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External
Since: Feb 10, 2005
Posts: 5
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(Msg. 1) Posted: Thu Feb 10, 2005 6:35 am
Post subject: Very slow response from IIS 5.0
Archived from groups: microsoft>public>inetserver>iis (more info?)
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Hi,
We have the Win2000 Server with IIS 5.0 installed.
Starting from some time users notify us that the access to web applications
was slowed down.
Sometimes the page is loaded for 2 seconds and another time for 2 minutes.
The issue is that the slowness is only when application is accessed from
other computers.
We've created a virtual dir, places there several binary files and create a
tool, which downloads these files.
Here's the example of the log (each record is a reading of 1Kbyte block):
=============================================
/IISTest/data1.txt
Packet reading: Before: 5558472 After: 5558512 Diff: 40
Packet reading: Before: 5558512 After: 5559444 Diff: 932
Packet reading: Before: 5559444 After: 5559484 Diff: 40
Packet reading: Before: 5559484 After: 5559484 Diff: 0
Packet reading: Before: 5559484 After: 5559584 Diff: 100
Packet reading: Before: 5559624 After: 5560325 Diff: 701
Packet reading: Before: 5560325 After: 5560375 Diff: 50
=============================================
As you can see, some blocks are read per 40 ms and other per 700-900ms
We've checked if buffering is enabled, if there's no any bandwidth
limitations etc. - all is Ok.
Using the same application on other machine with IIS 5.0 shows the average
access time about 5ms
May be someone knows what can cause such issue.
Thanks,
Denis |
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External
Since: Aug 23, 2003
Posts: 2972
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(Msg. 2) Posted: Thu Feb 10, 2005 6:35 am
Post subject: Re: Very slow response from IIS 5.0 [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Hi,
Can you reproduce this slowness without using HTTP? Usually this is caused
by network problems or faulty network drivers.
Have you noticed any other network problems on this server, or other
servers located on the same subnet?
--
Regards,
Kristofer Gafvert
<a style='text-decoration: underline;' href="http://www.gafvert.info" target="_blank">www.gafvert.info</a> - My Articles and help
<a style='text-decoration: underline;' href="http://www.ilopia.com" target="_blank">www.ilopia.com</a>
Zorrack wrote:
> Hi,
>
> We have the Win2000 Server with IIS 5.0 installed.
> Starting from some time users notify us that the access to web
applications
> was slowed down.
> Sometimes the page is loaded for 2 seconds and another time for 2
minutes.
> The issue is that the slowness is only when application is accessed from
> other computers.
> We've created a virtual dir, places there several binary files and
create a
> tool, which downloads these files.
> Here's the example of the log (each record is a reading of 1Kbyte block):
> =============================================
> /IISTest/data1.txt
> Packet reading: Before: 5558472 After: 5558512 Diff: 40
> Packet reading: Before: 5558512 After: 5559444 Diff: 932
> Packet reading: Before: 5559444 After: 5559484 Diff: 40
> Packet reading: Before: 5559484 After: 5559484 Diff: 0
> Packet reading: Before: 5559484 After: 5559584 Diff: 100
> Packet reading: Before: 5559624 After: 5560325 Diff: 701
> Packet reading: Before: 5560325 After: 5560375 Diff: 50
> =============================================
> As you can see, some blocks are read per 40 ms and other per 700-900ms
> We've checked if buffering is enabled, if there's no any bandwidth
> limitations etc. - all is Ok.
> Using the same application on other machine with IIS 5.0 shows the
average
> access time about 5ms
>
> May be someone knows what can cause such issue.
>
> Thanks,
> Denis<!-- ~MESSAGE_AFTER~ --> |
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External
Since: Apr 22, 2004
Posts: 390
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(Msg. 3) Posted: Thu Feb 10, 2005 9:35 am
Post subject: Re: Very slow response from IIS 5.0 [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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On Thu, 10 Feb 2005 12:04:04 +0200, "Zorrack" <zorrack.DeleteThis@nomail.com>
wrote:
It's not normal. What are the server specs?
How many sites are on the box?
