Its quite easy. Download jvmstat and add the bin directory (bat on windows) to your
path. Run jvmps in a command window to find out the process id of your tomcat, it is
the one with Bootstrap in it. Then run visualgc with the process id.
You can also do this remotely by supplying a machine
JProbe is also a nice tool for tracking JVM behaviour. You may want to look
into it.
Nandish Rudra
ECI Conference Call Services, LLC
-Original Message-
From: Rajesh [mailto:[EMAIL PROTECTED]
Sent: Friday, August 13, 2004 1:08 AM
To: [EMAIL PROTECTED]
Subject: tomcat performance/GC with
you can always try JFluid, which is an experimental VM from sun that
has some cool profiling features.
peter
On Fri, 13 Aug 2004 09:05:51 -0400, Nandish Rudra [EMAIL PROTECTED] wrote:
JProbe is also a nice tool for tracking JVM behaviour. You may want to look
into it.
Nandish Rudra
ECI
I'm sending my JVM stack trace to see if any of you are better at
reading it than I am. ;-)
I'm guessing that you can somehow tell by looking at the stack trace
whether the connections between apache and tomcat are somehow being
held onto or locked waiting for something and not released.
those call graphs!!!
ADC
-Original Message-
From: Peter Lin [mailto:[EMAIL PROTECTED]
Sent: Mon 12/04/2004 19:53
To: Tomcat Users List
Cc:
Subject: Re: Tomcat performance issue?
luckily I have a license of Borland OptimizeIt.
What I do
I have this same problem. It creeped up without any configuration
changes on 4.1.27
It doesn't always print this error message out, but the effect is the same.
SEVERE: All threads (75) are currently busy, waiting. Increase
maxThreads (75) or check the servlet status
My apache config:
I forgot to mention that I have All threads (255) are currently busy,
not (75) which makes sense.
Daniel Gibby wrote:
I have this same problem. It creeped up without any configuration
changes on 4.1.27
It doesn't always print this error message out, but the effect is the
same.
SEVERE: All
(Xmx parm) to handle it or you will run into
OutOfMemory error which is worse than out-of-connections.
Jason
-Original Message-
From: Daniel Gibby [mailto:[EMAIL PROTECTED]
Sent: Monday, April 12, 2004 9:43 AM
To: Tomcat Users List
Subject: Re: Tomcat performance issue?
I have this same
Message-
From: Daniel Gibby [mailto:[EMAIL PROTECTED]
Sent: Monday, April 12, 2004 9:43 AM
To: Tomcat Users List
Subject: Re: Tomcat performance issue?
I have this same problem. It creeped up without any configuration
changes on 4.1.27
It doesn't always print this error message out
Daniel Gibby wrote:
Tomcat config:
Connector
className=org.apache.catalina.connector.http.HttpConnector
port=8080 minProcessors=5 maxProcessors=255
enableLookups=true redirectPort=8443
acceptCount=100 debug=0 connectionTimeout=6/
Hey, I
From my own experience, this kind of behavior appears when a session isn't getting
timed out for one reason or another. For example, say you get data from some remote
site using your own Http client libraries that is multi-threaded. If that thread sits
around and the socket it has isn't
-
From: Peter Lin [EMAIL PROTECTED]
To: Tomcat Users List [EMAIL PROTECTED]
Sent: Monday, April 12, 2004 1:07 PM
Subject: Re: Tomcat performance issue?
From my own experience, this kind of behavior appears when a session isn't
getting timed out for one reason or another. For example, say
Hi,
Once you have noticed you have a memory leak, how do you go about
locating
it?
You don't just notice it out of the blue: you typically notice it
because a profiler shows it. The same profiler shows you where it is.
Noticing and locating is typically one and the same for memory leaks.
It's
luckily I have a license of Borland OptimizeIt.
What I do is I start tomcat using OptimizeIt. Then I create a test plan in JMeter.
Once tomcat is running, I warm it up by sending it a couple hundred requests to make
sure all the pages are compiled.
before the test starts, use OptimizeIt to
]
Sent: Mon 12/04/2004 19:53
To: Tomcat Users List
Cc:
Subject: Re: Tomcat performance issue?
luckily I have a license of Borland OptimizeIt.
