tag pooling question

2002-03-27 Thread peter lin
Does anyone know who wrote the tag pool implementation for TC3.3? I am considering port/merging the TC3.3 tag pool code to TC4.0.x jasper. I've been doing benchmarks with TC4.0.3 with and without coyote. With JSTL getting close to release, I feel it would be a great benefit, since pages that

Re: tag pooling question

2002-03-27 Thread peter lin
that barely squeezes under the 64K limit. Under moderate load it runs like a dog. When I break it up into smaller pages using action include, it runs much better. http://www.mail-archive.com/tomcat-dev@jakarta.apache.org/msg24054.html Cheers, Larry Peter lin -- To unsubscribe, e-mail: mailto

Re: tag pooling question

2002-03-28 Thread peter lin
. peter lin [EMAIL PROTECTED] wrote: The most usefull tools are OptimizeIt and ab. Simple pages would help much better then complex pages - first find out what's the overhead of executin a simple JSP page, with no tags, compare it with the equivalent servlet ( HelloWorld ), and find out what's

Re: Jasper2

2002-04-03 Thread peter lin
I don't mind. I plan on writing a clean site from scratch for doing the performance evaluation. The test pages I used to perform the previous tests will only work for tomcat 4.0. Which is why I plan on writing a new demo site from scratch for my own testing purposes. My existing test pages are

Re: [PATCH] Re: [PROPOSAL] Modification of the code generated by Jasper2

2002-04-30 Thread peter lin
commands, e-mail: mailto:[EMAIL PROTECTED] peter lin -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]

Re: [PATCH] Re: [PROPOSAL] Modification of the code generated by Jasper2

2002-04-30 Thread peter lin
a dozen or so tags. I will do more tests using coyote a later in the week. Once I have that data, I will post it. peter lin Remy Maucherat wrote: I just ran a quick test using the test pages I used earlier for benchmarking, and the results are very positive. Thanks to Denis for patch

Re: [Proposal] Removing 64K limit in jasper 2

2002-05-27 Thread Peter Lin
at the work on jasper recently and comparing it to the older tag pooling in 3.3, I lean towards using the state machine idea. Though it also has a limit for high concurrency, but those situations really should go with a non-tag solution to reduce overhead. peter lin

Re: [Proposal] Removing 64K limit in jasper 2

2002-05-28 Thread peter lin
Remy Maucherat wrote: I've been giving this topic considerable thought for the last month. Now that JSTL is getting close to official release, performance may become a bigger issue. I've been evaluating JSTL and experimenting with using it for complex rendering logic. From what

Re: cvs commit: jakarta-tomcat-jasper/jasper2/src/share/org/apache/jasper Constants.java

2002-05-30 Thread peter lin
hey remy, is this patch included in 4.1.3? If so I'll test it out with the JSTL pages I have. peter [EMAIL PROTECTED] wrote: remm02/05/29 17:02:35 Modified:jasper2/src/share/org/apache/jasper Constants.java Log: - The suggested amount was actually 512. - Patch

Re: cvs commit: jakarta-tomcat-jasper/jasper2/src/share/org/apache/jasper Constants.java

2002-05-30 Thread peter lin
I'll give it a run through later today when I get home. too many things to do at work right now. thanks for the info. peter Remy Maucherat wrote: hey remy, is this patch included in 4.1.3? No. Reusing the buffers and tags is the more interesting optimization. However, it still

Re: [PROPOSAL] Tag pooling/reuse in Jasper 2

2002-06-03 Thread peter lin
due to GC as everyone already knows. Increasing the heap size to 512 from the default results in increasing 2-3x the concurrent requests. peter lin Kin-Man Chung wrote: I think it a good idea to limit the stacks to some reasonable value. One easy way of accomplishing this is to add a tag

Re: [Jasper 2] Tag reuse problems

2002-06-10 Thread peter lin
I'll test it against my JSTL tag pages and see how it works. peter Remy Maucherat wrote: Hi, The recent tag reuse changes appear to be great, but seem to have the disadvantage of breaking existing tags (for example, the Foo tag in the examples, as well as two of the tags from the admin

