>Alexander V. Konstantinou wrote:
>> Actually, thread priorities work fine in Linux.
>No, they don't, not with the latest sun jdk on redhat 8.0.
Is it green threads or native threads that don't work?
btw, the JVM spec on what thread priorities mean is very very loose.
If I remember correctly, a J
>Does your linux kernel has bug file support???
yes.
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>I knew this was out there somewhere (since I submitted the related
>bug) but finding this was quite a bear.
>http://developer.java.sun.com/developer/bugParade/bugs/4385914.html
Hmm, this seems to be related to Solaris x86. And the answer is "you
can't do more than 2 gigs". I have in the back of
Does anyone know if Java supports using more than 2 gigs of RAM on a
Linux system? My kernel is set up to map 3 gigs of virtual memory to
the process, but Java seems stuck at a 2 gig boundary. To complicate
things, I'm doing some JNI into C++ code too.
I've been working with Sun's 1.3 JVM, linux k
You probably want to review the redistribution license for the JRE
before you start cutting things out.
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Just saw this on Sourceforge:
http://www.cs.utexas.edu/users/emery/hoard/
Hoard is a fast, scalable and memory-efficient allocator for
multiprocessors. Hoard solves the heap contention problem caused
when multiple threads call dynamic memory allocation functions like
malloc() and free()
>> Yep... this is good for dumping info to be read by humans. If you want a
>> data structure usable from software, you'll need to implement a profiler
>> through the JVMPI interface.
>
>OR maybe use those funky new JDK 1.4 APIs I noticed in the vicinity
>of the new Exeption.getCause() calls and s
Took a quick look at the JavaOne schedule and saw two major Linux
related talks:
The Java 2 Platform, Standard Edition (J2SE) on Linux
Sun telling us what's up
http://servlet.java.sun.com/javaone/conf/sessions/1641/0-sf2001.jsp
Tuesday June 5, 2:45 PM - 3:45 PM
The Penguin Gets Pumped Up .
>So: can anyone tell me how much memory overhead hotspot adds for each object
>created under Linux JVM? If it is not constant value I'd appreciate even a
>ballpark figure.
Lots of info on this here:
http://www.javaworld.com/javaworld/jw-11-1999/jw-11-performance.html
I know from experience tha
>However, due to the nature of our app and infrastructure out app
>needs to be able to do things as different users.
Your one app needs to run with the permissions of several different
users? In a nutshell, Java isn't going to help you with this. In fact,
it'd be fairly awkward to do this in C in
>I.e., I'm wondering if a gc can discard a compiled method and
>cause it to run interpreted again the next time it is called.
>Is this possible?
I imagine it is possible - I'm not aware of anything in the Java specs
that define behaviour of JITs. I can't guess how likely it is, it
seems like a fa
>The Blackdown Java-Linux Team is proud to announce the availability of
>the final release of Java2 v1.2.2, Java3D 1.2 FCS, and JAI 1.0.2-beta.
congratulations! That's terrific.
[EMAIL PROTECTED]
. . . .. . . . http://www.media
Thanks to IBM for getting a 1.3 out. But that registration procedure
really sucks.
>Would realy like to know if they had there links ever working
Yep, I managed to download it. Haven't even opened it up yet.
[EMAIL PROTECTED]
. . .
What's the current state of the art for Linux JITs and JREs?
I'm looking at both the Blackdown 1.2.2RC4 and the Sun/Inprise
1.2.2RC1. Which JITs do those ship with? Which JITs work best with
native threads?
My impression is that both JREs ship with sunwjit, which works with
both green & native
What a great discussion this has been!
>I don't think anyone is arguing that high thread counts are always
>wrong or that the current implementation is the best of all worlds.
Phew!
>Yes, the Linux kernel can do better and Java implementations can do better
And in the current situation, we hav
Slashdot picked up my note about JavaOne.
>Anyway, the output of idlj doesn't quite grok with the CORBA tutorial
>(HelloWorld); namely, it doesn't generate a ImplBase abstract class
>but instead generates an Operations *interface*, which looks like it
>must be implemented for use in the derived s
>> I'm not one of the kernel folk, but can you give me an example of
>> an application that would be impossible without hundreds of threads?
Many of these examples have a common theme - lots of network I/O to
different places. We've learned from web servers that it's actually
better if you multip
>I think the best answer is to do the second tier threading in
>userspace (best would be in glibc).
Do any systems that do mixed user/kernel threads work well? I've heard
nightmares about Solaris' threading system, with the complication of
hybrid threads as the prime culprit.
>The kernel folks h
Not much new news from JavaOne for Linux (or for anything, really). I
did stop by Sun's booth for J2SE on Linux and talked a bit with Hong
Zhang, their Hotspot guy for Linux.
Newer Sun releases will be native threads only, not green threads. I
asked why, and got two answers:
Hotspot assumes nat
Just got back from the first day of JavaOne. I'm happy to say that Sun
sounds like they're fairly serious about Linux support. Lots of Linux
visibility at the conference, several talks and BOFs. The biggest news
I heard is that Java 1.4 ("Merlin") should be released simultaneously
on Windows, Sola
>Can someone explain to me the advantage of JIT compilers? It's
>obviously faster .. I've been doing some recusion testing and the Sun
>JDK 1.3 for Linux runs on average 3 times faster than the jdk 1.2.2
>rc4 from blackdown.org.
I just happened to read an article benchmarking Java vs. C on severa
Great news about Sun's release. Anyone know more about its
disposition? Was it done inside Sun, or by Inprise, or Blackdown
people?
>I'm not sure that this is a good thing; who will us mere programmers
>determine which sdk is more stable and faster under linux?
The marketplace will decide that s
Are many Linux/Java folks coming to JavaOne? I'll be there.
I see a few Linux sessions and BOFs scheduled:
Enterprise JavaTM for Linux HOWTO TS-977
Tuesday, June 6, 1:30 PM
The J2SETM Platform on Linux, Update and Roadmap BUS-1698
Tuesday, June 6, 8:00 PM
JavaTM 2 Platform on Linux B
Picked this up off Linux Weekly News,
http://www.osopinion.com/Opinions/KevinLyda/KevinLyda7.html
"If there was a free software version of Java available, or better yet
if Sun would work in concert with the Mozilla development team to
integrate a Java vm into Mozilla/Netscape then there would f
>IBM posted their pre-release JDK1.3 for Linux yesterday:
>http://www.alphaworks.ibm.com/tech/linuxjdk
This is awesome!
Has Sun given the Blackdown group access to JDK1.3 yet?
Things are getting interesting here, trouble is brewing between IBM
and Sun. I don't mind being part of the battleg
Thread priorities don't work in any JVM I've used. Java's rules are
fairly senseless, too.
I'm not sure your case qualifies as a bug, though:
> public void run(){
> //Thread.yield();
> while(true){
> System.out.print(name);
> System.out.flush
Neal Sanche <[EMAIL PROTECTED]> wrote:
>I have to announce that gonzalez.cyberus.ca is no longer available.
Thanks for all your service!
How about moving TYA to SourceForge? http://sourceforge.net/
[EMAIL PROTECTED]
. . . .
>The problem is that Java needs to determine the dimensions of the
>borders used by the window manager.
Why is Java trying to place the window at all when Java doesn't
support window placement? Why not just let the window manager decide
where to put it? I've never understood this.
I'm sympatheti
(I posted this yesterday, didn't come through).
Wow, this is huge news
http://dailynews.yahoo.com/h/zd/2124/tc/2125062.html
Here's the meat of it. This is amazing. Sun's really missed the boat
with Java on Linux, and IBM has neatly hopped on it.
---
>http://java.sun.com/products/jdk/1.2/docs/guide/rmi/codebase.html
>my reading of the above document suggests that the rmiregistry indeed
>sends the stub to the client. am i wrong?
Yes, RMI does ship stubs from server to client. Or rather, the client
can ask for them. Servers can annotate a class
>I was actually trying to make a reference to the fact that I have not
>yet seen a mention of Red Hat in our discussions of who should be
>driving Java on Linux. Why is that?
Or VA Linux? :-)
Sadly, I don't think many people at Red Hat care about Java. There's
this funny anti-Java sentiment in t
Interesting stuff, when small mailing lists become fodder for media
stories. The Sun screwup is explained, along with a good summary of
the conversation here, at
http://dailynews.yahoo.com/h/zd/19991209/tc/19991209113.html
Personally, I think Sun has apologized fairly gallantly and I take
peopl
"a b" <[EMAIL PROTECTED]> wrote:
>I wonder what would happen if any of the Blackdown developers had put a GPL
>license in any part of their code fixes?
If Blackdown had GPLed their patches, then any code that incorporated
them would be GPL as well.
