perfomance test: heap vs. swap space

news.onet.pl

I've launched some perfomance test for some program measuring
number of operations, net messages processed per second, etc.

Why is my point, is the question how Java initial and maximal
heap is connected with the swap space of Operating System.
Those Java utilize both memory and swap space for purpose
of its heap?

TIA,

Maciej

Aug 17 '05 #1

Subscribe Post Reply

5080

news.onet.pl

I've launched some perfomance test for some program measuring
number of operations, net messages processed per second, etc.

What is my point, is the question how Java initial and maximal
heap is connected with the swap space of Operating System?
Does Java utilize both memory and swap space for purpose
of its heap?

TIA,

Maciej

Aug 17 '05 #2

Casey Hawthorne

Please read you OS book!

Isn't swap space supposed to be transparent to programs?
Isn't the JVM another program?

"news.onet.pl" <dz******@wmid.amu.edu.pl> wrote:

I've launched some perfomance test for some program measuring
number of operations, net messages processed per second, etc.

Why is my point, is the question how Java initial and maximal
heap is connected with the swap space of Operating System.
Those Java utilize both memory and swap space for purpose
of its heap?

TIA,

Maciej

--
Regards,
Casey

Aug 17 '05 #3

Similar topics

Java VM Heap

by: kimbuba | last post by:

Hello, do you guys know how to increase the maximum heap for the jvm? I know about giving to apps args like: -Xmx<size> set maximum Java heap size But i would like to give to my VM...

Java

Large swap allocation bug

by: Robert May | last post by:

Hi, I am trying to execute some code compiled by g++ on Linux and have found that after some time, the program allocates a huge amount of swap space (250MB on my machine which has 512MB...

C / C++

Swap space usage

by: cnprasad | last post by:

Hello, I have ntoiced something peculiar happening on our db2 instance. It serves as the backend rdbms for a java application that is hosted on websphere app server. The app server has a...

DB2 Database

Swap space size in C

by: Otto Meijer | last post by:

Hi everyone, for one of my projects I need to figure out the size of the swap file(s) of a certain system. The problem is I need to do this on a host of platforms like: HP_UX, Solaris, Linux,...

C / C++

Out of swap space & memory

by: Kevin Bartz | last post by:

I'm de-duping a 45-million-row table (about 4 gigs) by creating a new table with the unique rows of the first table (should be about 3 gigs). I'm on a 64-bit SuSE Linux with 2 gigs of memory and...

PostgreSQL Database

FW: Out of swap space & memory

by: Kevin Bartz | last post by:

-----Original Message----- From: Kevin Bartz Sent: Monday, August 09, 2004 10:37 AM To: 'mike@thegodshalls.com' Subject: RE: Out of swap space & memory Thanks for your reply, Mike!...

PostgreSQL Database

Perfomance test

by: James T. | last post by:

Hello! Let's say I have 2 functions, both return data from the database. Now I would like to compare perfomance of these two functions. I would like to know how long it takes to execute these...

ASP.NET

How to turn on java script in a villaon keypad mobile phone

by: Charles Arthur | last post by:

How do i turn on java script on a villaon, callus and itel keypad mobile phone

Java

Navigating the Data Structures and Algorithms (DSA)

by: BarryA | last post by:

What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...

Algorithms / Advanced Math

Looking to do Android software development, any suggestions? Is flutter better?

by: nemocccc | last post by:

hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?

General

Is that possible of reading the .csv file in column wise and the column have different lengths ?

by: Sonnysonu | last post by:

This is the data of csv file 1 2 3 1 2 3 1 2 3 1 2 3 2 3 2 3 3 the lengths should be different i have to store the data by column-wise with in the specific length. suppose the i have to...

C / C++

How to build RAID in BIOS?

by: Hystou | last post by:

There are some requirements for setting up RAID: 1. The motherboard and BIOS support RAID configuration. 2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...

Computer Hardware

Changing the language in Windows 10

by: Hystou | last post by:

Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...

Windows Server

Problem With Comparison Operator <=> in G++

by: Oralloy | last post by:

Hello folks, I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>". The problem is that using the GNU compilers,...

C / C++

Maximizing Business Potential: The Nexus of Website Design and Digital Marketing

by: jinu1996 | last post by:

In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...

Online Marketing

The easy way to turn off automatic updates for Windows 10/11

by: Hystou | last post by:

Overview: Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...

Windows Server