Re: New test milestone: 4.1.4

2002-06-10 Thread peter lin
I ran a quick test of 4.1.4 with JSTL tags and I am getting an exception with import tag. org.apache.jasper.JasperException: Unable to compile class for JSP An error occurred at line: -1 in the jsp file: null Generated

Re: tracking memory usage over time

2003-02-14 Thread Peter Lin
Is there any particular reason the pages are recompiled frequently? If you're using tomcat 4.1.12 or newer, it should use Ant to compile the pages, which should get around the issue of memory leak due to page compilation. peter --- Aditya [EMAIL PROTECTED] wrote: I have the following JSP

Re: [5.0.1-dev] Testing with JRockit 8

2003-02-14 Thread Peter Lin
I just ran a half dozen benchmarks with bea JRockit jdk1.4.1 for linux. The performance was better until it locked up bad and required a hard reset. One thing I noticed is the memory usage was almost double and the CPU usage was also higher. The numbers were consistently better than both sun

Re: Object pooling performance

2003-07-09 Thread Peter Lin
Costin Manolache [EMAIL PROTECTED] wrote: On the other hand, I've seen pages where JSP tag pooling was worse. That's why I think per page customization, and supporting per-thread pooling are very important. This is a fine-tune operation for pages that are frequently accessed, not a one size

memory leak in 4.1.5?

2002-06-24 Thread peter lin
i just did some quick tests with scriptlet and jsp tag pages. Both result in out of memory error after a couple hundred hits using JMeter for benchmarking. Has anyone else seen this? peter lin -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL

more on memory leak 4.1.5

2002-06-25 Thread peter lin
, though it could be a combination of changes to catalina and jasper2. if I have time later today or tomorrow I will try to use JProbe and profile the memory usage. I'll post any useful data I find. peter --- Remy Maucherat [EMAIL PROTECTED] wrote: peter lin wrote: i just did some quick tests

jasper2

2002-06-25 Thread peter lin
hey remy, did this CVS commit http://www.mail-archive.com/tomcat-dev@jakarta.apache.org/msg29253.html, fix the bug where FileNotFoundException is thrown because the working directory was deleted for force a refresh? peter -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional

Re: [4.1.6] New milestone release soon

2002-06-27 Thread peter lin
hey remy, I'll send you more information in a hour with more details. I haven't been able to find time to run the JProbe thread analyzer tests, but I can atleast send you the test JSTL pages and JMeter settings I am using to reproduce it. If that is cool with you, I'll get the files together

Re: [4.1.6] New milestone release soon

2002-06-27 Thread peter lin
I haven't ruled out JSTL as a cause since my test show it is memory intensive. I doubt it is JSTL alone, but it could be a combination. I've produced the bug with jdk1.3.1 on both windows and solaris. I sent you additional information and the exception I am getting. It's probably not going to

Re: [4.1.6] New milestone release soon

2002-06-27 Thread peter lin
Here is a bit more information on why I haven't ruled out JSTL or 1.2 JSP tags as a possible cause. 1. the standard examples all run fine and do not exhibit a memory leak, including the simpletag example. 2. the other person experiencing memory leak is also using JSP tags extensively. 3. my

Re: [4.1.6] New milestone release soon

2002-06-27 Thread Peter Lin
hey remy, I am running JProbe now. finally I have time to run the test. If I find anything I'll post it. peter --- Remy Maucherat [EMAIL PROTECTED] wrote: Glenn Nielsen wrote: I have been able to reproduce the memory leak with the following config: Apache

Re: [4.1.6] New milestone release soon

2002-06-27 Thread Peter Lin
after 3 hours of trying to get JProbe to run correctly I give up. It's 12am and I'm too tired. If anyone knows how to get tomcat 4.1.5, jasper2 and JProbe profiler to work correctly I'll try to run the tests. since jasper2 uses ANT and I don't see how to pass Java_home from jprobe to the shell

Re: Valves, requests and getting the session

2002-06-30 Thread Peter Lin
, ValveContext context) Also, why are you casting HttpSession to HttpRequest? That should cause an exception since HttpServletRequest extends ServletRequest and HttpSession doesn't extend either interface. peter lin __ Do You Yahoo!? Yahoo