I believe that Blackdown did not have the optio
I think we can all work together on this. A lot of us in the Linux
community are annoyed and mystified by Sun's years-long snubbing of
Linux in the Java world. It honestly makes no sense. The press release
that came out today did no good, either, ignoring the Blackdown
contribution entirely. But I
>> Without native threads support, this release is IMO useless for running
>> any kind of serious Java applications on Linux.
>Realistically, I'm sure it's just a matter of time.
I suspect they'll get native threads out soon, too. I also expect
they'll end up needing to communicate some with the
>I'm praying that the Blackdown team continues it's work if this is
>what Sun consider a useful release. I'm really curious as to why the
>hell Sun and Inprise went off on their own when the Blackdown port is
>available...
Looking at the output of the Blackdown team in the past six months I
think
>Do Sun have any plans for long term persistence of objects that have been
>serialized? The serialization is a lovely idea, but the incompatibility
>between different Jdk's, and recompiled objects, is a real pain.
In theory, the incompatibility isn't that bad. In practice, it is.
Some folks at S
>Has anybody implemented it already ? Sun does not seem to try to
>solve the subject, but I suppose that it should be possible to add
>select like functionality on top of current jdk
I've heard other references to doing this. Couldn't quickly find
anything, but it might be worth searching for.
H
Quick answer - I don't know a lot about how the GC in the JDK works.
There must be good articles written on it somewhere, check that
Javaorld article
http://www.javaworld.com/javaworld/jw-11-1999/jw-11-performance.html
it's got a few pointers.
>>The VSZ for a Java process is just going to be th
I just went through a lot of memory optimization on a small spider I
wrote, here's some thoughts..
>Essentially, RSS reflects how much of the program's address space has
>been touched recently, as well as the kernel's decision about how to
>allocate physical memory among processes that need it.
>Well, according the article at InfoWorld, Sun are working with Blackdown
>to do the port so I guess they'll continue to be closely involved with
>Java on Linux.
So in other words, this is business as usual? The press release made
it sound like Sun was doing something new. Then again, they were
r
New story at
http://www.infoworld.com/cgi-bin/displayStory.pl?991018.hnjvm.htm
At the Java Developers Conference in San Jose, Calif., IBM will
announce the free general availability of a Java Software
Developer's Kit 1.18-compliant Java virtual machine (JVM) for the
Linux operating syst
>>Finally, I can hold my head up with pride :-)
>Why? Were you involved in developing the IBM JDK? ;-)
No, it's just that my friends who do Java on Windows can't laugh at me
anymore.
[EMAIL PROTECTED]
. . . .. . . . http://
>I ran the JVMSpec98 benchmarks from the cmdline to see how Kaffe
>measures up against other JVMs.
Wow, nice numbers. I'm excited to see that ibmjdk on Linux is now in
the same ballpark (or faster!) as msjvm and the Sun VM on Windows.
Finally, I can hold my head up with pride :-)
How do other pe
We've had a lot of discussions on the list recently that were generic
questions about Java, questions that had nothing to do with Linux. I'm
sending this note to remind everyone that this mailing list is about
Java on Linux. If you have generic Java questions, they do not belong
here. I encourage
One thing that's been worrying me about Linux on Java is that stock
Linux systems have had a limit of 1024 processes, 512 per user. Each
native thread is a Linux process, so that puts a quick hard limit on
the number of threads your Java program could have.
Linux 2.4 apparently removes the static
This question isn't really a Java-Linux question, but I'll answer
anyway since I have the code right here.
>I can run a process with something like "tail -f /var/log/messages"
>and getInputStream... There's a way to do this, only with java?
I've taken this code out of a bigger package, so it won
An interview with Gosling is at
http://webserv.vnunet.com/www_user/plsql/pkg_vnu_search_mo.right_frame?p_story=89624
Suprising quote:
Zombiehead: James, what's your stance on Java in relation to open
source? It's one of the reasons Linux is successful. Do you see this
as a future possibi
Does anyone know if jdk 1.1.7_v3 works with native threads under
Redhat 6.0? My big hairy lots-of-threads program is choking entirely,
deadlocking fairly early on. It works fine in Redhat 5.1. I know my
own code has concurrency bugs, but maybe part of it is the JDK's fault
as well? I can't even de
>IMHO, the ideal situation would be for Sun to support Linux as one of
>its primary platforms. I don't understand why Sun does not.
