Code with performance in mind! Follow these next 7 good coding practises that can be easily achieved for high performance! Read the rest of this entry »
Following our high performance application in java coding:
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High performance web sites and applications can start from the design coding level. Most of the time, performance tuning we view comes at the later stage of the development life cycle, in particular at the deployment stage. What can we do by deployment stage? We can only tune start up parameters, add more hardware, or add more network components in the architecture. But what if the problem is in the JVM where you diagnose it to be poor application performance due to coding? Changing codes at this stage will be more expensive and difficult unlike when you are in the development stage! Read the rest of this entry »
If you are working with IBM Rational Robot and TestManager, and working with Java Serialized Stream, you may consider this 3rd party extension, JSS Extension from Zyntax. Usually serialized streams are not viewable by the user and this creates the challenge of customizing the serialized streams. The JSS Extension transforms raw socket data in previously recorded test scripts into lines that separate and identify the data elements of the Java Objects being transferred. The newly formed scripts can then be used to perform load, stress, and performance testing and benchmarking against the application. Read the rest of this entry »
The NoClassDefFoundError for Java-RMI protocol. There are several possibilities that this error occur such as (a) incomplete configuration of the Java environment requirements (refer to “Working with RMI-Java”), (b) incomplete reference to the Java libraries (usually located in {loadrunner-installation}\classes and {loadrunner-installation}\classes\srv after the required copy of the application’s Java classes are placed in them) and (c) incorrect -Xbootclasspath to inform VUgen to point to the Java libraries for recording.