What I do is I start tomcat using OptimizeIt. Then I create a test plan
!!!
ADC
-Original Message-
From: Peter Lin [mailto:[EMAIL PROTECTED]
Sent: Mon 12/04/2004 19:53
To: Tomcat Users List
Cc:
Subject: Re: Tomcat performance issue?
luckily I have a license of Borland OptimizeIt
Denise Mangano wrote, On 4/9/2004 10:05 PM:
I've tried searching the archives but have come up empty-handed. A few
days ago I received a few complaints that my users hit a certain point
in the application and could go no further. This point was when Apache
gives control to Tomcat. I checked
David Rees [EMAIL PROTECTED] wrote in message
news:[EMAIL PROTECTED]
Denise Mangano wrote, On 4/9/2004 10:05 PM:
I've tried searching the archives but have come up empty-handed. A few
days ago I received a few complaints that my users hit a certain point
in the application and could go
by lsanca1-ar19-4-46-072-212.lsanca1.dsl-verizon.net with local
(Gmexim 0.1 (Debian))
id 1AlnuQ-0007hv-00
for [EMAIL PROTECTED]; Sat, 10 Apr 2004 21:45:08 +0200
X-Injected-Via-Gmane: http://gmane.org/
To: [EMAIL PROTECTED]
From: Bill Barker [EMAIL PROTECTED]
Subject: Re: Tomcat
Hi,
We have tomcat instances that run ~20 webapps without a problem. Beyond
that, we haven't tried, but then again that's why we have tools like
JMeter, no? ;)
In large part this will depend on the soundness of the application.
Especially if it's 100 of the same app, because then each memory
God save our apps from any memory leaks.
Of course we will test them for this issue. And perform stress testing
20 sounds fair enought. Frankly I don't expect too much traffic per e-shop.
Niki
Shapira, Yoav wrote:
Hi,
We have tomcat instances that run ~20 webapps without a problem. Beyond
that,
Niki Ivanchev wrote:
Have some one tested Tomcat with more than 100 webapps. For example
e-commrece solution, without many bells and whistles - jsut shopbuilder
and sopiing cart
Each webapp is based on trubine/velocity/torque. Each webapp using it's
own firebird database.
Can I expect smooth
the only way you will know is to stress test it. I would recommend doing a small test
with 10 webapps and a fair amount of load. I can tell you right now if you're not
using SSL/TSL hardware acceleration, that's going to be your bottleneck. 20-25
concurrent https requests will max out a 2ghz
Hi,
I just wanted to post my info on the subject, even though I dont have
100 hosts on a single machine.
We run near 60 hosts on one machine, in 10 instances of tomcat. memory
usage has been the biggest problem as our application use cache:ing alot
to increase performance. all of those hosts
Pardon my ignorance but how do you share one port between multiple
instances of tomcat? Are you talking launching tomcat 100 times (100
JVMs), or are you talking 100 Hosts configured in server.xml?
Adam
On 03/30/2004 05:28 PM Reynir Þór Hübner wrote:
I just wanted to post my info on the
on xp the curent process whit tomcat is process 28
uc 3 to
10%
dedicated charge 213 mo
[EMAIL PROTECTED]
administrateur http://entre-nous.qc.tc
From: Pete Stokes [EMAIL
Howdy,
I'll give my stock opinion: any benchmarks given to you by others are at
best interesting and at worst misleading, the latter being far more
likely. There's no such thing as a standard webapp, and you have to
benchmark your own webapp against your own expected user load.
Yoav Shapira
I'm planning on running a new set of benchmarks in a week or two if you can wait that
long. JMeter is getting ready to release 2.0 with quite a few enhancements, so I plan
on load testing the latest Tomcat5 with JMeter 2.0.
my plan of attack right now is to update my old addressbook webapp
Hi all!
Peter Lin wrote:
then I will throw major load at it for 48hrs generating a couple million page views.
Just out of curiosity: what is the best way to generate page views for
such a benchmark? What tools do you use?
Thanks
Phil
Howdy,
Peter Lin wrote:
then I will throw major load at it for 48hrs generating a couple
million
page views.
