: A4D scalability
by Peter Jakobsson-2
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Similar setup here'
Apache on Windows 2000 Server 4D Client 2004.7 Running on Windows 2003 Server 4d Server 2004.3 Running on Windows 2003 Server - Static content is served by Apache - product images served by dedicated image server also running Apache (auto-updated by another 4D client which extracts the images from the 4D data and writes them twice a day to the OS desktop) - https requests directed straight to 4D, bypassing Apache (because we couldn't figure out how to do it by Apache yet) - maintenance, web admin tasks, twice daily product uploads and order downloads done on yet another 4D Client web server (also running Apache) Altogether, to make the whole system work - 3 x Web servers running on 4D Client machines, each running an instance of Apache.Active 4D, each with an independent public IP address, but all accessing the same data. Peter On 17 Jun 2009, at 16:12, Brad Perkins wrote: > Similar setup here. > > Apache on Mac OS 10.4 Server > 4D Client 2003 running NTK as the web server > 4D Server 2003 running on Windows 2003 Server _______________________________________________ Active4D-dev mailing list Active4D-dev@... http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ |
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Re: A4D scalability
by David Ringsmuth-3
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Thanks much for your responses describing scalability (all).
I have not yet set up an Apache web server. It appears that Apache web server has built-in load balancing for back-end web servers: http://httpd.apache.org/docs/2.2/mod/mod_proxy_balancer.html This should satisfy my client's concerns for scalability. David Ringsmuth -----Original Message----- From: active4d-dev-bounces@... [mailto:active4d-dev-bounces@...] On Behalf Of David Ringsmuth Sent: Tuesday, June 16, 2009 4:06 PM To: active4d-dev@... Subject: [Active4d-dev] A4D scalability If you are using 4D/A4D in any configuration that has multiple A4D web servers serving the same domain on the same database for volume reasons, please let me know. Thanks, David Ringsmuth _______________________________________________ Active4D-dev mailing list Active4D-dev@... http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ |
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Re: A4D scalability
by Alexander Heintz
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Guess I will have to type a bit :-)
In our setup we were using 4D 2003 with the ITK Webserver (modified to handle partial requests, continuus requests, keep-alive, etc.). Although we never used the full setup as we did not need it, here is the basic setup we had: THE INTERNETS ---------------------------------------------------------------------------- | | | Gateway | | Linux System with Apache 2.2 | ---------------------------------------------------------------------------- | | | | | Public HTTP Server 1 | Public HTTP Server n | Private HTTP Server | | 4D 2003 / Apache 2.2 | 4D 2003 / Apache 2.2 | 4D 2003 / Apache 2.2 | ---------------------------------------------------------------------------- | | | 4D Server 2003 | | on Windows 2000 WS | ---------------------------------------------------------------------------- Details Gateway: This machine ran Apache 2.2 and some Linux (RedHat I think it was). Apache had rewrite rules to do a round robin Load Sharing of as many public HTTP Cients as you wanted, hiding them from the user, so no w1, ww2 etc. The round robin list ws automatically handled by apach, if on http server sent an error (Bad Gateway or other) it would automatically be removed from the list. The Script would then poll the client every 60 Seconds to see if he was online again to then put him back in the list. On the Client a script would execute killing hte 4D Client process and restarting it. The system was designed to run on a DELL blade System with up to 6 blades. The private HTTP Server was for Backoffice and background task. The biggest load we ever had was some 15.000 hits per hour, and using this setup we had an uptime service level of 99.74 % (externally Tracked with RedAlert) once the teething problems were solved (2-3 months), the remaining .26 were scheduled downtimes. The individual clients only got to 96% but due to the automatic recovery system that did not matter much. Sadly we never got to gear it up to full glory, as the company we did this for went bankrupt and their owner ran with whatver money was left to oen a cafe on Crete... The whole setup was scrapped and sold in the bankruptcy. A simple, 1-machne version fo the whole system is still operational. I am currently working on findng a new customer for the system in order to bring it up to current versions. In the 18 Months we had the system running it never failed us and only ran at a fraction of its potential. Basically there were only 2 points of failiure left: The Linux Gateway which, when we swithced it off, had an uptime count of 690 days! The 4D Server, this one had NO stored procedures nd ran nothing but 4D Server, we had one crash of it early on in the project, we never found out why ... The server scripting was all done by Michael Bond. Cheers, Alex > If you are using 4D/A4D in any configuration that has multiple A4D web > servers serving the same domain on the same database for volume > reasons, > please let me know. > > Thanks, > David Ringsmuth > > _______________________________________________ > Active4D-dev mailing list > Active4D-dev@... > http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev > Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ _______________________________________________ Active4D-dev mailing list Active4D-dev@... http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ |
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Re: A4D scalability
by David Ringsmuth-3
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Alexander,
... Guess I will have to type a bit :-)... THANK YOU for this post. David Ringsmuth _______________________________________________ Active4D-dev mailing list Active4D-dev@... http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ |
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Re: A4D scalability
by Mehboob Alam
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So far.. no IIS references yet. sincerely, mehboob alam Electricity is actually made up of extremely tiny particles called electrons, that you cannot see with the naked eye unless you have been drinking. - Dave Barry ----- Original Message ---- From: Mehboob Alam <media4d@...> To: active4d-dev@... Sent: Wednesday, June 17, 2009 9:09:03 AM Subject: Re: [Active4d-dev] A4D scalability It also helps to differentiate the web-engine underneath A4D.. 1- 4D Web Extension (Server) 2- 4D Web Extension (Client) 3- ITK 4- NTK 5- Apache front-end It would help the group if we collected best-practices into the wiki. Anyone running IIS or Apache on Windows? sincerely, mehboob alam Electricity is actually made up of extremely tiny particles called electrons, that you cannot see with the naked eye unless you have been drinking. - Dave Barry ----- Original Message ---- From: David Ringsmuth <davidinug@...> To: active4d-dev@... Sent: Tuesday, June 16, 2009 5:05:40 PM Subject: [Active4d-dev] A4D scalability If you are using 4D/A4D in any configuration that has multiple A4D web servers serving the same domain on the same database for volume reasons, please let me know. Thanks, David Ringsmuth _______________________________________________ Active4D-dev mailing list Active4D-dev@... http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ _______________________________________________ Active4D-dev mailing list Active4D-dev@... http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ _______________________________________________ Active4D-dev mailing list Active4D-dev@... http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ |
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Re: A4D scalability
by Alexander Heintz
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IIS?
