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Posted to users@tomcat.apache.org by Stephen Charles Huey <st...@fastmail.fm> on 2004/07/14 18:28:43 UTC
manager app: sessions
I have read the Manager App HOW-TO at
http://jakarta.apache.org/tomcat/tomcat-4.0-doc/manager-howto.html
So, I'm accessing the following URL just like the example shows:
https://www.(mydomain).com/manager/sessions?path=/ristmain
I'm trying to interpret these results:
OK - Session information for application at context path /ristmain
Default maximum session inactive interval 30 minutes
30 - <40 minutes:100 sessions
120 - <130 minutes:1071 sessions
My main question is, does Tomcat update these numbers in realtime, or
only once in a while (like every 10 minutes)? I'm wondering why it says
30 - <40 minutes...? I logged into the web app as another user and that
100 didn't increase. It's hard for me to tell if my logging in was
counted later on just because real users are logging in and out all the
time. I guess the most important thing I need to know here is how long
I should wait to take another sampling...wait 10 minutes each time, or
what? If it says 100 sessions, then that means within the past half an
hour (or 40 minutes?), there have been a total of about 100 users logged
in, right?
Are these the only statistics available about sessions? Would I have to
customize Tomcat to find out more?
Thanks,
Stephen
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Re: manager app: sessions
Posted by Robert Bateman <bo...@sequoiallc.com>.
Stephen,
I do not know if my "interpretation" of how TomCat tracks sessions is correct.
Normally, I look at the number of sessions as listed on the /manager/html
page. But my interpretation could be *completely wrong...*
Bob
On Wednesday 14 July 2004 01:57 pm, Stephen Charles Huey wrote:
> What? I can only find out how many sessions have been active for 30 to
> <40 minutes and 120 to <130 minutes? That doesn't seem to make sense.
> I understand if Tomcat doesn't want to update the stats too frequently,
> but what about stats on sessions logged in more than 40 minutes and less
> than 2 hours? Why would it arbitrarily jump up to 2 hours? And how
> likely is it that I have only 100 users who have been active for a total
> of exactly 30 to 40 minutes, but 1071 users who have been active for
> over 2 hours? If my timeout is set to 30 minutes, then that means they
> have to keep browsing the site at least every 30 minutes to avoid
> getting timed out. So is what you're saying right?
>
> 30 - <40 minutes:100 sessions
> 120 - <130 minutes:1071 sessions
>
> I mainly need to know about how many sessions are currently open. I
> thought that first line meant that about 100 sessions have been opened
> in the past half hour, give or take 10 minutes. Is this not true?
>
>
> ----- Original message -----
> From: "Robert Bateman" <bo...@sequoiallc.com>
> To: "Tomcat Users List" <to...@jakarta.apache.org>
> Date: Wed, 14 Jul 2004 13:29:33 -0400
> Subject: Re: manager app: sessions
>
> Stephen,
>
> If I understand what your asking, you are looking at statistics
> generated by
> Tomcat that tells you how many *active* sessions are still laying around
> inside the server. But the first row tells you about sessions that have
> been
> alive between 30 and 40 minutes. You logged in but your session was
> active
> *way* under the 30 minute lower limit for the stats one line 1.
>
> Bob
>
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Re: manager app: sessions
Posted by Stephen Charles Huey <st...@fastmail.fm>.
What? I can only find out how many sessions have been active for 30 to
<40 minutes and 120 to <130 minutes? That doesn't seem to make sense.
I understand if Tomcat doesn't want to update the stats too frequently,
but what about stats on sessions logged in more than 40 minutes and less
than 2 hours? Why would it arbitrarily jump up to 2 hours? And how
likely is it that I have only 100 users who have been active for a total
of exactly 30 to 40 minutes, but 1071 users who have been active for
over 2 hours? If my timeout is set to 30 minutes, then that means they
have to keep browsing the site at least every 30 minutes to avoid
getting timed out. So is what you're saying right?
30 - <40 minutes:100 sessions
120 - <130 minutes:1071 sessions
I mainly need to know about how many sessions are currently open. I
thought that first line meant that about 100 sessions have been opened
in the past half hour, give or take 10 minutes. Is this not true?
----- Original message -----
From: "Robert Bateman" <bo...@sequoiallc.com>
To: "Tomcat Users List" <to...@jakarta.apache.org>
Date: Wed, 14 Jul 2004 13:29:33 -0400
Subject: Re: manager app: sessions
Stephen,
If I understand what your asking, you are looking at statistics
generated by
Tomcat that tells you how many *active* sessions are still laying around
inside the server. But the first row tells you about sessions that have
been
alive between 30 and 40 minutes. You logged in but your session was
active
*way* under the 30 minute lower limit for the stats one line 1.
Bob
On Wednesday 14 July 2004 12:28 pm, Stephen Charles Huey wrote:
> I have read the Manager App HOW-TO at
> http://jakarta.apache.org/tomcat/tomcat-4.0-doc/manager-howto.html
>
> So, I'm accessing the following URL just like the example shows:
> https://www.(mydomain).com/manager/sessions?path=/ristmain
>
> I'm trying to interpret these results:
> OK - Session information for application at context path /ristmain
> Default maximum session inactive interval 30 minutes
> 30 - <40 minutes:100 sessions
> 120 - <130 minutes:1071 sessions
>
> My main question is, does Tomcat update these numbers in realtime, or
> only once in a while (like every 10 minutes)? I'm wondering why it says
> 30 - <40 minutes...? I logged into the web app as another user and that
> 100 didn't increase. It's hard for me to tell if my logging in was
> counted later on just because real users are logging in and out all the
> time. I guess the most important thing I need to know here is how long
> I should wait to take another sampling...wait 10 minutes each time, or
> what? If it says 100 sessions, then that means within the past half an
> hour (or 40 minutes?), there have been a total of about 100 users logged
> in, right?
>
> Are these the only statistics available about sessions? Would I have to
> customize Tomcat to find out more?
>
> Thanks,
> Stephen
>
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---------------------------------------------------------------------
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Re: manager app: sessions
Posted by Robert Bateman <bo...@sequoiallc.com>.
Stephen,
If I understand what your asking, you are looking at statistics generated by
Tomcat that tells you how many *active* sessions are still laying around
inside the server. But the first row tells you about sessions that have been
alive between 30 and 40 minutes. You logged in but your session was active
*way* under the 30 minute lower limit for the stats one line 1.
Bob
On Wednesday 14 July 2004 12:28 pm, Stephen Charles Huey wrote:
> I have read the Manager App HOW-TO at
> http://jakarta.apache.org/tomcat/tomcat-4.0-doc/manager-howto.html
>
> So, I'm accessing the following URL just like the example shows:
> https://www.(mydomain).com/manager/sessions?path=/ristmain
>
> I'm trying to interpret these results:
> OK - Session information for application at context path /ristmain
> Default maximum session inactive interval 30 minutes
> 30 - <40 minutes:100 sessions
> 120 - <130 minutes:1071 sessions
>
> My main question is, does Tomcat update these numbers in realtime, or
> only once in a while (like every 10 minutes)? I'm wondering why it says
> 30 - <40 minutes...? I logged into the web app as another user and that
> 100 didn't increase. It's hard for me to tell if my logging in was
> counted later on just because real users are logging in and out all the
> time. I guess the most important thing I need to know here is how long
> I should wait to take another sampling...wait 10 minutes each time, or
> what? If it says 100 sessions, then that means within the past half an
> hour (or 40 minutes?), there have been a total of about 100 users logged
> in, right?
>
> Are these the only statistics available about sessions? Would I have to
> customize Tomcat to find out more?
>
> Thanks,
> Stephen
>
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