Just out of curiosity: what is the best way to generate page views for
such a benchmark? What tools do you use?
JMeter, as he mentioned. He's also its main developer, and it's a great
Thinking more about people experiences running their bits on different
os's etc, if they got much better results with a different combination etc.
Pete.
Shapira, Yoav wrote:
Howdy,
I'll give my stock opinion: any benchmarks given to you by others are at
best interesting and at worst
well I'm really the main developer. right now sebastian and jordi are far more active
than I am. I'm responsible for the webservice and accesslog samplers.
I wrote the accesslog sampler to do simulation testing using production access logs.
it parses common log format and generates requests.
did you read the performance article on the resources page? Remy and I compared
windows, linux and solaris. while it is far from comprehensive, it's better than
nothing. if someone donates an IBM iSeries, I'll gladly run a ton of benchmarks and
publish them :)
peter lin
Pete Stokes
doh! typo. that should a big fat NOT.
as in I'm NOT the main developer.
peter lin
Peter Lin [EMAIL PROTECTED] wrote:
well I'm really the main developer. right now sebastian and jordi are far more active
than I am. I'm responsible for the webservice and accesslog samplers.
I wrote the
well I'm biased, since I'm a commiter on JMeter. JMeter is a jakarta project and it
has quite a few features in the latest version.
JMeter now supports proxies, cookie management, header management, default parameters,
ftp protocol, jdbc protocol, java sampler, webservice, soap/xml-rpc, and
David Rees [EMAIL PROTECTED] wrote in message
news:[EMAIL PROTECTED]
Not enough difference to make it a deciding factor between the two
platforms. IMO, Tim's criteria are spot on when deciding what platform to
deploy on. Personally, I prefer Unix as I find it easier to setup and
administer.
I am about to setup Tomcat under a new Linux 2.6 kernel with 2 Athlon MP
processors. Since scheduling, threading, and SMP have been much improved
in the new kernel I wonder if it will add to performance.
I don't have anything to test the new setup with, but if anyone has good
ideas (and by good,
[I hate saying this since its rather very much like flambait but...]
If its worth anything, I haven't had enough load on any of our apps to know
whether Linux or Windows is better. Instead, look at:
*** - Maintenance - If your a windows shop - stay windows ***
- Debugging - I think
Thanks, Tim, for the even handed response.
I'm not looking for a business case to choose one or the other, however; it
is certain that our customers will be deploying our application on both
Linux and Windows (and even Solaris). I'm just looking to find out whether
or not OS service (TCP/IP
On Mon, December 15, 2003 at 9:42 am, Sean Dockery wrote:
Tim Funk [EMAIL PROTECTED] wrote in message:
[I hate saying this since its rather very much like flambait
but...]
If its worth anything, I haven't had enough load on any of our apps
to know whether Linux or Windows is better. Instead,
Howdy,
Ask Microsoft.
Yoav Shapira
Millennium ChemInformatics
-Original Message-
From: Wade Chandler [mailto:[EMAIL PROTECTED]
Sent: Monday, October 06, 2003 8:37 AM
To: 'Tomcat Users List'
Subject: RE: Tomcat performance issues with W2k - SP4
Tomcat isn't the only application. IIS
My machine too have this problem. Any solutions. I am using JDK 1.4.1 ,
Tomcat 4.1.27 and Oracle 8i.
- Original Message -
From: Benito Garcia [EMAIL PROTECTED]
To: Tomcat Users List [EMAIL PROTECTED]
Sent: Monday, October 06, 2003 5:33 PM
Subject: Tomcat performance issues with W2k - SP4
Tomcat isn't the only application. IIS suffers as well. Are you using
Server or Advanced Server? There are some major problems with Advanced
Server after installing the patch. I think you should ask MS about
this. Also check with your VM manufacturer. We have some ISAPI
applications that run
Howdy,
Just wanted to find out what the list's experience is with Tomcat
versus
Apache ? Why is one preferred over the other ?