Re: That Cookie thing

2002-07-01 Thread peter lin
if you want the cookies to be readable by all pages, you should set it to /. That's standard practice. Also, if you have multiple webserver with names like www1, www2, www3., you should also set the cookie to use yourbiz.com. peter John Baker wrote: It appears if you don't set a path

Re: That Cookie thing

2002-07-01 Thread peter lin
is supposed to be set. Some one correct me if I am wrong. peter John Baker wrote: On Monday 01 July 2002 12:59, peter lin wrote: if you want the cookies to be readable by all pages, you should set it to /. That's standard practice. Also, if you have multiple webserver with names like www1

Re: That Cookie thing

2002-07-01 Thread peter lin
John Baker wrote: Well a reliable source tells me that there is no w3c spec for Cookies, and infact the concept was conjured by Netscape. There is an RFC spec for Cookies, but it's largely ignored. So as the useful browsers out there ignore Cookie requests without a path, it might be

Re: [ANNOUNCEMENT] Tomcat 4.1.7 Beta

2002-07-09 Thread peter lin
Some interesting performance results. I found some time to test my webapp a bit more with 4.1.7 and discovered a performance difference. when I benchmark my webapp using 4.1.7 w/ jdk131 on solaris 8 I get an average response time of 490ms, and a low number of 460ms. when I swith to jdk141, I

Re: [ANNOUNCEMENT] Tomcat 4.1.7 Beta

2002-07-09 Thread peter lin
which contribute to the performance enhancement. peter Remy Maucherat wrote: peter lin wrote: Some interesting performance results. I found some time to test my webapp a bit more with 4.1.7 and discovered a performance difference. when I benchmark my webapp using 4.1.7 w/ jdk131

AccessLogValve

2002-07-18 Thread peter lin
I was considering extending AccessLogValve to add the responsetime to the access log, but it looks like the class is declared final. Is there a reason why this is so? Is there a more appropriate logvalve that is designed to be extended? thanks in advance. peter -- To unsubscribe, e-mail:

webapp

2002-07-22 Thread peter lin
to specific path in server.xml. thanks in advance. peter lin -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]

webapp name question?

2002-07-22 Thread peter lin
to specific path in server.xml. thanks in advance. peter lin -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]

Re: webapp

2002-07-22 Thread peter lin
twice. If I print out event.getSource() the objects are different. Can someone verify if this is a bug? peter lin peter lin wrote: Does anyone know how to get the webapp name from ServletContext? Here is a quick description of what i am trying to do. I have a webapp that i want to load

Re: Announcing the JSP 2.0 Preview EA1 Implementation

2002-07-23 Thread peter lin
can any provide a link to a working draft of the spec if it is availabe? I'd like to compare the Expression language portion against the JSTL spec. peter lin Mark Roth wrote: For those of you tracking the JSP 2.0 specification, we are pleased to announce the availability of an Early

Re: Announcing the JSP 2.0 Preview EA1 Implementation

2002-07-23 Thread peter lin
finally found the page for the spec. http://jcp.org/aboutJava/communityprocess/review/jsr152/index.html in case anyone else doesn't want to spend 10 minutes looking for the spec. peter peter lin wrote: can any provide a link to a working draft of the spec if it is availabe? I'd like

bug #11043

2002-07-24 Thread peter lin
http://nagoya.apache.org/bugzilla/show_bug.cgi?id=11043 hey remmy, I was thinking of debugging the bug I reported earlier this week. Can you give me any tips as to where to look, so that I can fix it and submit a patch for it this weekend? thanks peter lin -- To unsubscribe, e-mail

Re: bug #11043

2002-07-25 Thread peter lin
in web.xml and fires the event twice. peter lin peter lin wrote: http://nagoya.apache.org/bugzilla/show_bug.cgi?id=11043 hey remmy, I was thinking of debugging the bug I reported earlier this week. Can you give me any tips as to where to look, so that I can fix it and submit a patch

ServletContextListener bug #11043

2002-07-29 Thread peter lin
changing the default root path from ROOT to some other myapp path? peter lin -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]