What is the bandwidth/data transfer of the box?
What is happening on the sites? Are they static sites? Are they
dynamic? PERL, ASP, ColdFusion?
This post is missing a lot of vital information.
John Cesta
The CPU Checker - Monitors your CPU % while you sleep
LogFileManager - IIS LogFile Management Tool
WebPageChecker - Helps Maintain Server UpTime
DomainReportIt PRO - Helps Rebuild IIS
<a style='text-decoration: underline;' href="http://www.serverautomationtools.com" target="_blank">http://www.serverautomationtools.com</a>
>Hi,
>
>We have the Win2000 Server with IIS 5.0 installed.
>Starting from some time users notify us that the access to web applications
>was slowed down.
>Sometimes the page is loaded for 2 seconds and another time for 2 minutes.
>The issue is that the slowness is only when application is accessed from
>other computers.
>We've created a virtual dir, places there several binary files and create a
>tool, which downloads these files.
>Here's the example of the log (each record is a reading of 1Kbyte block):
>=============================================
>/IISTest/data1.txt
> Packet reading: Before: 5558472 After: 5558512 Diff: 40
> Packet reading: Before: 5558512 After: 5559444 Diff: 932
> Packet reading: Before: 5559444 After: 5559484 Diff: 40
> Packet reading: Before: 5559484 After: 5559484 Diff: 0
> Packet reading: Before: 5559484 After: 5559584 Diff: 100
> Packet reading: Before: 5559624 After: 5560325 Diff: 701
> Packet reading: Before: 5560325 After: 5560375 Diff: 50
>=============================================
>As you can see, some blocks are read per 40 ms and other per 700-900ms
>We've checked if buffering is enabled, if there's no any bandwidth
>limitations etc. - all is Ok.
>Using the same application on other machine with IIS 5.0 shows the average
>access time about 5ms
>
>May be someone knows what can cause such issue.
>
>Thanks,
>Denis
><!-- ~MESSAGE_AFTER~ --> >> Stay informed about: Very slow response from IIS 5.0 |
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External
Since: Feb 10, 2005
Posts: 5
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(Msg. 4) Posted: Thu Feb 10, 2005 10:35 am
Post subject: Re: Very slow response from IIS 5.0 [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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The server is:
Compaq Server station
PIV 2,4GHz
1Gb RAM
Server is hosting two web applications (during a test both of them were
disabled)
LAN connectivity - 100MBit
Internet Connectivity - 2MBit
Testing was done from LAN.
Testing virtual directory contained only 4 binary files.
Two applications, which are on site, written in ASP.
Preliminary testing show, that application forms the pages for less than 1
second (measuring time at beginning and at end of page).
Average access level: 100 hits per hour.
Once again, during testing both applications were disabled so only
downloading tool was used for testing and only test virtual directory was
accessed.
Thanks,
Denis
"John Cesta" <lists RemoveThis @lookwww.com> wrote in message
news:tcpm015hm4u9c5rdfc8pavi9v1vsgec0mb@4ax.com...
> On Thu, 10 Feb 2005 12:04:04 +0200, "Zorrack" <zorrack RemoveThis @nomail.com>
> wrote:
>
> It's not normal. What are the server specs?
> How many sites are on the box?
> What is the bandwidth/data transfer of the box?
>
> What is happening on the sites? Are they static sites? Are they
> dynamic? PERL, ASP, ColdFusion?
>
> This post is missing a lot of vital information.
>
> John Cesta
>
> The CPU Checker - Monitors your CPU % while you sleep
> LogFileManager - IIS LogFile Management Tool
> WebPageChecker - Helps Maintain Server UpTime
> DomainReportIt PRO - Helps Rebuild IIS
<font color=purple> > <a style='text-decoration: underline;' href="http://www.serverautomationtools.com</font" target="_blank">http://www.serverautomationtools.com</font</a>>
>
> >Hi,
> >
> >We have the Win2000 Server with IIS 5.0 installed.
> >Starting from some time users notify us that the access to web
applications
> >was slowed down.
> >Sometimes the page is loaded for 2 seconds and another time for 2
minutes.