Depends on your situation. People with lots of static files frequently
put Apache in front to handle the static files and delegate servlet/JSP
requests to tomcat. I
Hi Shapira,
Is there way to host multiple sites in Tomcat without using apache
thanks
Laxmikanth
-Original Message-
From: Shapira, Yoav [SMTP:[EMAIL PROTECTED]]
Sent: Friday, February 14, 2003 7:53 PM
To: Tomcat Users List
Subject: RE: Tomcat Performance Questions
Howdy
-Original Message-
From: Laxmikanth M.S. [mailto:[EMAIL PROTECTED]]
Sent: Friday, February 14, 2003 9:26 AM
To: Tomcat Users List
Subject: RE: Tomcat Performance Questions
Hi Shapira,
Is there way to host multiple sites in Tomcat without using apache
thanks
Laxmikanth
-Original
a simple way to do this is to replace the
AccessLogValve wit your own, then use a filter to kick
off the timer.
if you don't want the performance elapse time in the
accesslog, then you can just use a filter and not
bother with accesslogvalve.
peter
--- Garrett Dangerfield [EMAIL PROTECTED]
TC 5.x has this (accesable via JMX). I don't know if it will get
back-ported to the 4.1 branch. However, as Peter said, it is a pretty
simple Filter:
public class MyTimingFilter implements Filter {
public MyTimingFilter() {
}
public void init(FilterConfig conf){
}
public void
There is some stuff on filters for doing this on the web: do a google,
but the basic idea is you write a filter that filters the request, get
the current time, dispatches the request, filter the response, work out
the difference, and return to the browser ...
hth,
paul
On Thu, 2003-02-13 at
| Subject: Re: Tomcat Performance Measuring
|
| There is some stuff on filters for doing this on the web: do a google,
| but the basic idea is you write a filter that filters the request, get
| the current time, dispatches the request, filter the response, work out
| the difference, and return
There's a link to it on the tomcat resources page.
http://jakarta.apache.org/tomcat/resources.html
Here's a general list of what the book will contain.
1. setting performance requirements
2. building test plans
3. vm tuning options with benchmark results
4. performance consideration for data
From: Peter Lin [EMAIL PROTECTED]
Sent: Friday, February 07, 2003 6:17 AM
Subject: Re: Tomcat Performance Concerns
9. tool for generating jmeter test plan from tomcat access logs
What a great idea, that never occured to me (I haven't looked at the access
log valve much, can it include POST
: Re: Tomcat Performance Concerns
9. tool for generating jmeter test plan from tomcat access logs
What a great idea, that never occured to me (I haven't looked at the access
log valve much, can it include POST information?
I have tried to provide as much as I can and hopefully
when it's all done
Well, this is probably a holy war, but:
1. Orion is a competitor to Tomcat making benchmarks from them
automatically suspect (at the very least biased)...that URL is 2 years
old...massive changes have been made to Tomcat since
2. I have a server right now that has 20 distinct instances of
Howdy,
Tomcat performance and a reference to some benchmarks. The benchmarks
were
done in 2001 and are out of date
Very out of date. Referring to a previous (3.x) generation of Tomcat,
which is much slower than the current (4.1.x) implementation.
I haven't used Orion, but looking at their
I've been running a ton of benchmarks the last 3 weeks
for the Tomcat Performance book with Remy.
General questions like that are very hard to answer.
Most performance issues are the result of bad design
and poor administration.
If some one is telling you tomcat can't perform.
they need to back
, Yoav [mailto:[EMAIL PROTECTED]]
Sent: Thursday, February 06, 2003 10:09 AM
To: Tomcat Users List
Subject: RE: Tomcat Performance Concerns
Howdy,
Tomcat performance and a reference to some benchmarks. The benchmarks
were
done in 2001 and are out of date
Very out of date. Referring to a previous
From: Turner, John [EMAIL PROTECTED]
Sent: Thursday, February 06, 2003 10:01 AM
Subject: RE: Tomcat Performance Concerns
1. Orion is a competitor to Tomcat making benchmarks from them
automatically suspect (at the very least biased)...that URL is 2 years
old...massive changes have been
Thanks,
Tony
-Original Message-
From: Shapira, Yoav [mailto:[EMAIL PROTECTED]]
Sent: Thursday, February 06, 2003 10:09 AM
To: Tomcat Users List
Subject: RE: Tomcat Performance Concerns
Howdy,
Tomcat performance and a reference to some benchmarks. The benchmarks
were
done
[EMAIL PROTECTED] wrote:
From: Turner, John [EMAIL PROTECTED]
Sent: Thursday, February 06, 2003 10:01 AM
Subject: RE: Tomcat Performance Concerns
1. Orion is a competitor to Tomcat making
benchmarks from them
automatically suspect (at the very least
biased)...that URL is 2 years
old
Yet another performance page:
http://webperformanceinc.com/library/ServletReport/index.html
Chanan Braunstein
knovel Corp.