Re: ServletContextListener bug #11043

2002-07-29 Thread peter lin
in server.xml. Greetings! Simon the bug appears in 4.0.3, 4.0.4 and 4.1.8. Perhaps someone with better knowledge of how tomcat loads the webapps could chime in. I am willing to dedicate my own time to patching this. peter lin -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED

Re: ServletContextListener bug #11043

2002-07-29 Thread peter lin
thanks craig for clarifying that. I'll stick with using symlinks, since a fix would be a big task. peter lin Craig R. McClanahan wrote: What you describe isn't a bug -- it's a direct consequence of the way auto-mount works in the appBase directory of a Host (i.e. the webapps directory

Re: New coyote branch

2002-07-31 Thread Peter Lin
I believe remmy is on vacation and is moving to france :) I guess someone else will have to do it. peter Justyna Horwat wrote:I looked in jakarta-tomcat-connectors and it doesn't look like jakarta-tomcat-connectors has been branched yet. I checked the archives and saw the vote results

documentation

2002-08-02 Thread Peter Lin
of the config related pages and didn't see any documentation on it. peter lin __ Do You Yahoo!? Yahoo! Health - Feel better, live better http://health.yahoo.com -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail

Re: documentation

2002-08-03 Thread Peter Lin
servers also. peter --- Craig R. McClanahan [EMAIL PROTECTED] wrote: On Fri, 2 Aug 2002, Peter Lin wrote: Date: Fri, 2 Aug 2002 12:31:28 -0700 (PDT) From: Peter Lin [EMAIL PROTECTED] Reply-To: Tomcat Developers List [EMAIL PROTECTED] To: Tomcat Developers List [EMAIL PROTECTED

Re: Proposal - documentation for configuring ServletContextListener

2002-08-14 Thread Peter Lin
the documentation, though one would think having it on the same site would make life easier for developers. not everyone has the time to search the net for information, especially if they have a deadline. peter --- Peter Lin [EMAIL PROTECTED] wrote: I've written a short document on configuring

jasper2 tag validation?

2002-09-17 Thread peter lin
-man, Luehe or Remy can answer this question. peter lin -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]

Re: jasper2 tag validation?

2002-09-17 Thread peter lin
I just figured it out. In JSTL's standard.jar it contains a copy of the .tld files. Even though I added varStatus as an attribute to the copy in /WEB-INF/x.tld, it was going by the copy in the jar. Once I deleted the tld file in the jar, it worked fine. why the change in 4.1.10? peter lin

Re: Jasper 2 Question

2002-09-20 Thread peter lin
I would also like to see the comments in jasper1 ported over to jasper2. Now if only I didn't need sleep, I'd do it myself and submit a patch. the code changed quite a bit between jasper1 and jasper2. the class responsible is in jasper/compiler/Generator in case you get the urge to port the

Re: JSP Compilation Problem: Tomcat 4.1.12

2002-10-02 Thread peter lin
if you're using jdk 1.4, you have to have package names for your classes. If you do not, it won't load the class correctly. have you tried giving your classes a package name and trying it again? peter Sexton, George wrote: I posted this several days ago on tomcat-user and haven't gotten

[Possible bug with jspc]

2002-10-02 Thread peter lin
provide any insight? peter lin -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]

Re: [Possible bug with jspc]

2002-10-02 Thread peter lin
. peter lin wrote: I spent the last two days trying to use JspC to compile an entire webapp and came across a problem. I'm not sure if this is a bug or not, but I can reproduce it every time. I'm still trying to track down the cause, but I thought I'd post a question and maybe some one

Re: 4.1.12 JSPC question

2002-10-02 Thread peter lin
. peter lin peter lin wrote: after a lot of digging, I tracked part of the problem down to jakarta string taglib. once I removed that from my file, it correctly compiles the jsp page. I'm working on tracking down the exact cause, but it might be an issue with jsp 1.1 tags. JSTL 1.2 compliant

Re: DO NOT REPLY [Bug 13392] - When tag pooling is enabled, release() is not called on tag instances

2002-10-10 Thread peter lin
release() would be an quick and easy fix. maybe I'm just over simplifying the problem. peter lin [EMAIL PROTECTED] wrote: DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG RELATED COMMENTS THROUGH THE WEB INTERFACE AVAILABLE AT http://nagoya.apache.org/bugzilla/show_bug.cgi?id=13392. ANY

