Re: Tuxedo?

Tarek Hammoud (hammoud@ibm.net) wrote: : Zeqing Xia wrote: : Hello Everyone, : My company is considering using some TP monitor system for : transaction : processing. In particular we are interested in Tuxedo, Encina, etc.. : I wonder if some one with working experience can kindly provide with : me some advice/lessons on this issue. Below is a list of questions : that I put together, without much in-depth knowledge of either : products: : 1. What is the development time-to-product/market? How long is the : training process for developers? : 2. What is the cost/staffing requirements in administration? : 3. How complicated or error-proness of either of the APIs? Tricks : and traps? : 4. Is there any performance problem with the two-phase commit with a : RDBMS backend? Can I do 50, 100/sec inserts and updates to two or : three : databases at the same time? : 5. What about the future of the products? CORBA? Is : Orcle/Sybase/Micrsoft : doing anything in this area? : 6. Are the APIs object-oriented or rather low-level buffer/offset : counting : stuff? How can I incorporate that into an distributed OO app : framework? : 7. How long does it take to have a proof of concept and the decision : making procedure? : Again, thanks very much for your help. Your suggestions and advice : are : highly, highly appreciated. : Fred Xia : ------------------------------------------------------------------------------ : E*Trade Group, Inc. | #include <std/disclaimer.h> : ------------------------------------------------------------------------------ : The API is pretty pathetic in a multithreaded environment like NT or : OS/2. You must provide : your own locks to their client API's. Non threaded support also means : that you can only : realistically create one transaction from the client at a time.You could : create more but it involves some serious : programming undertaking. As for the server stuff it completely non : rentrant and worse not event linked with the : threaded C runtime libraries. In a nutshell no threaded support : whatsoever. : As far as administration and other TP features it is very good. If the : above is not high on your requirment list, then Tuxedo is a good choice. : They are supposed to be integrating their stuff with OTS. We'll see. : Take a look at Encina. It completely solves the above problems. It : already has OTS support. : Good luck, : Tarek Hammoud