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Archived: 1076/800/80MB Test on HotSpot Client 1.7
This section provides a tutorial example on running GCTest2.java on HotSpot Client JVM 1.7.0_45 with 1076MB memory limit and a 800MB base plus 80MB fluctuating memory usage with object size of 1.25MB. It crashed almost immediately. 2022-10-01, ∼405🔥, 0💬

Heap Memory Area and Size Control
This chapter provides tutorial notes and example codes on heap memory area. Topics include OutOfMemoryError exception; Heap memory area allocation limits; OutOfMemoryError comparison of HotSpot and JRockit. 2022-10-01, ∼401🔥, 0💬

ClassChecker.java - Reports Class Locations
This section provides a tutorial example, ClassChecker.java, which reports class locations from the classpath of a given class. 2022-10-01, ∼400🔥, 0💬

Performance Impact of Wait Time
This section provides tests to find out performance impact of the wait time between each chunk operations. Increasing wait time seems to decrease throughput performance. 2022-10-01, ∼399🔥, 0💬

What JRockit Management Console
This section describes the Oracle JRockit Management Console which a GUI tool to monitor and manage JRockit JVM. It is part of the JRockit Mission Control tool set. 2022-10-01, ∼397🔥, 0💬

ParNew Collector - Tenuring Age Distribution
This section demonstrates that the ParNew Collector uses Tenuring Age Distribution to perform Young generation GC. 2022-10-01, ∼397🔥, 0💬

Generational Garbage Collection in HotSpot
This section describes the generational garbage collection architecture used in the HotSpot JVM. Young Generation stores objects with shorter lives and Tenured Generation stores objects with longer lives. 2022-10-01, ∼396🔥, 0💬

Archived: 640/400/40MB Test on HotSpot Client 1.6
This section provides a tutorial example on running GCTest2.java on HotSpot Client JVM 1.6.0_45 with 640MB memory limit and a 400MB base plus 40MB fluctuating memory usage with object size of 1.25MB. 2022-10-01, ∼393🔥, 0💬

GCPerfP99.java - Output Verification
This section provides tutorials to verify output from GCPerfP99.java test runs. System interrupts are successfully excluded from performance calculation. 2022-10-01, ∼392🔥, 0💬

Performance Tests on Concurrent collector
This chapter provides tutorial notes and example codes on performance impact of Concurrent collector, Topics include heap footprint; heap size impact; running Young GC only; running more Old GC; impact of parallel threads; impact of concurrent threads. 2022-10-01, ∼392🔥, 0💬

GCPerfP99.java - Output Verification
This section provides tutorials to verify output from GCPerfP99.java test runs. System interrupts are successfully excluded from performance calculation. 2022-10-01, ∼390🔥, 0💬

What Is JRockit Mission Control?
This section describes JRockit Mission Control, which is a set of JVM monitoring and management tools including Management Console, Runtime Analyzer and Memory Leak Detector. 2022-10-01, ∼389🔥, 0💬

Adaptive Size Policy Changed Survivor Space
This section provides a tutorial on how Adaptive Size Policy used by the Parallel collector changed the survivor space in the Young generation. 2022-10-01, ∼389🔥, 0💬

Memory Footprint of JRockit R28.2.7
This section provides a tutorial example on how to check memory footprint of JRockit 6 R28.2.7 on Windows systems. JRockit has a much higher footprint than HotSpot. 2022-10-01, ∼388🔥, 0💬

JVM Memory Manager - Garbage Collector
This section describes what is a garbage collector and its role and responsibilities for managing the JVM memory. 2022-10-01, ∼388🔥, 0💬

Archived: 441/400/40MB Test on JRockit 28.2
This section provides a tutorial example on running GCTest2.java on JRockit 28.2.7 with 441MB memory limit and a 400MB base plus 40MB fluctuating memory usage with object size of 1.25MB. 1 extra MB is enough for the GC to work. 2022-10-01, ∼386🔥, 0💬

Thread Test on HotSpot JVM 10
This section provides a tutorial example to see how many running threads can be supported on HotSpot 1.7.0_45 Client and Server JVMs. 2022-10-01, ∼382🔥, 0💬

Adaptive Size Policy Changed Eden Space
This section provides a tutorial on how Adaptive Size Policy used by the Parallel collector changed the eden space in the Young generation to meet the throughput goal. 2022-10-01, ∼380🔥, 0💬

Performance Tests on Parallel collector
This chapter provides tutorial notes and example codes on performance impact of Parallel collector, Topics include heap footprint; heap size impact; running minor GC only, running more major GC. 2022-10-01, ∼379🔥, 0💬

Thread Test on HotSpot 1.7
This section provides a tutorial example to see how many running threads can be supported on HotSpot 1.7.0_45 Client and Server JVMs. 2022-10-01, ∼378🔥, 0💬

GCPerfP99V2.java - Work Load Level
This section provides tutorials to find the work load level for the GCPerfP99V2.java program to the impact of execution environment interruptions to a very level. Work load of 1000 gives me a coefficient variation of 1.22% on my computer used in 2019. 2022-10-01, ∼378🔥, 0💬

Archived: 1076/800/80MB Test on HotSpot Client 1.6
This section provides a tutorial example on running GCTest2.java on HotSpot Client JVM 1.6.0_45 with 1076MB memory limit and a 800MB base plus 80MB fluctuating memory usage with object size of 1.25MB. 2022-10-01, ∼378🔥, 0💬

Thread Test on JRockit 28.7
This section provides a tutorial example to see how many running threads can be supported on JRockit R28.2.7 JVMs. 2022-10-01, ∼376🔥, 0💬

Archived: Download and Install Latest JDK 10 on Windows
This section provides a tutorial example on how to download and install the latest version JDK, which contains the HotSpot JVM, on a Windows system. A simple Java program was entered, compiled, and executed to verify the JDK installation. 2022-10-01, ∼374🔥, 0💬

<< < … 7 8 9 10 11 12 13 >   ∑:301  Sort:Date

Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO