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ht
So, I looked at JMX Console and see that under RequestProcessor for Catalina
it shows all the HTTP request processor threads. And, for each, it shows an
attribute called "requestProcessingTime" which I think is the time it took
to process that request. So, I was thinking to write a script to que
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> From: wicket0123 [mailto:[EMAIL PROTECTED]
> [W]e want every request to be processed within 25
> millisecods.
[...]
> 2. Ad server process the request which include app. code and
> talking to DB
Your database communication, queries and data will have to be very, very
heavily optimised if you wa
L PROTECTED]>
To:
Sent: Friday, March 28, 2008 4:44 PM
Subject: Re: Checking tomcat metrics in a non-intrusive way
>
> First, thank you all for the responses. They are all good.
>
> Rainer, I'm actually doing something similar to what you suggested. I
wrote
> a script t
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Wicket,
wicket0123 wrote:
| Since we cannot control anything that happens after a request leaves the
| server, we want every request to be processed within 25 millisecods. The
| order of execution is very simple:
|
| 1. Client send ad request with s
start.
>
> Regards,
>
> Rainer
>
> -
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Peter,
Peter Crowther wrote:
|> If I ping www.google.com from my home computer, I get a 14.593ms
|> average roundtrip time.
|
| Lucky you. It's rare I see under 200.
Google must have a shipping container full of servers somewhere in my
neighborhood
> From: Christopher Schultz [mailto:[EMAIL PROTECTED]
> wicket0123 wrote:
> | JMeter reports that for 500 concurrent users making request to our
> | application, the average response time was 1 second. That already
> | broke our SLA which is 15 milliseconds.
I presume you've already done such obv
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Wicket,
wicket0123 wrote:
| If the container adds a lot of overhead, we may want to
| switch to other containers.
The only container I know that people claim to have less overhead is
Jetty. You will have the same problem instrumenting /that/ as well
wicket0123 schrieb:
I want to check tomcat response time for requests when I run, say 500
concurrent users, on the server. I use the default setttings for tomcat
which means my maxThreads = 40.
I have read from some articles suggesting to use JMX Console to monitor
tomcat. But, then i read fro
In the real world what network connections will exist between you and
your real clients?
How many ports do you have on your server?
How fast are they?
How big are the pages being requested? Including images, css files etc?
If you have 500 concurrent users will you have 500 times the traffic
ACgkQ9CaO5/Lv0PCYHQCfa+hDE77eSM476JmIqVpv2/ed
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> From: Christopher Schultz [mailto:[EMAIL PROTECTED]
> Subject: Re: Checking tomcat metrics in a non-intrusive way
>
> Rest assured that reading the system clock is /very/ fast. ;)
Well... not always, these days. On multi-socket systems, if the system
architecture guarantees tha
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Wicket,
wicket0123 wrote:
| Hi Charles,
| Thanks for the reply. JMeter doesn't help me here because the
response
| time includes network time. The reason I'm looking into the tomcat API is
| because i want a way to query tomcat for the numbers
> From: wicket0123 [mailto:[EMAIL PROTECTED]
> Subject: RE: Checking tomcat metrics in a non-intrusive way
>
> JMeter doesn't help me here because the response
> time includes network time.
Which is exactly why I suggested running JMeter on the same LAN segment,
if not t
tomcat? no network
2) How much time was spend on the servlet?
3) What is the overall average response time for a request when there are X
number of users active?
Caldarale, Charles R wrote:
>
>> From: wicket0123 [mailto:[EMAIL PROTECTED]
>> Subject: Checking tomcat metrics in a n
> From: wicket0123 [mailto:[EMAIL PROTECTED]
> Subject: Checking tomcat metrics in a non-intrusive way
>
> I want to check tomcat response time for requests when I run,
> say 500 concurrent users, on the server.
Any measurements made within Tomcat itself are going to have
best way to go w/o
purchasing any commercial software?
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