AccessLog weirdness

2002-11-04 Thread peter lin
/4.7 [en] (WinNT; U) Now it gets more complicated. If I use Mozilla, or IE6, this behavior is not present and the access log only has one entry per page view. Is this a HTTP1.0 spec, netscape 4.7 or tomcat issue/bug? Thanks in advance to anyone that provides a clue. peter lin -- To unsubscribe

Re: JSPC problems with webapp option

2002-11-06 Thread peter lin
Although I'm just a user, I would like to warnings also. On a related note, --compile isn't covered in the documentation. I stumbled across it when I look at the source code a month back. It might be nice to output the warnings to a file for those who have large webapps with thousands of jsp

[possible bug] -- Re: costin: fix reverted

2002-11-06 Thread peter lin
in the buffer if the response is not committed without clearing the headers and status code. does someone know what the correct behavior should be? peter lin Costin Manolache wrote: Remy Maucherat wrote: Can you point me to the code doing this extra processing ? I'm a bit confused

Re: [4.1.15] Jasper flushing, tagging ?

2002-11-08 Thread peter lin
buffer to an arbitrarily large 64K or 100K. peter lin Remy Maucherat wrote: peter lin wrote: On a related note to flushing. I've discovered a bug, but don't want to file one until I know for sure it's not a duplicate of the other flush bugs already in bugzilla. The bug

Re: [4.1.15] Jasper flushing, tagging ?

2002-11-08 Thread peter lin
thanks again for the information. I will go with setting the buffer then. peter Remy Maucherat wrote: peter lin wrote: thanks remy for the information that helps. What if I decide to buffer the response myself in a response wrapper? Does catalina try to call clearBuffer, reset

Re: Personal Oracle9i and Tomcat 1.4

2002-11-18 Thread peter lin
Oracle comes with it's own JDK and sets some environment variables. if you want both to coexist, hardcode the JDK in your catalina script. when you uninstall, it reverts the environment settings and fixes your tomcat problem. usually, that's the cause. peter [EMAIL PROTECTED] wrote: Hi

Re: Javac memory leak

2002-11-20 Thread peter lin
I haven't seen the memory leak on solaris or windows, but isn't the leak only on linux? I thought jasper2 fixes the problem with com.sun.tools.javac.Main since it uses the system native javac? peter John Trollinger wrote: Does anyone know if the javac memory leak still exists (1.4.1 docs

Re: Javac memory leak

2002-11-20 Thread peter lin
Hmm, that sounds bizzare. I'm been using/testing 4.1.10-4.1.12 on both solaris and windows with jdk1.4.1. I've ran several stress test using JMeter simulating light to medium (64 concurrent connections) load for 1-10K requests without any problems. My pages are heavy on JSTL, so they are fairly

Re: Javac memory leak

2002-11-20 Thread peter lin
text from resourceBundles and parse the XML. I'm on win2K also. peter John Trollinger wrote: If the pages are precompiled I do not have any problems at all, it is only when the jsp cache has been deleted that this shows up. John -Original Message- From: peter lin [mailto

Re: Javac memory leak

2002-11-20 Thread peter lin
John Trollinger wrote: We have 2, one is webdav and the other is our actual application. We use a lot of custom tags and a lot of both types of includes (when I say a lot we have jsp pages that include over 500 other jsp pages, and no, this is not my design :) ) I'm guessing there's

Re: Javac memory leak

2002-11-20 Thread peter lin
you never know. if it's a slow leak, precompiled pages may not exhibit the leak. I only discovered the leak in our custom tag when I put the app under moderate/medium load. Under light load the bug wasn't apparent. I'm guessing if you hit each page individuall slowly, the bug doesn't appear. If

Re: Javac memory leak

2002-11-21 Thread peter lin
that is unusual. I've done baseline performance tests with the standard examples and haven't seen that kind of behavior with 4.1.10-12. Can you start tomcat with verbose:gc and see what kind of output you're getting. Just because the memory allocated to Java is 58megs at the end, it doesn't

