Thanks a lot, Hugh. I have few remaining questions regarding JBOSS 3.2.x. 1. Easy configuration o multiple, independent application spaces. 2. Individual developer instances that run on a variety of platforms.
Thanks Anu Hugh Allen <[EMAIL PROTECTED]> wrote: >Anu, > >1) I am not using web services, so I can't help with this one. > >2) The JBoss business model is that you have to PAY for support and for training. In >my case the cost is prohibitive for both, so I am on my own. This is the main reason >I wish the JBoss documentation was a LOT better. > >3) I am using CMP 2.0 entity beans for ALL of my database interaction. CMP 2.0 is a >beautiful thing, since I just have to write some very simple SQL in the deployment >descriptors. But the tradeoff is less control. My understanding is that JDBC or JDO >could provide more control, at the expense of code complexity. I am very pleased with >CMP 2.0. > >You can control JBoss interaction with the database to some extent, depending on your >technical requirements, by specifying loading parameters in your deployment >descriptors. As I understand it, by default JBoss retrieves the key values for each >query and the goes back and retrieves the actual rows of data later, one by one, as >required. However, you can tune this behavior. JBoss supports: >- load groups (which columns are read) >- read-ahead - on-find and on-load (which rows are read in a single request) >- various commit options that determine whether how data can be cached (depending on >whether JBoss has control over ALL database updates) >- transaction options >- locking options > >4) If you are referring to dynamic loading of EAR files (including WAR and JAR >files), this seems to be one of the BEST features of JBoss. Just drop a new EAR file >in the JBoss server's deploy directory and it will be deployed automatically. This >works great. I haven't used the other major EJB containers, but I understand they >don't have this feature. > >Hugh > >At 04:09 PM 6/21/2004, you wrote: > >>Thanks a lot to Phillip Rhodes and Hugh Allen for their invaluable insights. �Please >>do comment on the following questions regarding JBoss 3.2.x >> >>1. Easy implementation of Web Services >>2. Quality of technical response/support >>3. Efficient CMP communication with selected database (i.e. is the SQL optimized >>prior to submission or is there lots of �interaction with the database ) >>4. Dynamic loading of new files >> >>Thanks in advance >> >>Anu >> >> >>Hugh Allen <[EMAIL PROTECTED]> wrote: >> >>>I have been using JBoss for less than a year, so I am no expert. The learning curve >>>is pretty steep for both J2EE and JBoss. >>> >>>Phillip Rhodes replied separately to your email, and I generally agree with his >>>comments. >>> >>>1) I believe JBoss supports all of the important parts of J2EE, and each release >>>has more functionality. It has everything I need, and the price is right. >>> >>>2) I haven't used load balancing or clusters. >>> >>>3) The JBoss forums have a lot of information. By contrast, the documentation, >>>which costs $10, is not particularly good. It explains a lot about how JBoss works >>>internally, particularly the JMX aspects, but it is not very readable and does not >>>contain a lot of "how to" information that is useful for new developers. >>> >>>Since it is open source, it always seems like the JBoss folks actually expect you >>>to read the source code to answer your questions. After all, that's what THEY do. I >>>have had to do this on at least one occasion, and it's not a great way of figuring >>>out what is going on. >>> >>>4) The JMX console is not very intuitive. The best source of information to figure >>>out what is going on in the server is the log files. >>> >>>5) I can't provide any real details on database connection pooling. I am using >>>MySQL with InnoDB tables and performance seems pretty good, but I don't yet have >>>much load on my current applications. >>> >>>6) I have two Linux web servers running JBoss - both located in the same data >>>center in New York state. >>> >>>The test web server is running Red Hat 9 with User Mode Linux, where the machined >>>is partitioned to support around 20 customers. (See www.rimuhosting.com) >>>Originally, my partition had 128MB of RAM to support Linux, JBoss, Jetty, Apache, >>>and MySQL. I was getting constant out of memory errors. Increasing this to 192MB >>>RAM solved the problem, but this machine is pretty slow, as you might expect. >>> >>>Just set up a new dedicated server running White Box Enterprise Linux 3 with 1GB >>>RAM. This machine is not currently running Apache or Jetty - it uses the embedded >>>JBoss/TomCat instead. This configuration is much faster and response times are >>>quite good. >>> >>>Regards, Hugh >>> >>>At 01:16 PM 6/21/2004, [EMAIL PROTECTED] wrote: >>> >>>>Hi >>>> >>>>I have a couple of questions related to JBOSS 3.2.x. � >>>> >>>>1. Does JBOSS 3.2.x support J2EE 1.3 fully? >>>>2. Is it easy to configure additional load balancing servers? >>>>3. Good Usenet group support? >>>>4. Does it provides application monitoring tool? >>>>5. How efficient is database connection pooling? >>>>6. Required CPU and RAM? >>>> >>>>Thanks in advance >>>> >>>>Anu >>>> >>>>__________________________________________________________________ >>>>Introducing the New Netscape Internet Service. >>>>Only $9.95 a month -- Sign up today at http://isp.netscape.com/register >>>> >>>>Netscape. Just the Net You Need. >>>> >>>>New! Netscape Toolbar for Internet Explorer >>>>Search from anywhere on the Web and block those annoying pop-ups. >>>>Download now at http://channels.netscape.com/ns/search/install.jsp >>>> >>>>_______________________________________________ >>>>Juglist mailing list >>>>[EMAIL PROTECTED] >>>>http://trijug.org/mailman/listinfo/juglist_trijug.org >>>> >>>> > > __________________________________________________________________ Switch to the New Netscape Internet Service. As low as $9.95 a month -- Sign up today at http://isp.netscape.com/register Netscape. Just the Net You Need. New! Netscape Toolbar for Internet Explorer Search from anywhere on the Web and block those annoying pop-ups. Download now at http://channels.netscape.com/ns/search/install.jsp _______________________________________________ Juglist mailing list [EMAIL PROTECTED] http://trijug.org/mailman/listinfo/juglist_trijug.org