I don't understand why Sun doesn't support Linux either, either as a
platform for Java or better still, an OS for their hardware. SGI has
recently woken up and reali
> > javares. Info is at http://gee.cs.oswego.edu/dl/javares/
>The archive seemed to cover the first two weeks only?
No, that's the full archive. My impression is a lot of people are
interested in the problem but not many people are working on it.
>>There's room for a good project here. There are
If you're interested in Java resource management, I encourage you to
carry on the discussion on a mailing list I run for just that purpose,
javares. Info is at http://gee.cs.oswego.edu/dl/javares/
There are lots of people who are interested in this problem - real
time folks, people running untrus
>I can't believe that I can't create images on dedicated Web server and send
>it to clients over http response if I don't run X!!!
The Java image stuff is fairly poor. Various people have written
libraries to do graphics without AWT. One that looks interesting is
Jef Poskanzer's, over at http://w
>I am trying RMI and i keep getting this exception. I couldn't understand
>the problem.
Are you using JDK 1.2? You have to set up a policy file to make it work
right. This is an RMI FAQ, hunt around Sun's web site.
[EMAIL PROTECTED]
. .
>Anyone been able to succesfully launch rmiregistry and bind
>UnicastRemoteObjects to it on Linux?
Yep. I'm not using the rmiregistry script itself, but I make extensive
use of RMI in my work and it's just fine in Linux. Make sure you have
the latest JDK you can run, RMI gets frequent bugfixes.
>Are you suggesting that I could do something like this:
> find . -name \*.java -print | xargs jikes ++
The principle works fine for me, although you'll eventually hit a
command line argument length! The nice thing is you can probably make
a generic Java makefile that works with any code.
You c
>Actually, I'm pretty sure Jikes has built in automatic dependency
>checking.
It might, but I wouldn't trust it. And in my code, static dependency
checking doesn't work - I'm routinely loading things dynamically.
>Try comparing the compile time for a "make clean" to a "make" (after
>changing a f
>Granted I don't know much about Jikes but 280 files in 5 seconds
>amI missing someething?
Jikes is really, really fast. Being on all local disk (NFS) makes a
huge difference. And I'm on fast machines - a 500 MHz Pentium III now,
I think.
>Are you sure that jikes isn't just skipping over
>>As soon as my application grow and more classes are created, I'm
>>beginning to feel the weight of a full scale compilation (like 20
>>seconds now, but it's increasing fast) even after I change 1 line of
>>code in 1 class.
>We use make to great advantage. Our system has ~1000 java files and
>mak
OK, we're getting somewhere - the libc5 and glibc versions behave
differently. Hooray.
I tried downloading libc5 Netscape direct from Netscape, or the mirror
at
ftp://ftp.the.net/pub/mirrors/ftp.netscape.com/pub/communicator/english/4.61/unix/supported/linux20_libc5/
I then fortified it and r
>Well, I'm running Netscape 4.61 on the Mandrake 6.0 release, and just can't
>seem to get Netscape to crash at all!
Thanks for the info, Todd.
Anyone know how different Mandrake's libraries from Redhat?
[EMAIL PROTECTED]
. . . .
So basically, Netscape 4.61 is whacked for Java. On Redhat 6.0, Redhat
5.2, and Debian potato. Yay!
What's frustrating is this stuff used to work. I was using Netscape
4.5 for the longest time with Java with no problems. So maybe it's a
recent Netscape bug, rather than a Linux version problem.
I
>I've not had that many problems with Netscape and Java.
Could it really just be me? I'm running pretty basic Netscape, about
the only change I made was running Fortify over the browser. Trivial
applets like
http://nelson.www.media.mit.edu/people/nelson/research/mas964/ps2/CircleRepetition.ht
>I just upgraded to RedHat 6.0 and Netscape 4.61 and when I invoke a Java
>applet, Netscape exits with a 'bus error' when trying to start Java.
I don't have that happen, but pretty much any Java applet I run works
for about 5 seconds before the entire netscape process wedges,
consuming 100% CPU a
** Choice is selected.
**
** Bug verified with WindowMaker and fvwm2,
** Blackdown JDK 1.1.7_v3 and 1.2_pre2
**
** Nelson Minar <[EMAIL PROTECTED]> and Tucker Sylvestro <[EMAIL PROTECTED]>
** Mon Jul 19 18:51:14 EDT 1999
**/
import java.awt.*;
public class FocusBug e
Has anyone worked up a filesystem standard for the JDK on linux? I've
seen it installed all over the place on different Linux systems. Maybe
we can come up with a standard place to put everything and make the
world safe for RPMs and .debs everywhere.