Re: Javac memory leak

2002-11-21 Thread peter lin
/ directory, the memory allocated to java is 40megs. I even ran it with OptimizeIt and I don't see any memory leaks. peter peter lin wrote: that is unusual. I've done baseline performance tests with the standard examples and haven't seen that kind of behavior with 4.1.10-12. Can you start

Re: Javac memory leak

2002-11-21 Thread peter lin
This is from the examples jsp right? or are they from your webapp? the latest optimizeit has a leak finder feature. you may want to download the trail version and give it a shot. from the data it looks like a lot of objects are promoted to old memory from heap. It doesn't necessarily constitute

Re: [Jasper2] framework for tag optimization

2002-11-22 Thread Peter Lin
actively :) cross my fingers. peter lin Kin-Man Chung [EMAIL PROTECTED] wrote:I am designing a framework in Jasper for enabling plugins that work closely with Jasper to generate Java codes instead of calls to tag handlers. The main idea is to take take JSTL tags, such as ${i} and generates

RE: [Jasper2] framework for tag optimization

2002-11-23 Thread Peter Lin
in resources. peter lin Peter Romianowski [EMAIL PROTECTED] wrote:Just a thought: Doesn't this breack the standard conformance tomcat is all about? One could easily be bound to tomcat after writing some plugins that break the initial semantics of a tag. I think there is no way to assure

RE: [Jasper2] framework for tag optimization

2002-11-23 Thread Peter Lin
, but it should provide significant improvement for pages with lots and lots of tags. peter lin Craig R. McClanahan [EMAIL PROTECTED] wrote:Building the pluggability framework pretty much has to be done by the Jasper developers. Implementing plugins for a particular type of optimization

RE: [Jasper2] framework for tag optimization

2002-11-23 Thread Peter Lin
I sent the suggestion a while back to the expert group. AFAIK, the and other tags don't actually generate *any* output of their own -- the extra line breaks you are seeing are undoubtedly those you've put in the source JSP page itself. Yes, I was referring to the spaces that are generated

RE: [Jasper2] framework for tag optimization

2002-11-24 Thread Peter Lin
Yeah, I actually use that in some places, but it is a bit harder to read with pages that have a lot of tags. Actually, the whole page is tags with very little HTML and everything that is text is in resource bundles. Using that syntax doesn't really bother in when used sparsely, but with

RE: [Jasper2] framework for tag optimization

2002-11-25 Thread Peter Lin
2002, Peter Lin wrote: Date: Sun, 24 Nov 2002 18:08:00 -0800 (PST) From: Peter Lin Reply-To: Tomcat Developers List To: Tomcat Developers List Subject: RE: [Jasper2] framework for tag optimization Yeah, I actually use that in some places, but it is a bit harder to read with pages

Re: [4.1.16] Benchmarks

2002-11-27 Thread Peter Lin
yeah, I can do that on a simple set this weekend and on a large webapp next week :) peter Remy Maucherat wrote: Could someone (Peter ?) do some quick benchmarks (with the HTTP/1.1 connector preferably) comparing 4.1.12 to 4.1.16 ? I'd like to see if my OptimizeIt work is translating into

Re: [4.1.17] Tag soon ?

2002-12-09 Thread Peter Lin
I wasn't able to run the additional benchmarks like I wanted, since the cpu fan on my workstation is dying and causing BSOD. I'm in the process of setting up my X1, so I will re-run the benchmarks on that server and post the results. peter lin Remy Maucherat [EMAIL PROTECTED] wrote:I

Re: Thread priority

2002-12-17 Thread Peter Lin
My 2 cents. I rather a server deny connections and keep on running than accept connections until it dies :) peter lin Remy Maucherat [EMAIL PROTECTED] wrote:Glenn Nielsen wrote: Is there a reported bug you are trying to address? Not really. The test here reported a lot of connection

Re: Tag reuse performance [Was: Re: DO NOT REPLY [Bug 16001] - Tag.release() not invoked]

2003-01-20 Thread Peter Lin
135 tags. In those situations, I saw a 20-50% improvement. I would argue that sites that don't have a lot of load should simply turn off tag pooling. Site that use tags extensively and get 1millions page views a day, will gain significantly from tag pooling. peter lin Costin Manolache

