Too many open files解决方法
作者:anotherbug 日期:2008-05-14
CODE:
vi /etc/security/limits.conf
[code]
#Each line describes a limit for a user in the form:
#
#<domain> <type> <item> <value>
#
#Where:
#<domain> can be:
# - an user name
# - a group name, with @group syntax
# - t...
php5兼容php4 domxml
作者:anotherbug 日期:2008-05-07
Scripts for PHP4 domxml compatible with PHP5 dom
In order to run your PHP4 scripts that use domxml on a server moving to PHP5, you only need to include the file domxml-php4-to-php5.php in your PHP4 source code, this way:
[code]
if (version_compare(PHP_VERSION,'5','>='))
require_once(...
Enhancing WEB APP Performance with cache
作者:anotherbug 日期:2008-04-23
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<h2>Introduction</h2>
<p>Memory is a constant bottleneck for large, busy applications. It is also the area in web development where the most abuse occurs and where the most benefit may be gained. In some cases, effective caching strategies can both lower the memory footprint and...
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Distributed Computing Made Easy
作者:anotherbug 日期:2008-04-23
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<h2>Introduction</h2>
<p>In case you haven't noticed, distributed computing is hard. </p>
<p>The problem is that it is becoming increasingly important in the world of enterprise application development. Today, developers continuously need to address questions like...
标签: Grid Distributed Computing
Cluster Tech:in mem session replication in tomcat
作者:anotherbug 日期:2008-04-23
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<h2>Introduction</h2>
<p>
Many of you have heard the term clustering. It is being thrown around as a buzzword by sales people, developers and just about anybody that deals with J2EE technology. For a lot of people it just remains a buzzword, while others dedicate large amounts ...
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Implementing a Data Cache using Readers And Writer
作者:anotherbug 日期:2008-04-23
Clusting the TSS
作者:anotherbug 日期:2008-04-23
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<h2>Introduction - The Portability Challenge</h2>
<p>
One of the primary benefits of J2EE over its competitors is it's claim to true portability. This has been the rallying cry for J2EE and its single most important trait, a trait that has allowed J2EE to grow as a lively comm...
Optimizing Java App
作者:anotherbug 日期:2008-04-23
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<h2>Use sound practices to make code-and development teams-more efficient</h2>
<p>
Without the right tools and techniques, tuning for performance can be unbearably difficult, yet you can't afford to turn your back on the process. It's absolutely critical. With the size and comp...
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Object Slicing and Component Design with Java
作者:anotherbug 日期:2008-04-23
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<h2>Motivation</h2>
<p>Object-oriented systems are usually partitioned into layers of related responsibilities
and only dependencies in one direction are allowed, from higher layers (more
specific, less reusable) to lower ones (more general, more reusable). Classes
in hig...
Novell extend joins TSS Cluster
作者:anotherbug 日期:2008-04-23
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<h2>Introduction - The Portability Challenge</h2>
<p>
At the end of September 2002, TheServerSide ported its codebase to be clusterable around BEA WebLogic 7, and Oracle 9iAS - the ultimate display of J2EE portability in action.
We then wrote <a href="/tt/articles/arti...
J2EE Best Practices for Performance
作者:anotherbug 日期:2008-04-23
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Learn all about the best practices for performance engineering in J2EE Web applications. This chapter, excerpted from Wiley's "J2EE Best Practices: Java Design Patterns, Automation, and Performance", looks at the role of performance in the development process and discusses a number of tech...
标签: J2EE performance
J2EE Clustering
作者:anotherbug 日期:2008-04-23
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<h1> Preface </h1>
<p> More and more mission-critical and large scale applications are now running on Java 2, Enterprise Edition (J2EE). Those mission-critical applications such as banking and billing ask for more high availability (HA), while those large scale systems such as Goo...
Pro Java EE 5 Peformance Management and Optimizati
作者:anotherbug 日期:2008-04-23
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Pro Java EE 5 Peformance Management and Optimization features proven methodology to guarantee top-performing Java EE 5 applications and explains how to measure performance in your specific environment. The book details performance integration points throughout the development and deployment lifecycl...
Using Terracotta DSO
作者:anotherbug 日期:2008-04-23
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<P>Terracotta DSO is an open source technology created by Terracotta, meant to provide clustering to Java at the virtual machine level. It does so by weaving code around specific classes, which will communicate with a specific server process to retrieve and update data as needed.</P>
&l...
标签: Terracotta DSO
Performance Tuning J2EE Applications on MYSQL
作者:anotherbug 日期:2008-04-23
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Performance Tuning J2EE Applications deployed on MySQL
Last week I attended Mark Matthew's "Performance Tuning J2EE Applications deployed on MySQL" at the MySQL Conference (see Anthony's Review). Mark's presentation had a lot of tips and tricks with the MySQL JDBC Driver. I asked him to s...
标签: mysql J2EE performance