Is there a sensible Solaris standard? Anyone
>Alright. In order to gain a good understand of the issues that have
>arisen during the port of Java2 on Linux, I have read over the past
>messages regarding technical difficulties in the port.
You mostly quoted back my own speculation. Please understand, it was
only speculation - I have no knowl
>Why has it been so difficult to port Sun's Java2 source to Linux?
I have no specific knowledge - I'm not part of the Blackdown team,
have never seen the JDK sources, etc. But I can guess :-)
The port is a spare-time effort with non-open source.
Java2 is a hell of a lot of code. No matter how
>Is the 90 day evaluation license for real?
I took this as a sign that this was only a prerelease alpha, that they
will be having a more stable version soon. A bit frustrating, but I
think it makes sense in this context.
>On a serious note, how will the IBM JVM impact the Blackdown port?
That's
>It is only jdk1.1.6 though. But I will take it.
Yeehaw! If you don't like hunting, it's at
http://www.alphaworks.ibm.com/tech/linuxjvm
Native threads, requires glibc 2.1 and kernel 2.2. Says Redhat 6.0 is
good to go, and it seems to be. It requires Motif, but they have
helpful instructions ab
>How can I get the swing classes for jdk117v3
Go to http://java.sun.com/, find the Swing page, and download the
release. All you really need out of it is swingall.jar, put it in your
classpath and you're set.
A bit more on the Swing front - I was confusing slowness on startup
with general slowne
>>I've just started looking at using Swing for my Java project.
>Question: doesn't java 1.2 include the swing classes? If you're
>"just start"-ing to look at swing, why not start with java 1.2 instead?
Because I have 25,000 lines of code with scary classloader and RMI
hacking that I haven't port
I've just started looking at using Swing for my Java project. It seems
really really slow. Is anyone here seriously using Swing under Linux,
without a JIT? Is there some way to improve things? Do JITs make
enough difference to make it bearable?
[E
>I am attempting to compile an RMI application with the 1.17 version
>of the Blackdown JDK, and when I do, I get a Segmentation Fault. This
>does not leave any trace of why the fault occured.
I use RMI extensively in JDK 1.1.7, under Redhat 4.2, 5.2, and 6.0,
and haven't run into this. Is it rmic
>This posting reminded me of my many struggles trying to find a neatly
>compiled list of java properties. Does anyone know if such a list
>exists for JDK properties?
There's an excellent list in the Java Developer's Almanac, an
all-around nifty reference:
http://www.amazon.com/exec/obidos/ASIN/0
Per request, I've reformatted the list so that there are specific JDK
1.1 and JDK 1.2 sections rather than mixing them together.
I am still not sure if this is comprehensive. If someone with access
to the Blackdown sources would be so kind as to grep through them for
calls to getenv(), that would
What do people here think about Redhat having Kaffe installed by
default as the binary "java"? I think it's a bad idea because Kaffe
really doesn't support enough Java to be useful, at least to me. On
the other hand, I want to support Kaffe and Japhar and other free
software efforts, I don't want
Folks seemed to like my list of JDK environment variables, so here's a
second pass incorporating all the feedback I got. Steve, are the
DO_NOT_FREE and associated variables supported in 1.1 native threads?
--
The following is d
I'd like to make a list of all the environment variables the Blackdown
JDK uses to change its operation. I don't think there is a
comprehensive list anywhere. Here's what I know, can others correct
this or add to the list? Maybe we can get it into README.linux on the
next release.
1.1 refers to 1
>>Take a look at MComponentPeer.pInitialize(). It sets the location of
>>the window (to 0,0 if no setLocation call has occurred).
>This bug annoys me intensely. bug id 4102292
It annoys me too. Thanks for finding it in the Bug Parade.
I can live with this, so my question here is more political
>i was wondering if it is possible to set the position of
>a java GUI once it starts up. Whenever i run a application
>it starts up in the corner of the screen.
Like people said, setLocation() will do that. But I have a related
question - how do I *not* set the position of a window? I don't call
There's an article on the latest move in Java standards politics:
http://technews.netscape.com/computing/technews/newsitem/0,290,36236,00.html?pt.netscape.fd.hl.ne
A group of companies that don't want to play by Sun Microsystems'
Java rules have formed an outside work group into an outfit
>When Sun formerly stated that Hotspot would be a commercial product
>there was not much competition around. Now fierce competition is here.