> >The issue is that the slowness is only when application is accessed from
> >other computers.
> >We've created a virtual dir, places there several binary files and create
a
> >tool, which downloads these files.
> >Here's the example of the log (each record is a reading of 1Kbyte block):
> >=============================================
> >/IISTest/data1.txt
> > Packet reading: Before: 5558472 After: 5558512 Diff: 40
> > Packet reading: Before: 5558512 After: 5559444 Diff: 932
> > Packet reading: Before: 5559444 After: 5559484 Diff: 40
> > Packet reading: Before: 5559484 After: 5559484 Diff: 0
> > Packet reading: Before: 5559484 After: 5559584 Diff: 100
> > Packet reading: Before: 5559624 After: 5560325 Diff: 701
> > Packet reading: Before: 5560325 After: 5560375 Diff: 50
> >=============================================
> >As you can see, some blocks are read per 40 ms and other per 700-900ms
> >We've checked if buffering is enabled, if there's no any bandwidth
> >limitations etc. - all is Ok.
> >Using the same application on other machine with IIS 5.0 shows the
average
> >access time about 5ms
> >
> >May be someone knows what can cause such issue.
> >
> >Thanks,
> >Denis
> >
><!-- ~MESSAGE_AFTER~ --> >> Stay informed about: Very slow response from IIS 5.0 |
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External
Since: Feb 10, 2005
Posts: 5
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(Msg. 5) Posted: Fri Feb 11, 2005 7:35 am
Post subject: Re: Very slow response from IIS 5.0 [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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No, this is only a HTTP issue.
As I specified in additional post - the server-side execution of ASP page
takes less than 2 seconds and the transmit cn vary from 2 seconds to 2
minutes and even more.
Thanks,
Denis
"Kristofer Gafvert" <kgafvert RemoveThis @NEWSilopia.com> wrote in message
news:xn0dycbi2172wd9000@news.microsoft.com...
> Hi,
>
> Can you reproduce this slowness without using HTTP? Usually this is caused
> by network problems or faulty network drivers.
>
> Have you noticed any other network problems on this server, or other
> servers located on the same subnet?
>
> --
> Regards,
> Kristofer Gafvert
> <a style='text-decoration: underline;' href="http://www.gafvert.info" target="_blank">www.gafvert.info</a> - My Articles and help
<font color=purple> > <a style='text-decoration: underline;' href="http://www.ilopia.com</font" target="_blank">www.ilopia.com</font</a>>
>
>
> Zorrack wrote:
>
> > Hi,
> >
> > We have the Win2000 Server with IIS 5.0 installed.
> > Starting from some time users notify us that the access to web
> applications
> > was slowed down.
> > Sometimes the page is loaded for 2 seconds and another time for 2
> minutes.
> > The issue is that the slowness is only when application is accessed from
> > other computers.
> > We've created a virtual dir, places there several binary files and
> create a
> > tool, which downloads these files.
> > Here's the example of the log (each record is a reading of 1Kbyte
block):
> > =============================================
> > /IISTest/data1.txt
> > Packet reading: Before: 5558472 After: 5558512 Diff: 40
> > Packet reading: Before: 5558512 After: 5559444 Diff: 932
> > Packet reading: Before: 5559444 After: 5559484 Diff: 40
> > Packet reading: Before: 5559484 After: 5559484 Diff: 0
> > Packet reading: Before: 5559484 After: 5559584 Diff: 100
> > Packet reading: Before: 5559624 After: 5560325 Diff: 701
> > Packet reading: Before: 5560325 After: 5560375 Diff: 50
> > =============================================
> > As you can see, some blocks are read per 40 ms and other per 700-900ms
> > We've checked if buffering is enabled, if there's no any bandwidth
> > limitations etc. - all is Ok.
> > Using the same application on other machine with IIS 5.0 shows the
> average
> > access time about 5ms
> >
> > May be someone knows what can cause such issue.
> >
> > Thanks,
> > Denis<!-- ~MESSAGE_AFTER~ --> >> Stay informed about: Very slow response from IIS 5.0 |
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