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From Costin Manolache <>
Subject Re: adding features to Status servlet
Date Mon, 03 Jan 2005 19:21:55 GMT
Benson Margulies wrote:
> For systems with a /proc file system with these statistics, this doesn't
> require any JNI ... 

Yes, there are a lot of ways to workaround java limitations. /proc is 
one. But even on linux, a lot is not exposed via /proc, but ioctl.
I guess the goal is not to implement sysinfo, but have a way to get more
platform-specific information and access platform-specific features.


> -----Original Message-----
> From: Peter Lin [] 
> Sent: Monday, January 03, 2005 10:04 AM
> To: Tomcat Developers List
> Subject: Re: adding features to Status servlet
> sysinfo on unix/linux should be pretty easy. I've used windows
> performance stats before when i tried to write the equivalent of the
> status servlet for IIS. I will try to write an exe named sysinfo that
> spits out similar performance stats.
> how can I help mladen?
> peter
> On Mon, 03 Jan 2005 15:55:44 +0100, Mladen Turk <>
> wrote:
>>Peter Lin wrote:
>>>that sounds great. does it have support for sysinfo?  if it does, 
>>>I'll try using your apr-java package.
>>No, but it's up to us to decide what will go inside.
>>APR is included, but I wish to leave that as open as it could be.
>>It already have win32.c,unix.c and netware.c files for platform 
>>specific stuff that APR doesn't offer.
>>Having sysinfo sounds good to me. WIN32 has also good performance data
>>gathering, and I'm sure that Netware has them too.
>>I also wish to include the OS specific things from httpd like setting 
>>group, user, sending data to child process, etc...
>>What matters is that we'll have a generic native component, with well 
>>defined build and distribution specification.
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