Re: Tag reuse performance [Was: Re: DO NOT REPLY [Bug 16001] - Tag.release() not invoked]

2003-01-20 Thread Peter Lin
. the tests were with tomcat 4.1's jasper2 and with 4.0x jasper1. obviously the tag pooling was only with jasper2. I didn't have time to test tomcat 3.x tag pooling. peter lin Costin Manolache [EMAIL PROTECTED] wrote:Peter Lin wrote: I haven't read all the posts on this discussion, but here's

Re: Coyote Performance Problems with HTTP1.1

2003-09-10 Thread Peter Lin
I don't know about others, but my feeling is chunking is useful for large files and not necessarily where the size of the content is unknown at the beginning of the response. I seriously doubt a 2-5K static file would see a real benefit. We all know the internet has a ton of packet collision.

Re: [PATCH] Performance Problems in Coyote Chunking

2003-09-11 Thread Peter Lin
maybe I'm missing something, but http1.0 doesn't support chunking. isn't it feasible to just make tomcat respond with http1.0 instead for this particular problem? I'm probably being naive here, but you could use the older connector instead. peter --- Remy Maucherat [EMAIL PROTECTED] wrote:

RE: Http Connector / Gzip

2003-10-06 Thread Peter Lin
interesting results. By any chance did you compare it to Perl regexp to see the difference? :) peter --- Chad Johnson [EMAIL PROTECTED] wrote: Some regex benchmark's I ran across: http://tusker.org/regex/regex_benchmark.html -Chad Johnson -Original Message- From: Henri

Re: Need Consulting

2003-11-13 Thread Peter Lin
as someone else mentioned, these types of seg fault errors have been the result of database drivers in the past. Specifically, using native drivers. I am aware of this type of behavior occuring with other drivers like JMS that wrap native code. Make sure your database driver isn't the cause.

Re: Need Consulting

2003-11-14 Thread Peter Lin
likely not the cause. that still leaves a lot of variables you have to track down. what are the exact system specs again? peter jean-frederic clere [EMAIL PROTECTED] wrote: Peter Lin wrote: as someone else mentioned, these types of seg fault errors have been the result of database drivers

Re: Performance Recommendation

2003-12-10 Thread Peter Lin
I would have to concur with Remy on this one. The performance benefit is minimal and depending on how your JSP is written possibly no benefit at all. I know for a fact there are sites handling 10million+ pageviews a day using Tomcat. This is commercial sites and not some development/demo

Re: Performance Recommendation

2003-12-10 Thread Peter Lin
to put things in better context. Most of my work experience has been building complex applications with web front ends. In my case, most of the content is dynamic and the static html is minimal. Therefore, my experience with regard to performance is biased by the type of applications I work

Re: Next release

2004-05-12 Thread Peter Lin
Remy Maucherat [EMAIL PROTECTED] wrote: I feel like starting working on the possible new codebase for Tomcat, now that Tomcat 5 is more or less stabilized. I have a few obvious items, but while a lot could be done to make the code more modern, it wouldn't make Tomcat actually run better, so

Re: (movie)

2004-04-27 Thread Peter Lin
what does the mail header say? or maybe some one else already unsubscribed the address :) peter lin Remy Maucherat [EMAIL PROTECTED] wrote: Anyone could find a good explanation as to why unsubscribing the address didn't work ? (the list manager says [EMAIL PROTECTED] is not subscribed

Re: [5.next] Summary

2004-06-23 Thread Peter Lin
I see your back from vacation. I hope it was restful. I've started working on porting CLIPS 6.2 from C to Java. Once that is done, I will donate it back to CLIPS community (since it's public domain software), donate it as a project to apache and use it in RuleML development. JBoss should be able

interesting article

2004-07-02 Thread Peter Lin
http://www.webperformanceinc.com/library/ServletReport/ I'd like to thank all the developers for working so hard to improve tomcat. peter - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL

Re: Request for Inputs for a Design/Architecture for VXML Application Server

2004-07-08 Thread Peter Lin
from where I am sitting, sounds like the project doesn't have enough information to make a good decision. Why move from MML/TCP to VXML/HTTP? if you read my performance article on the resources page, XML is very CPU and memory intensive. Even with XStream java-xml binding library, handling

