I have read that Suse linux team has been working closely with AMD to
support AMD64, and I am going to try their commercial product
(professional edition, $130).
I know that SUN plan to have an AMD64 version for the JDK 1.5, which
should be next year.
The reason for choosing the Linux OS is
Yonatan Goraly wrote:
I have read that Suse linux team has been working closely with AMD to
support AMD64, and I am going to try their commercial product
(professional edition, $130).
I know that SUN plan to have an AMD64 version for the JDK 1.5, which
should be next year.
The reason for
I imagine that you could compile an AMD64 kernel, and compile Postgresql
for AMD64. But you still might have a poor performer with a 32-bit jdk.
You could put Postgresql on a separate AMD64 server and Tomcat on a 32-bit
X86 server, but that may or may not be what you want.
Compiling a kernel
about performance.
Wade
-Original Message-
From: Yonatan Goraly [mailto:[EMAIL PROTECTED]
Sent: Tuesday, November 25, 2003 3:05 AM
To: Tomcat Users List
Subject: Re: Slow on Linux
I have read that Suse linux team has been working closely with AMD to
support AMD64, and I am going to try
Firebird 1.5 even. That's just a consideration since you
are posting about performance.
Wade
-Original Message-
From: Yonatan Goraly [mailto:[EMAIL PROTECTED]
Sent: Tuesday, November 25, 2003 3:05 AM
To: Tomcat Users List
Subject: Re: Slow on Linux
I have read that Suse linux team has
Ok, I read the PostgreSQL docs. It looks like AMD64 version is only
workable under kernel 2.6. The good thing about the new kernel 2.6 is that
FWIK you can have as many process/threads as you want cause it handles
order of magnitudes more than kernel 2.4.
I would also watch blackdown.org release
are posting about performance.
Wade
-Original Message-
From: Yonatan Goraly [mailto:[EMAIL PROTECTED]
Sent: Tuesday, November 25, 2003 3:05 AM
To: Tomcat Users List
Subject: Re: Slow on Linux
I have read that Suse linux team has been working closely with AMD to
support AMD64, and I
Wade Chandler wrote:
Just wondering. Did you know that every Postgres connection creates a
system process, and not a thread? PostgreSQL uses Fork. I don't use it
because of this. DB Connection = Separate Process. I use Firebird.
You can use Firebird 1.5 even. That's just a consideration
I'm no expert on Servlets so I'm not sure what's involved with all those
calls, but it doesn't seem like it could be anything that takes 500ms.
Have you tried running top while this is going on? You can set it to
update quickly so that you can see what's taking up the processor, if
anything.
Howdy,
First of all, how fast was the forward call on another platform?
OTOH, 500ms for the line of code you gave below is not that atrocious.
Both the getRequestDispatcher and forward calls are not lightweight.
Yoav Shapira
Millennium ChemInformatics
-Original Message-
From: Yonatan
The same application is deployed on multiple Windows boxes, with
excellent performance (unless there is a heavy DB query involved, with a
fast network and client machine the response seems to be instant with
servers that should be dwarfed by this one).
As we start to provide hosted services,
ChemInformatics
-Original Message-
From: Yonatan Goraly [mailto:[EMAIL PROTECTED]
Sent: Monday, November 24, 2003 2:55 PM
To: Tomcat Users List
Subject: Re: Slow on Linux
The same application is deployed on multiple Windows boxes, with
excellent performance (unless there is a heavy DB query
[mailto:[EMAIL PROTECTED]
Sent: Monday, November 24, 2003 2:55 PM
To: Tomcat Users List
Subject: Re: Slow on Linux
The same application is deployed on multiple Windows boxes, with
excellent performance (unless there is a heavy DB query involved, with
a
fast network and client machine
line of code (which has four function calls).
Yoav Shapira
Millennium ChemInformatics
-Original Message-
From: Yonatan Goraly [mailto:[EMAIL PROTECTED]
Sent: Monday, November 24, 2003 2:55 PM
To: Tomcat Users List
Subject: Re: Slow on Linux
The same application
Yonatan Goraly wrote:
The exact execution time of that line of code is not very relevant,
since the difference is between an interval I can't notice to an
interval I can notice very well - should be at least a factor of x100.
I just finished installing RedHat 9 (32 bit), the performance is much
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