And reading between the lines, maybe Hotspot isn't that hot afterall.
The speedups they claim (2-4 times, presumably over a simple JIT?) are
nice, but not e
I share the frustration expressed recently about the status of Java on
Linux. We've always been somewhat second class citizens. The problem
is most definitely not Blackdown's fault - they're doing great given
their resources and the licensing structure of Java.
As for Sun's "agenda", my feeling i
>I have been trying to get RMI to work for some time now.
RMI works fine in Java/Linux - I rely on it heavily with my code, and
it works as well as it could. (There are some interesting issues
relating to socket limits and 50+ simultaneous calls, but that's Linux
and RMI's fault, not the Linux po
This question is only marginally Linux related, but since Linux javac
is so slow, it's a special concern for us :-)
>I have been trying to get javac (1.1.7 for linux) to recompile only
>those java-files newer than their class-files.
This stuff doesn't work very well. javac -depend is undependabl
I'm also curious about the status of the JDK on glibc 2.1 systems. How
hard will it be to make the JDK run with glibc 2.1? Is it easy to keep
a glibc 2.0 around so JDK will run? Does anyone know what glibc Redhat
6.0 is planning to ship? (Anyone seen 5.9?) I think it's important
that some JDK run
>Nobody has bzip2, whatever that is. You're making your product less portable.
It always amazes me when people using free software are rude to the
folks who are doing the work. Your message was impolite, and you were
too lazy to go find bzip2, thereby wasting everyone else's time.
You can get b
Anyone up for java.themes.org? We could get Raster to design us a
fancy videogame-looking PLAF for Java :-)
[EMAIL PROTECTED]
. . . .. . . . http://www.media.mit.edu/~nelson/
I realized in my first message that I was a bit unclear. I want Sun to
put Java on Linux on the same footing internally as Java on Windows or
Java on Solaris. I have no idea if this is realistic, because I don't
know enough about Sun politics. I think it is a reasonable goal
business-wise for Sun,
>About HotSpot: I really wouldn't know. Would like to see it myself
>too. Linux allways comes last (JDK 1.2, RDMBS's etc), but things are
>changing I guess... for the good.
Does anyone with knowledge of Sun politics know how we can effectively
lobby for more support for Java on Linux? I really do
David Shields, one of the Jikes authors, asked me to forward the following:
---
Jikes now supports the Java language changes added in 1.2.
We'll soon be adding support for the three new classpath-related arguments (
-source
(An aside - why do people keep dumping questions not appropriate to
java-linux on this list? It's not even ignorance - people keep saying
things like "I know I should ask this elsewhere, but...". Folks,
that's just plain rude. Please stop.)
At the risk of encouraging more off-topic posts, I'll an
>The problem is that the jikes compiled code does not pass the
>bytecode verify stage. If you run the same code under JDK 1.1 and it
>works then you know for sure that that is the problem.
Well, not exactly. You might also want to try runnign it with JDK 1.2
without verification. "oldjava" does t
Gerald Gutierrez writes:
>What I propose is simple. FIRST, for every message regarding the
>status of JDK1.2 on Linux, refer the inquirer to the 1.2 Status web
>page, and refain from degrading the reply by any of your personal
>comments. SECOND, the web page should provide a best guess as to when
This mailing list has troubles, yes. The maintainer (Karl Asha) asked
here about a month ago if someone else could host it, because he
didn't have the time or resources to keep it going. Now might be a
good opportunity for someone to contact him about rehosting the list.
His email address is [EMAI
>Judging from the volume of "when will 1.2 be ready?" messages, it's
>clear that interest in the Blackdown work is reaching some sort of
>critical mass.
With 1.1.7, Linux is either the best or second best Unix platform for
running Java. Solaris is obviously alright, but most of the other Java
por
Nathan Meyers asks:
>But I'm always curious about "wacky people" who like to use thousands
>of threads (or tons of memory or zillions of levels of recursion,
>etc.). Is that approach fundamental to solving the problem
>efficiently, or do you use it because it's convenient and/or cool?
A bit of bo
A bit more info on thread limits.. Linux 2.0 defines NR_TASKS in
/usr/src/linux/include/linux/tasks.h. The default is 512, but then
there's MAX_TASKS_PER_USER which is defined as NR_TASKS/2. So if I
understand right, that means that a Java process using native threads
is limited to 256 threads in
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