Re: Request for Inputs for a Design/Architecture for VXML Application Server

2004-07-08 Thread Peter Lin
On Thu, 8 Jul 2004 18:59:23 -0700, Darshan Rawal [EMAIL PROTECTED] wrote: Hello Peter, I completely agree on this, but this interpretation of VXML pages is going to happen on the Media Server side. Hence as of now I am just concerned with generation of VXML pages and transporting them to

Re: Request for Inputs for a Design/Architecture for VXML Application Server

2004-07-09 Thread Peter Lin
on Google, which was not Objective enough. Thanks again for all you help, it was really valuable... Regards, Darshan Rawal. On Thu, 8 Jul 2004 21:23:52 -0500, Peter Lin [EMAIL PROTECTED] wrote: On Thu, 8 Jul 2004 18:59:23 -0700, Darshan Rawal [EMAIL PROTECTED] wrote: Hello Peter

Re: Request for Inputs for a Design/Architecture for VXML Application Server

2004-07-09 Thread Peter Lin
in case, do you know of any objective comparision of JAVA C/C++ ? I could not find one on Google, which was not Objective enough. Thanks again for all you help, it was really valuable... Regards, Darshan Rawal. On Thu, 8 Jul 2004 21:23:52 -0500, Peter Lin [EMAIL PROTECTED] wrote

Re: Invitation to HTTPD commiters in tomcat-dev

2004-07-20 Thread Peter Lin
although I'm not a commiter, I like to add 2 cents to the discussion. I like the idea of supporting JMX and the capbility of deploying a webapp without restarting the server. From the discussions so far, the task isn't simple, and may not fit the majority of users. if 80% of the users don't have

Re: Some benchs results : WAS: Invitation to HTTPD commiters in tomcat-dev

2004-07-22 Thread Peter Lin
the nightly build of jmeter has an alpha sampler that uses Commons HTTPClient. you may want to try that one instead, if you use jmeter peter On Thu, 22 Jul 2004 15:09:19 +0200, Henri Gomez [EMAIL PROTECTED] wrote: Remy Maucherat wrote: Henri Gomez wrote: I made some benchs on my Linux

Re: Some benchs results : WAS: Invitation to HTTPD commiters in tomcat-dev

2004-07-22 Thread Peter Lin
you can run it in non-Gui mode with -n option. http://jakarta.apache.org/jmeter/usermanual/get-started.html#non_gui might help, or not. peter On Thu, 22 Jul 2004 15:33:41 +0200, Henri Gomez [EMAIL PROTECTED] wrote: Peter Lin wrote: the nightly build of jmeter has an alpha sampler

Re: [5.next] Refactoring save-to-XML

2004-07-29 Thread Peter Lin
hey remy, have you tried XStream? the API is super simple and it's quite fast. Not sure if it would work, but we recently changed JMeter to use XStream instead. peter -Original Message- From: [EMAIL PROTECTED] Sent: 7/29/2004 6:56:40 AM To: [EMAIL PROTECTED] Subject: [5.next]

Re: [5.next] Refactoring save-to-XML

2004-07-29 Thread Peter Lin
On Thu, 29 Jul 2004 16:55:39 +0200, Remy Maucherat [EMAIL PROTECTED] wrote: I think it's a start. You identified the downsides well enough, but unfortunately, they're a showstopper for me. Additional tweaks are needed. I see that others suggested other technologies, but we'd have many issues

Re: Code Too Large for Try Statement in Catalina

2004-08-19 Thread Peter Lin
the only way is to reorganize your jsp. this is an old issue dating back quite a bit. are you using tomcat4 or 5? if you're using tc4, I would recommend upgrading to tc4.1.x or 5.x. the original jasper generated code which would easily exceed the limit. the newer jasper2 which is used with

Re: Code Too Large for Try Statement in Catalina

2004-08-19 Thread Peter Lin
what I meant was what Tim said. peter On Thu, 19 Aug 2004 12:59:59 -0700, Michael McGrady [EMAIL PROTECTED] wrote: Thanks, Tim, The file actually is quite simple. It is a simple form with HTML radio buttons for choosing colors. There are a LOT of colors, but the code is pretty

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