Life's too short... I did work with IIS years ago, using that CGI PlugIn for IIS ages ago... The experience was so bad that I have been cured for a lifetime from ever again touching IIS! You cannot pay me enough to force me to ever again work with IIS and whenever I have to Install a 4D Webserver System, I do a minimum Install of Server 2003 and set up a wonderful, secure and fast ApacheMysqlPhp server that does all I need without any glitches! > So far.. no IIS references yet. > > sincerely, > mehboob alam > > > > > Electricity is actually made up of extremely tiny particles called > electrons, that you cannot see with the naked eye unless you have > been drinking. - Dave Barry > > > > ----- Original Message ---- > From: Mehboob Alam <media4d@...> > To: active4d-dev@... > Sent: Wednesday, June 17, 2009 9:09:03 AM > Subject: Re: [Active4d-dev] A4D scalability > > > It also helps to differentiate the web-engine underneath A4D.. > > 1- 4D Web Extension (Server) > 2- 4D Web Extension (Client) > 3- ITK > 4- NTK > 5- Apache front-end > > It would help the group if we collected best-practices into the wiki. > Anyone running IIS or Apache on Windows? > > sincerely, > mehboob alam > > > > > Electricity is actually made up of extremely tiny particles called > electrons, that you cannot see with the naked eye unless you have > been drinking. - Dave Barry > > > > ----- Original Message ---- > From: David Ringsmuth <davidinug@...> > To: active4d-dev@... > Sent: Tuesday, June 16, 2009 5:05:40 PM > Subject: [Active4d-dev] A4D scalability > > If you are using 4D/A4D in any configuration that has multiple A4D web > servers serving the same domain on the same database for volume > reasons, > please let me know. > > Thanks, > David Ringsmuth > > _______________________________________________ > Active4D-dev mailing list > Active4D-dev@... > http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev > Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ > > > > > _______________________________________________ > Active4D-dev mailing list > Active4D-dev@... > http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev > Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ > > > > > _______________________________________________ > Active4D-dev mailing list > Active4D-dev@... > http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev > Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ _______________________________________________ Active4D-dev mailing list Active4D-dev@... http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ |
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sendFuseaction
by String
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I am in that place of feeling like I am missing something:
I want to do a simple list of related many records at the bottom of a edit form (e.g. line items on an invoice). It is simple enough to build the form but it also seems the sendFuseaction would be a more elegant strategy, in part because I want to have the many records link to another edit form. So far it seems that if I put the sendFuseaction in the dsp_edit of the one table,the nested listing circuit "replaces" the home circuit. If I put the sendFuseaction in the dsp_list calling the dsp_edit of the one table above the list, the dsp_edit "replaces" the list but then lists the edit below the footer. I am using this syntax: $fusebox->sendFuseaction("project.edit"; $projectAttrs) $fusebox{"nestLayouts"} only seems to duplicate headers etc if set to true Active4D 4.5 4D 2004 with 4D web server OSX 10.5.7 Any help is greatly appreciated. String Hamister Interface Artistry _______________________________________________ Active4D-dev mailing list Active4D-dev@... http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ |
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Re: A4D scalability
by Doug Hall-6
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On Wed, Jun 17, 2009 at 9:06 AM, Mike Vogt<mv@...> wrote:
> We have Apache running in from of 4D/Active4D. It allows some static > traffic to be handled by Apache... We do this too. We're using Apache as a reverse proxy. We're using 4D Client as the A4D web server. _______________________________________________ Active4D-dev mailing list Active4D-dev@... http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ |
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Re: A4D scalability
by B. Perkins
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Doug Hall wrote:
> On Wed, Jun 17, 2009 at 9:06 AM, Mike Vogt<mv@...> wrote: > >> We have Apache running in from of 4D/Active4D. It allows some static >> traffic to be handled by Apache... >> > > We do this too. We're using Apache as a reverse proxy. We're using 4D > Client as the A4D web server. I can't remember if it has been mentioned in this thread, but another advantage of using Apache in front of A4D, is that it can function as a security filter. If you know what your A4D GET requests should look like, you can develop a whitelist in your rewrite rules that will only allow what appear to be valid requests to hit A4D. This shelters your application from the majority of bot and penetration tool traffic. -- Brad Perkins _______________________________________________ Active4D-dev mailing list Active4D-dev@... http://mailman.aparajitaworld.com/mailman/listinfo/active4d-dev Archives: http://mailman.aparajitaworld.com/archive/active4d-dev/ |
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