Web Development Manager
607-648-4770 x672
http://www.knovel.com
-
To unsubscribe, e-mail: [EMAIL
I look forward to getting a copy of your book.
What will be the book's title? Who will be your publishing company? What
is the scheduled release date?
At 11:10 2003-02-06 -0800, you wrote:
Most of this stuff is covered in the book with an
example webapp and benchmarks to show the trade off
that the OS should have for Tomcat
Many Thanks,
Tony
-Original Message-
From: Sean Dockery [mailto:[EMAIL PROTECTED]]
Sent: Thursday, February 06, 2003 3:40 PM
To: Tomcat Users List
Subject: Re: Tomcat Performance Concerns
I look forward to getting a copy of your book.
What will be the book's
: Thursday, February 06, 2003 6:40 PM
To: Tomcat Users List
Subject: Re: Tomcat Performance Concerns
I look forward to getting a copy of your book.
What will be the book's title? Who will be your publishing company? What
is the scheduled release date?
At 11:10 2003-02-06 -0800, you wrote:
Most
[mailto:[EMAIL PROTECTED]]
Sent: Thursday, February 06, 2003 3:40 PM
To: Tomcat Users List
Subject: Re: Tomcat Performance Concerns
I look forward to getting a copy of your book.
What will be the book's title? Who will be your publishing company? What
is the scheduled release date?
At 11:10 2003-02
Anecito, Anthony (HQP) [EMAIL PROTECTED] wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
Hi All,
I am looking at Tomcat for production and seeing some things that make me
question its use for production. I believe what Jakarta group is doing is
a
great thing for all of us
3:40 PM
To: Tomcat Users List
Subject: Re: Tomcat Performance Concerns
I look forward to getting a copy of your book.
What will be the book's title? Who will be your publishing company? What
is the scheduled release date?
At 11:10 2003-02-06 -0800, you wrote:
Most of this stuff is covered in
It will not have. I have the same problems with tomcat 4.0.4 and 4.1.10
-Original Message-
From: Kwok Peng Tuck [mailto:[EMAIL PROTECTED]]
Sent: Thursday, September 19, 2002 9:18 PM
To: Tomcat Users List
Subject: Re: Tomcat performance problems after a while
Consider moving to tomcat 4
Consider moving to tomcat 4, it is faster than tomcat 3. I believe
tomcat 4 was redesigned for better performance. Also maybe there is some
code segement in the jsp that is eating up a lot of time, so maybe you
could get someone (if you're not the author of the page) to check it out.
Rafael
Well, half right :-).
The 3.2.x line is known to have memory leaks. Upgrading to Tomcat 3.3.1 is
probably enough. For web-apps that don't require the Servlet-2.3/JSP-1.2
features, it is usually at least as fast as TC 4.0.x. TC 4.1.x has
optimizations in the JSP compiler that are unlikely to
Correct me if I am wrong, but isn't Tomcat designed for low loads not heavy
loads? I think you may need to look into a commercial product. Bealogic and
IBM Websphere I hear are good ones.
