Re: A few questions about server configuration

This WebDNA talk-list message is from

2000

It keeps the original formatting. numero = 34873
interpreted = N
texte = WebCat is uses a RAM resident database, with disk files stored as tab-delimited flat files. There is no built-in capability for replicationor failover; the disk files can be stored on shared media but any changeoccurs in RAM and is saved the hard-drive after. If all of your primary files are read-only, and your load-balancing software maintains one-client-to-one-server (e.g. through the use of cookies), you can manage multiple servers with separate shopping carts.If your databases are read/write, you can maintain consistency throughthe use of [tcpsend].You can also run WebCat using a SQL database (say Oracle or SQL Server) for all read/write databases, using whatever failover capabilities of the RDMBS. However, your performance will be lower than the pure RAMdatabase model.Although there is no built-in replication or fault tolerance in thestandard WebCat model, you can manage to do it in several ways. I amhopeful that there will be an eventual cluster mode available usingsome sort of RPC model. The longer that they develop for Unix, the more likely they will move toward that sort of system, IMNSHO.HTHJohn PeacockAdam O'Connor wrote:> > Hello everyone,> > We are constructing a scalable webserver involving webcat 3.0. We have> used webcat for 3-4 years successfully. Now we are undergoing some upgrades> an d need a little help. I have knowledge on using and writing w/ webcat> 3.0 software, but do not know much about the hosting/server aspect. The> fellow designing our system has 4 general questions, that I am having> trouble answering. Any help on one or all is greatly appreciated.> > Situation:> Windows NT/2000> Multiple servers forming a farm using the Networkload Balancing service> > We would like to use webcat as our backend Database on a seperate machine,> and cluster it with the other machines,> via several options.> > 1.Question: Webcat seems to use internal databases flat files for its data> store, and> they must reside on the machine that uses them. Is this true??> Or can they be hosted on a seperate server?> > 2.If it is, does webcat support some type of replication between machines? ,> or> can those be shared by another webcat machine?> > 3.How are the internal Databases structured, as listed in the handbook? Or> is there a seperate> structure to them not mentioned in the hand book?> > 4.Lastly, what kind of fault tolerence Webcat recommends or have other users> have come up> with?> > Thank you for your help,> -Adam> > -------------------------------------------------------------> This message is sent to you because you are subscribed to> the mailing list .> To unsubscribe, E-mail to: > To switch to the DIGEST mode, E-mail to > Web Archive of this list is at: http://search.smithmicro.com/-------------------------------------------------------------This message is sent to you because you are subscribed to the mailing list .To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://search.smithmicro.com/ Associated Messages, from the most recent to the oldest:

A few questions about server configuration (adam@inos.com (Adam O'Connor) 2000)
Re: A few questions about server configuration (John Peacock 2000)
Re: A few questions about server configuration (Kenneth Grome 2000)

WebCat is uses a RAM resident database, with disk files stored as tab-delimited flat files. There is no built-in capability for replicationor failover; the disk files can be stored on shared media but any changeoccurs in RAM and is saved the hard-drive after. If all of your primary files are read-only, and your load-balancing software maintains one-client-to-one-server (e.g. through the use of cookies), you can manage multiple servers with separate shopping carts.If your databases are read/write, you can maintain consistency throughthe use of [tcpsend].You can also run WebCat using a SQL database (say Oracle or SQL Server) for all read/write databases, using whatever failover capabilities of the RDMBS. However, your performance will be lower than the pure RAMdatabase model.Although there is no built-in replication or fault tolerance in thestandard WebCat model, you can manage to do it in several ways. I amhopeful that there will be an eventual cluster mode available usingsome sort of RPC model. The longer that they develop for Unix, the more likely they will move toward that sort of system, IMNSHO.HTHJohn PeacockAdam O'Connor wrote:> > Hello everyone,> > We are constructing a scalable webserver involving webcat 3.0. We have> used webcat for 3-4 years successfully. Now we are undergoing some upgrades> an d need a little help. I have knowledge on using and writing w/ webcat> 3.0 software, but do not know much about the hosting/server aspect. The> fellow designing our system has 4 general questions, that I am having> trouble answering. Any help on one or all is greatly appreciated.> > Situation:> Windows NT/2000> Multiple servers forming a farm using the Networkload Balancing service> > We would like to use webcat as our backend Database on a seperate machine,> and cluster it with the other machines,> via several options.> > 1.Question: Webcat seems to use internal databases flat files for its data> store, and> they must reside on the machine that uses them. Is this true??> Or can they be hosted on a seperate server?> > 2.If it is, does webcat support some type of replication between machines? ,> or> can those be shared by another webcat machine?> > 3.How are the internal Databases structured, as listed in the handbook? Or> is there a seperate> structure to them not mentioned in the hand book?> > 4.Lastly, what kind of fault tolerence Webcat recommends or have other users> have come up> with?> > Thank you for your help,> -Adam> > -------------------------------------------------------------> This message is sent to you because you are subscribed to> the mailing list .> To unsubscribe, E-mail to: > To switch to the DIGEST mode, E-mail to > Web Archive of this list is at: http://search.smithmicro.com/-------------------------------------------------------------This message is sent to you because you are subscribed to the mailing list .To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://search.smithmicro.com/ John Peacock

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Re: A few questions about server configuration

2000

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