Re: iSeries - WebSphere - to be or not to be......

If you are using EJBs as well as servlets/JSPs, you can use JBoss.(
www.jboss.com)  It is an open source EJB application server. The
newest versions bundle Tomcat.

-Sarah Poger Gladstone


On 1/18/06, Aaron Bartell <albartell@xxxxxxxxx> wrote:
> I am by no means an expert at administrating WAS but note that the iSeries
> deals with memory allocation very differently than a Wintel machine. When
> the company I used to work for was doing Websphere testing it was painfully
> obvious that if you didn't give the WAS instance dedicated memory poor
> performance was inevitable because it had to wait in line with the rest of
> the users on the machine to gain access to memory.
>
> If you are not needing EJB's in your J2EE app give the non-IBM Tomcat 5.5.x
> install a try.  Basically just stick in in the IFS and configure the port
> you want it to listen to (there is more config stuff on the WEB400 list).
>
> I have had considerably better performance from Tomcat which I am guessing
> is partially related to the feature sets, but the simple fact of the matter
> is that WAS is way overpowered for a lot of iSeries shops. Or rather iSeries
> shops don't use some of the feature sets that make WAS appealing because a
> single iSeries is often stable enough and you don't need a "server farm" of
> iSeries servers with WAS on them.
>
> The above is based on my short experiences with WAS so please weigh
> accordingly,
> Aaron Bartell
> http://mowyourlawn.com/blog
>
> -----Original Message-----
> From: wdsci-l-bounces@xxxxxxxxxxxx [mailto:wdsci-l-bounces@xxxxxxxxxxxx] On
> Behalf Of Steve Simpson (AVR IT Dept)
> Sent: Wednesday, January 18, 2006 7:58 AM
> To: 'Websphere Development Studio Client for iSeries'
> Subject: [WDSCI-L] iSeries - WebSphere - to be or not to be......
> Importance: High
>
> All,
>
> I know that this question is specifically for this group but I think you're
> more likely to give me a better answer....
>
> We currently run WebSphere App Server on our iSeries and 30+ branches
> connect to it.  The performance despite numerous attempts at tuning is
> pretty poor.  If I install a copy of WAS on an intel-based PC, setup the
> same portlets and don't tune the PC WAS server the performance is
> considerably better.
>
> What I'm getting to is which, in your opinion, is the best platform to run
> WAS on.  We still run several web-faced apps as well as pure java-based
> portlets.
>
> I look forward to your replies..............
>
> Thanks
>
> Steve
>
>
> ---------------------------------------------------------
> Steve Simpson
> Arriva Vehicle Rental
>
> Tel   : 0191 520 4029
> Mob : 07917 268 934
>
> For WebSphere support : websphere@xxxxxxxxxxxxxxxxxx
> Website               : www.arrivarental.co.uk
>
>
>
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