The Apache server is easier on resources than Websphere, HTTP server, or
both?
Brad
> -----Original Message-----
> From: David Morris [mailto:dmorris@plumcreek.com]
> Sent: Thursday, March 01, 2001 3:57 PM
> To: JAVA400-L@midrange.com
> Subject: Re: Java and CPU
>
>
> Brad,
>
> I see a lot of background activity on my machine. It seems a
> lot better with
> V4R5 and 1.2.2. On my system now, that background is less
> than .5 percent,
> but over a week the total CPU adds up. I see the same thing
> with the HTTP
> server. The Apache server is easier on resources.
>
> David Morris
>
> >>> bvstone@taylorcorp.com 03/01/01 01:34PM >>>
> This I found interesting.
>
> We have an AS/400 that is a web server only. We're running CGI to do
> customer service online for multiple customer/catalogs.
> Right now it's
> about 30 sites (all using the same 3 or 4 programs, webfacing
> controled by
> config files, SSIs, etc..).
>
> Some CPU stats for the normal HTTP Server: (jobs entered
> system 2/14/2001)
> Subsystem/Job Type Pool Pty CPU
> CSO BCH 2 25 1516.4
> CSO BCI 2 25 .1
> CSO BCI 2 25 .3
> CSO BCI 2 25 69.0
> CSO BCI 2 25 26.1
> CSO BCI 2 25 727.4
>
> Now, I have also have websphere running. I've been trying to
> duplicate this
> CGI system using servlets and and making progress (no wonder
> I'm asking so
> many questions!).
>
> Anyhow Here's the CPU stats for the default WAS server that
> is processing
> the servlets: (entered system 2/19/2001)
>
> Subsystem/Job Type Pool Pty CPU
> DEFAULT_SE BCI 2 25+ 2847.7
> QEJBADMIN BCI 2 25+ 6203.9
> QEJBMNTR ASJ 2 25 .1
>
> The HTTP server has received about 7000 hits since it started
> on 2/14/2001.
> This server serves up those 30 sites and is available 24/7.
>
> The WAS server hasn't even broken a couple hundred hits since
> it's only me
> testing when I have time (started on 2/19/2001). It's not
> available to the
> interent and I am the only developer on the box.
>
> The Java version of the application isn't querying customer
> service data
> yet, I'm simply building the web pages. The CGI programs run
> dynamic SQLs
> to select and display data depending on customer signon information.
>
> The numbers compared to just the default WAS server may be close, but
> remember, it's doing about 1/100th of the work right now.
>
> Any thoughts, ideas, or otherwise? I'm really wondering why
> so much more
> CPU is used. If I were to take my app and java-ize it, it
> looks like it
> would bury the current machine we are using.
>
> Last question, does WAS start more instances when it needs to
> them to handle
> more requests like the HTTP server does? What about the new
> Apache server,
> does it start more jobs to handle more requests?
>
> Thanks!
>
> Brad
>
>
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