Hi,
It took me a while. At Bill Shannon's suggestion, I have added most
of the questions I gathered at Boston Tech Days about GF and answers from
Shreedhar, Eduardo, and Lloyd L. Chambers to the new GF user FAQ
http://wiki.glassfish.java.net/Wiki.jsp?page=GlassFishUserFAQ
There is a FAQ off the glassfish.dev.java.net page but it is not the new
user FAQ.
I hope a link will be added to the top page so it is easier to get to
this new FAQ.
Tom
Gail Risdal wrote:
> That sounds great, Tom! I was traveling yesterday and didn't see this
> thread and your good list of questions until just now. I was just
> about ready to pipe in and say, "These sound like great questions for
> the User FAQ!," but I see you've got that covered.
>
> Gail
>
> Tom Amiro wrote:
>
>> Shreedhar,
>>
>> Super answers. I'll work on getting them into the new user FAQ as
>> Bill Shannon suggested.
>>
>> Tom
>>
>> Shreedhar Ganapathy wrote:
>>
>>>
>>> I'll try answering some
>>>
>>> Tom Amiro wrote:
>>>
>>>> Hi,
>>>>
>>>> I'd like to share questions we were asked by attendees at our
>>>> Glassfish pod during Boston Tech Days. For some, I'd like to get
>>>> back to the person with a good answer; for others, it just would be
>>>> good to know more.
>>>>
>>>> * Is there a way to secure communication between client and
>>>> service without having to manually install certificates on
>>>> systems? Maybe an API to create certificates or a way to
>>>> dynamically establish trust?
>>>> * Is there a simple way to change the admin user's password using
>>>> the Admin Console?
>>>> * In reference to the Clusterjsp demo we showed, one attendee
>>>> asked what are instances and is there any legitimate use for
>>>> having a cluster on a single machine?
>>>>
>>> Instances are Java EE server processes to which Java EE applications
>>> can be deployed and served from. In a clustered environment, a
>>> number of instances are created to help distribute the load of
>>> incoming requests (assuming these are fronted by a load balancer or
>>> an IP sprayer) and to build redundancy for continued availability of
>>> service without interruption due failure/crash of one or more
>>> instances in the cluster. In other words, a cluster of instances
>>> prevents a single point of failure in the software layer of your
>>> topology.
>>> Going a step further, session state replication provides continued
>>> availability of both service and session data so that site's
>>> customers can be agnostic to failures of software processes/hardware.
>>>
>>> Having a cluster on a single machine limits the ability to
>>> horizontally scale and creates a single point of failure (that of
>>> the machine's failure). So for a non-mission critical business, one
>>> may choose to have a (hopefully) multi (core or) cpu, single machine
>>> with sufficient RAM to host a cluster of instances to save space,
>>> cost and possibly energy costs. Ideally two boxes at the minimum
>>> with 2 network interfaces each would help bring hardware redundancy
>>> for any software service that is being offered in a cluster of
>>> instances.
>>>
>>>
>>>> * A few persons wanted to see lists of who (companies) are using
>>>> GF. We showed them the blogs.sun.com/stores page, but is there
>>>> a more comprehensive list?
>>>>
>>> correction on the link : http://blogs.sun.com/stories
>>>
>>>> * Others asked for statistics on the market share of GF compared
>>>> to other Application Servers.
>>>> * Of course we got the question from quite a few: What is an
>>>> application server?
>>>>
>>> A piece of software that serves applications through the internet to
>>> provide a service.
>>> Java EE Application Servers do this by implementing the Java EE
>>> Specification.
>>>
>>>> * Why is glassfish named glassfish?
>>>>
>>> Its see-through :)
>>>
>>>> * Does the portal server run on GF?
>>>> * Does java.net run on GF?
>>>>
>>>> * One very interested person asked, do you have a sales kit,
>>>> promotional material, brochure, fliers, datasheet, etc that I
>>>> can take to my management to get them interested in GF?
>>>> * Does GF support Ajax?
>>>>
>>> Checkout http://ajax.dev.java.net or http://jmaki.dev.java.net and
>>> http://blueprints.dev.java.net for real world ways to use /Web 2.0
>>> /technologies with Java EE.
>>>
>>>> * Does GF have something comparable to IBM's JAM plugin to
>>>> support mainframe updates?
>>>> * For load balancing, does GF have a plugin for Apache web server?
>>>>
>>> Sun Java System Application Server 9.1 officially supports load
>>> balancing using Apache Web Server and mod_jk plugin, also Microsoft
>>> IIS 6 and Sun's Web Server 6.1sp5 and 7.0
>>> A number of blog entries have been written in blogs.sun.com or
>>> java.net on supporting Apache web server for load balancing and
>>> proxying to GF.
>>> One such example with additional links in it:
>>> http://blogs.sun.com/dadelhardt/entry/loadbalancing_with_mod_jk_and_glassfish
>>>
>>>
>>> --Shreedhar
>>>
>>>> Tom
>>>
>>>
>>>
>>
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