RE: Very slow response times w/non-ssl apps?

2004-09-24 Thread Shapira, Yoav

Hi,
You might also want to ask this on the Apache httpd user list.

Yoav Shapira
Millennium Research Informatics


>-Original Message-
>From: Steve Forsyth [mailto:[EMAIL PROTECTED]
>Sent: Thursday, September 23, 2004 6:11 PM
>To: [EMAIL PROTECTED]
>Subject: Very slow response times w/non-ssl apps?
>
>I recently updated our Apache 2.x server to load the SSL module.
>
>As you may have seen in a recent post, I was not able to get any of my
>Tomcat apps to use the SSL connection yet... which may be related to my
>question.
>
>Anyway, I've noticed that the server has been extremely slow... like 5
secs
>for a page to come up vs. .5 second and thats just guessing, it's
probably
>worse than that. I went to the server to see if there was something
wrong
>with it... it looked fine... so I brought up the browser there on the
>server and brought up one of the apps and it runs extremely fast... so
I
>went back to another workstation... it again was extremely slow.
>
>This leads me to believe that any IP address outside of the server
itself
>is doing some kind of authentication or something?  (not my realm :)
>
>I went ahead and removed the SSL module from Apache when loading and
>everything is back to its speedy self again.
>
>
>Anyone have any ideas as to why Tomcat would slow down like this?
>
>
>As I mentioned above... I'm thinking that it may have to do with the
fact
>that I couldn't get SSL working between Apache and Tomcat and maybe
>something is getting translated which takes a long time?
>
>
>
>Thanks,
>Steve
>
>
>
>-
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Very slow response times w/non-ssl apps?

2004-09-23 Thread Steve Forsyth
I recently updated our Apache 2.x server to load the SSL module.

As you may have seen in a recent post, I was not able to get any of my Tomcat apps to 
use the SSL connection yet... which may be related to my question.

Anyway, I've noticed that the server has been extremely slow... like 5 secs for a page 
to come up vs. .5 second and thats just guessing, it's probably worse than that. I 
went to the server to see if there was something wrong with it... it looked fine... so 
I brought up the browser there on the server and brought up one of the apps and it 
runs extremely fast... so I went back to another workstation... it again was extremely 
slow.

This leads me to believe that any IP address outside of the server itself is doing 
some kind of authentication or something?  (not my realm :)

I went ahead and removed the SSL module from Apache when loading and everything is 
back to its speedy self again.


Anyone have any ideas as to why Tomcat would slow down like this?


As I mentioned above... I'm thinking that it may have to do with the fact that I 
couldn't get SSL working between Apache and Tomcat and maybe something is getting 
translated which takes a long time?



Thanks,
Steve



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RE: Slow response times -- Fixed!!

2003-11-07 Thread Turansky, Mark
either 
enableLookups="false"
or
tcpNoDelay="true"

fixed the lag issue I was having.  My applications are fast now to internal network 
users.

-Original Message-
From: David Rees [mailto:[EMAIL PROTECTED]
Sent: Wednesday, November 05, 2003 3:24 PM
To: Tomcat Users List
Cc: [EMAIL PROTECTED]
Subject: Re: Slow response times


On Wed, November 5, 2003 at 9:14 am, Turansky, Mark wrote:
> Tomcat 4.1.27 is running in my company's DMZ.
>
> Users external to my company's network see the normal, fast response times
> from Tomcat.  On my cable modem at home, it is very fast to respond.
>
> Users internal to my company's network (behind our firewall) see very slow
> response times, often several seconds.  On my desktop in the office, it is
> very slow.
>
> This happens with Tomcat running on port 8080 and port 80.
>
> This problem does *not* occur with websites on IIS in our DMZ.  It does
> not occur with Tomcat inside our firewall in a development environment.
>
> any idea why this lag would occur?  Any known issues regarding Tomcat and
> firewalls?

Try setting enableLookups to false in your connectors.  It defaults to
true in the default server.xml, but I think it should probably default to
false.

-Dave

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Re: Slow response times

2003-11-05 Thread Christopher Schultz
Mark,
Tomcat 4.1.27 is running in my company's DMZ.

Users external to my company's network see the normal, fast response
times from Tomcat.  On my cable modem at home, it is very fast to
respond.
Users internal to my company's network (behind our firewall) see very
slow response times, often several seconds.  On my desktop in the
office, it is very slow.
This happens with Tomcat running on port 8080 and port 80.

This problem does *not* occur with websites on IIS in our DMZ.  It
does not occur with Tomcat inside our firewall in a development
environment.
Is it possible that someone has turned-on some kind of Quality Of 
Service (QoS) settings on the firewall, which sets ports 80 and 8080 as 
low-priority?

If so, then your internal users may have sluggish connections because 
packets destined for other ports are "cutting in line". If this is the 
case, you'll have to convince your sysadmin to change the QoS settings.

-chris



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Re: Slow response times

2003-11-05 Thread David Rees
On Wed, November 5, 2003 at 9:14 am, Turansky, Mark wrote:
> Tomcat 4.1.27 is running in my company's DMZ.
>
> Users external to my company's network see the normal, fast response times
> from Tomcat.  On my cable modem at home, it is very fast to respond.
>
> Users internal to my company's network (behind our firewall) see very slow
> response times, often several seconds.  On my desktop in the office, it is
> very slow.
>
> This happens with Tomcat running on port 8080 and port 80.
>
> This problem does *not* occur with websites on IIS in our DMZ.  It does
> not occur with Tomcat inside our firewall in a development environment.
>
> any idea why this lag would occur?  Any known issues regarding Tomcat and
> firewalls?

Try setting enableLookups to false in your connectors.  It defaults to
true in the default server.xml, but I think it should probably default to
false.

-Dave

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Slow response times

2003-11-05 Thread Turansky, Mark
Tomcat 4.1.27 is running in my company's DMZ.

Users external to my company's network see the normal, fast response times from 
Tomcat.  On my cable modem at home, it is very fast to respond.

Users internal to my company's network (behind our firewall) see very slow response 
times, often several seconds.  On my desktop in the office, it is very slow.

This happens with Tomcat running on port 8080 and port 80.

This problem does *not* occur with websites on IIS in our DMZ.  It does not occur with 
Tomcat inside our firewall in a development environment.  

any idea why this lag would occur?  Any known issues regarding Tomcat and firewalls?


Mark Gregory Turansky
Web Engineer
[EMAIL PROTECTED]

www.keymind.com
5111 Leesburg Pike, Suite 703
Falls Church, VA  22041
Tel. 703.379.2060 x450
Fax.703.379.6328

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