-Original Message-
From: michael wimmer [mailto:[EMAIL PROTECTED]]
Sent: Monday, August 12, 2002
-Ursprüngliche Nachricht-
Von: Wills, Mike N. (TC) [mailto:[EMAIL PROTECTED]]
Gesendet: Montag, 12. August 2002 23:30
An: 'Tomcat Users List'
Betreff: RE: tomcat performance and load capability
Correct me if I am wrong, but isn't Tomcat designed for low loads not
heavy
loads? I think you may
- Our provider has uttered that running it on two machines (Solaris),
one containing the apache web server, the other server hosting tomcat
would be the way to do it. Since only a few popup's are HTML and all
other pages have to be handled by Tomcat anyway (I would say more than
80% off
On Mon, 12 Aug 2002, Michael Locasto wrote:
Date: Mon, 12 Aug 2002 17:58:23 -0400
From: Michael Locasto [EMAIL PROTECTED]
Reply-To: Tomcat Users List [EMAIL PROTECTED]
To: Tomcat Users List [EMAIL PROTECTED]
Subject: Re: tomcat performance and load capability
- Our provider has
Hi Sean,
My problem is that my sys admin person who needs to deploy this system
on a production box is concerned that Tomcat cannot be performant enough
to satisfy the high volume of requests on the server. He is convinced
that Tomcat is loaded every time anyone accesses the html, even
If you disable the database connection, the time is still long?
Are you sure is not a db problem?
Hi
- Original Message -
From: Power-Netz (Schwarz) [EMAIL PROTECTED]
To: Tomcat Users List [EMAIL PROTECTED]
Sent: Friday, June 14, 2002 11:59 AM
Subject: AW: Tomcat performance issues
Let's hope that it will also work for applications without acts of god...
-Message d'origine-
De : Trenton D. Adams [mailto:[EMAIL PROTECTED]]
Envoyé : sam. 15 juin 2002 0:06
À : 'Tomcat Users List'
Objet : Tomcat Performance is good!
I've recently been doing some fiddling with
That is interesting. I always thought perl was better for big text
searches...
Did you give it a database backend?
What API are you using for the search?
Or is your performance improvement strictly due to the precompiled
always-on nature of servlets (as opposed to interpreted perl)?
-August
Of course, the bottleneck here would be the full-text search application
(its algorithm and implementation) and not Tomcat vs.vanilla CGI (I'm
assuming that Perl search stuff is a regular Perl CGI).
Otis
___
Sign up for FREE iVillage
my knowledge. LOL
-Original Message-
From: August Detlefsen [mailto:[EMAIL PROTECTED]]
Sent: June 14, 2002 5:30 PM
To: Tomcat Users List
Subject: RE: Tomcat Performance is good!
That is interesting. I always thought perl was better for big text searches...
Did you give it a database
: August Detlefsen [mailto:[EMAIL PROTECTED]]
Sent: June 14, 2002 5:30 PM
To: Tomcat Users List
Subject: RE: Tomcat Performance is good!
That is interesting. I always thought perl was better for big text searches...
Did you give it a database backend?
What API are you using for the search?
Or is your
Use a tool like Optimizeit from Borland or wrap your methods in
System.currentTimeMillis(). That will at least help you narrow down your
search.
Good luck,
Subir
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Thursday, June 13, 2002 4:35 PM
To: [EMAIL
you can try it out in 4.1.4 when the binaries are released. a new
version of tag pooling, which is cleaner has already beed added. Once
the tires are kicked a bit, it should be in the first official 4.1.x
release.
peter
As I see there is no tag pooling support as of now in 4.x.
If my memory
Are you using tomcat 4.0.3 _ jdk1.4 on Solaris?
If so, there is a bug with sun.tools.javac.Main that hits performance
and jsp page compilation.
In general, JSP tag performance is slower than pages with scriplets. In
the last 2 months there have been patches and changes to jasper which
improve
Hi,
Just a shot in the dark because you sound pretty well versed in JSP, but
were your pages pre-compiled?
If not, they compile the first time they are called, that adds significantly
to loading time.
If it looks like class lookup was the bottleneck, was the slowdown on the
first call to the
Hi, Sorry mail client got corrupted, so just copied your mail and
see inline for answers
For Peter:
Are you using tomcat 4.0.3 _ jdk1.4 on Solaris?
NOPE!! Using Linux 6.1 RH
1. pages with lots of tags (50+) do not perform well under load
2. pages with 100+ tags may not compile due to 64K per
On Tue, 11 Jun 2002, peter lin wrote:
There are a couple things that will improve the situation. When tomcat
4.0.4 comes out, it has a recent patch which fixes deeply nested
try/catch. Also, tomcat 4.0.4 has a new httpconnector called coyote.
