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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, ∼217🔥, 0💬

Parallel Collector Stops Application for Minor/Major GC
This section provides log messages showing that the Parallel Collector stops the application for both Minor GC and Major GC. 2022-10-01, ∼217🔥, 0💬

Archived: Testing with LongSleep.java
This section provides a tutorial example on how to run LongSleep.java with JRockit 8.0 and compare it with HotSpot. 2022-10-01, ∼216🔥, 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, ∼216🔥, 0💬

GCPerfP99V2.java - Percentile Performance with Load
This section provides a GC test program, GCPerfP99V2.java, that uses percentile performance measurements with extra work loads. 2022-10-01, ∼216🔥, 0💬

Java Exception: "java.lang.OutOfMemoryError: Java heap space"
This section provides a tutorial example on how JVM expands the Heap space to allocate more objects and leads to the 'java.lang.OutOfMemoryError: Java heap space' Java exception, if it is not allowed to expand any more. 2022-10-01, ∼216🔥, 0💬

Serial GC Tracing - Aged Live Objects
This section provides a tutorial of tracing how Serial GC increases the age of objects survived each additional GC in 'from' space. 2022-10-01, ∼216🔥, 0💬

OutOfMemoryError Comparison of HotSpot and JRockit
This section provides a tutorial example to compare the OutOfMemoryError exception between HotSpot 12, 10, 1.8, 1.7, 1.6 and JRockit 28.2.7. 2022-10-01, ∼215🔥, 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, ∼215🔥, 0💬

Usage Report on Heap Memory Areas
This section provides explanations of the usage report on heap memory areas generated by the '-XX:+PrintGCDetails' option. 2022-10-01, ∼212🔥, 0💬

GCPerformance.java - Program Output
This section describes output data generated by the GC tuning test program - GCPerformance.java. 2022-10-01, ∼211🔥, 0💬

What Is Parallel Collector
This section describes the Parallel Collector, which uses the combination of the Parallel Scavenge (PS) Collector of Young generation and the Parallel Old Collector of Tenured generation, so both minor GC and major GC are performed in multiple threads parallelly in a stop-the-world fashion. 2022-10-01, ∼208🔥, 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 minor GC only; running more major GC; impact of parallel threads; impact of concurrent threads. 2022-10-01, ∼204🔥, 0💬

Parallel Collector Adaptive Size Policy
This section describes the Adaptive Size Policy supported by the Parallel Collector to dynamically change heap generation sizes to latency, throughput and footprint goals sequentially. 2022-10-01, ∼202🔥, 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, ∼201🔥, 0💬

OutOfMemoryError Comparison of HotSpot and JRockit
This section provides a tutorial example to compare the OutOfMemoryError exception between HotSpot 1.8, 1.7, 1.6 and JRockit 28.2.7. 2022-10-01, ∼201🔥, 0💬

Best Garbage Collector and Configuration
This section describes the best garbage collector and configuration for our performance test program, GCPrefp99.java. 2022-10-01, ∼201🔥, 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, ∼200🔥, 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, ∼200🔥, 0💬

Tenured Generation Collection - Major GC
This section describes basic steps of a Tenured Generation Collection, also called a Major GC, which uses a simple 3-step Mark-Sweep-Compact algorithm on the entire Tenured Generation. 2022-10-01, ∼200🔥, 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, ∼200🔥, 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, ∼198🔥, 0💬

Garbage Collection Performance Test Program
This chapter provides tutorial notes and example codes on garbage collection performance test programs. Topics include throughput performance calculation; latency performance calculation; operating system interruptions; P99 (99th Percentile) performance; running JVM with highest priority. 2022-10-01, ∼198🔥, 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, ∼197🔥, 0💬

<< < … 6 7 8 9 10 11 12 13 > >>   ∑:301  Sort:Rank

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 Reference REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO