Re: Domino on 400 with Citrix -- DOMINO400

Based on comments made by developers that have worked in these
applications, I would have to say that I am pretty sure you are right. But
I am afraid that the solution will end up being complete re-writes of the
applications. And since I don't have the funds or the time to do it
right, I would rather not start down that path and have a "somewhat
better" system. I am not ruling this out, but I am hoping to find out if
a Citrix solution is a reasonable alternative.

Phil

Timothy Briley <tlbriley@xxxxxxxxxxxxxx>
Sent by: domino400-bounces+ptrumschlag=niscoseals.com@xxxxxxxxxxxx
07/21/2009 12:23 PM
Please respond to
Lotus Domino on the iSeries / AS400 <domino400@xxxxxxxxxxxx>

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Subject
Re: Domino on 400 with Citrix

"And again, since local response time is not an issue, I am not
optimistic that minor tweaks to the application will solve this problem."

Actually Phil, I'm with Chris on this one. "Local vs distant" is
EXACTLY the scenario where poorly written code will be exposed. I
don't mean to disparage other developers, but ten years ago in the
middle of the boom, there were a lot of guys out there writing code
that shouldn't have been. When I did consulting, I made a pretty good
living rewriting their apps.

Of course, that doesn't mean that running the debugger this time will
find anything that will justify bringing in a contractor to fix the
issues. But you ought to at least look.

Timothy Briley
tlbriley@xxxxxxxxxxxxxx
Florida Board of Bar Examiners

At 11:44 AM 7/21/2009, you wrote:

Chris,

Thanks for the tip, but we don't have any developers on staff. This

would

probably generate some good details for us, but we would not be able to
act on it without bringing in contract programmers. And again, since
local response time is not an issue, I am not optimistic that minor

tweaks

to the application will solve this problem.

Phil

Chris Whisonant <chris.whisonant@xxxxxxxxx>
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07/21/2009 11:36 AM
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Re: Domino on 400 with Citrix

One thing I've found handy when doing troubleshooting with client
performance is to enable some debug parameters in the client notes.ini.
Just
paste in this section below and then remove the semi-colon from each of
the
parameters after closing the client. Then when you launch the client
you'll
get some good debugging. You'll also get a black console window that will
show everything as it's happening. When you get to the part where
performance is bad, flip to the window and see where it's waiting.

An example of debug output for a problem that was because of unread marks
being enabled is this:
RCV_UNREAD[22060] 48938 ms. [106+8850=8956]

As you can see, the 48,938 ms meant that we were waiting around 49

seconds

for the unread marks (that weren't needed) to be calculated. Hopefully
you'll be able to see a lag and pinpoint where it may be.

;-------------------------------------------
;-------------------------------------------
;-----Notes Client Debugging Parameters-----
;Console_LogLevel=2
;LOG_SESSIONS=1
;LOG_CONNECTIONS=1
;DEBUG_TCP_ALL=1
;CLIENT_CLOCK=1
;CONSOLE_LOG_ENABLED=1
;DEBUG_CONSOLE=1
;-------------------------------------------
;-------------------------------------------

---------------------------------------------------

Thanks,
Chris
Personal Blog: http://cwhisonant.blogspot.com
Work Blog: http://www.bleedyellow.com/blogs/lotusnut

On Tue, Jul 21, 2009 at 11:20 AM, <ptrumschlag@xxxxxxxxxxxxxx> wrote:

Performance has not really changed. It is just getting more

attention.

We

have had the network crew studying, testing and tweaking this. They

say

it is not a bandwidth issue or a Class of Service issue. The

applications

themselves are about 10 years old and could probably use some

rewrites,

but that is not going to happen due to the cost. Response time over

the

LAN with the client and server at the same location is fine.

Phil

Chris Whisonant <chris.whisonant@xxxxxxxxx>
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07/21/2009 11:05 AM
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Lotus Domino on the iSeries / AS400 <domino400@xxxxxxxxxxxx>

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Subject
Re: Domino on 400 with Citrix

Why are these databases performing worse now? I've got to think that
usually
it's bandwidth that causes this problem, is this a problem because of

file

attachments or is there something else at play?

---------------------------------------------------

Thanks,
Chris
Personal Blog: http://cwhisonant.blogspot.com
Work Blog: http://www.bleedyellow.com/blogs/lotusnut

On Tue, Jul 21, 2009 at 10:51 AM, <ptrumschlag@xxxxxxxxxxxxxx> wrote:

We have a single iSeries running Domino on a dedicated 270

supporting

3

WAN locations. Response time in our workflow databases at the

remote

locations is becoming a hot issue. It hasn't really changed

recently,

but

it is getting a lot of attention. We are considering a Citrix

server

to

improve response time. We have a "little" experience with Citrix
supporting a different application. Is this a proven solution or am

blazing a new trail here? Has anyone published a cookbook for

pulling

this off?

Phil
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