Together the performance improves dramatically
Hi, Sorry mail client got corrupted, so just copied your mail and
see inline for answers
Are you using tomcat 4.0.3 _ jdk1.4 on Solaris?
NOPE!! Using Linux 6.1 RH
1. pages with lots of tags (50+) do not perform well under load
2. pages with 100+ tags may not compile due to 64K per method
Hi, Sorry mail client got corrupted, so just copied your mail and
see inline for answers
Hope I am not sending it for the 4th time, b'cos my mail client has been crashing...
sorry guys
Are you using tomcat 4.0.3 _ jdk1.4 on Solaris?
NOPE!! Using Linux 6.1 RH
1. pages with lots of tags
Hanks Mei wrote:
Hi, Sorry mail client got corrupted, so just copied your mail and
see inline for answers
For Peter:
Are you using tomcat 4.0.3 _ jdk1.4 on Solaris?
NOPE!! Using Linux 6.1 RH
1. pages with lots of tags (50+) do not perform well under load
2. pages with 100+ tags
Quoting peter lin [EMAIL PROTECTED]:
Hanks Mei wrote:
Hi, Sorry mail client got corrupted, so just copied your mail and
see inline for answers
For Peter:
Are you using tomcat 4.0.3 _ jdk1.4 on Solaris?
NOPE!! Using Linux 6.1 RH
1. pages with lots of tags (50+) do
Hanks Mei wrote:
Well try this approach before deployment. Thanks for the tip peter.
But right now I just have a small page with 4-5 tag libraries. which just retrieve
information
from a bean(where data is hard coded) and displayed in the page.
when you say hard coded I am interpreting
peter lin wrote:
Are you using tomcat 4.0.3 _ jdk1.4 on Solaris?
If so, there is a bug with sun.tools.javac.Main that hits performance
and jsp page compilation.
In general, JSP tag performance is slower than pages with scriplets. In
the last 2 months there have been patches and changes
Hanks Mei wrote:
Hi,
I have been trying to analyze the
performance of my application(Jsp pages with tag libraries)
in tomcat4.0.3+ jdk1.4
But I was astonished to find that, the time taken for
the pages to be served was varying between 90ms to 2200ms.
The test jsp page is a
Remy Maucherat wrote:
4.0.4 doesn't have the try/catch nesting patch, as it is a major change.
None of the changes and improvements made in Jasper 2 were ported to
Jasper 1.
Remy
my apologies for giving out wrong information. I have multiple version
running on my box and it's getting
peter lin wrote:
Remy Maucherat wrote:
4.0.4 doesn't have the try/catch nesting patch, as it is a major change.
None of the changes and improvements made in Jasper 2 were ported to
Jasper 1.
Remy
my apologies for giving out wrong information. I have multiple version
running on my
Quoting Rick Fincher [EMAIL PROTECTED]:
Hi,
Just a shot in the dark because you sound pretty well versed in JSP,
but
were your pages pre-compiled?
I have not yet tried with that. Will try and update ASAP.
If not, they compile the first time they are called, that adds
significantly
to
Are you loading a bean with scope=request? If so, this could cause a
problem.
-Original Message-
From: Hanks Mei [mailto:[EMAIL PROTECTED]]
Sent: June 11, 2002 9:17 AM
To: [EMAIL PROTECTED]
Subject: Re:+Tomcat+Performance??
Quoting Rick Fincher [EMAIL PROTECTED]:
Hi,
Just
, 2002 9:17 AM
To: [EMAIL PROTECTED]
Subject: Re:+Tomcat+Performance??
Quoting Rick Fincher [EMAIL PROTECTED]:
Hi,
Just a shot in the dark because you sound pretty well versed in JSP,
but were your pages pre-compiled?
I have not yet tried with that. Will try and update ASAP
Quoting peter lin [EMAIL PROTECTED]:
Hanks Mei wrote:
Well try this approach before deployment. Thanks for the tip peter.
But right now I just have a small page with 4-5 tag libraries. which
just retrieve information
from a bean(where data is hard coded) and displayed in the page.
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