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Young Generation Collection - Minor GC
This section describes basic steps of a Young Generation Collection, also called a Minor GC. The Young Generation is divided into 3 areas: Eden, Survivor Space 'From' and Survivor Space 'To'. 2022-10-01, ∼364🔥, 0💬

PSYoungGen Collector Using Tenuring Age
This section demonstrates that the PSYoungGen Collector uses Tenuring Age to perform Young generation GC. But it does not maintain the object age distribution list. 2022-10-01, ∼364🔥, 0💬

Garbage Collection Performance Test Summary
This chapter provides discussions on GC performance test result. Topics include comparison of performances of different garbage collectors; suggestions to use garbage collectors more efficiently. 2022-10-01, ∼363🔥, 0💬

GCPerformance.java - Program Output
This section describes output data generated by the GC tuning test program - GCPerformance.java. 2022-10-01, ∼362🔥, 0💬

Micro Benchmark Tests on "int" Operations
This chapter provides tutorial notes and example codes on micro benchmark tests on 'int' data type operations. Topics include empty loop, assignment loop, shift operation, add operation, multiplication operation and division operation. 2022-10-01, ∼361🔥, 0💬

Parallel Collector Stopped using Young Generation
This section provides a tutorial on how Adaptive Size Policy is used by the Parallel collector to our best latency goal. 2022-10-01, ∼361🔥, 0💬

JRockit JVM 28.2.7 by Oracle Corporation
This chapter provides tutorial notes and example codes on JRockit JVM. Topics include downloading and installing JRockit R28.2.7; running Java programs on JRockit JVM; memory footprint of JRockit JVM; JRockit Mission Control tools; JRockit Management Console for JRockit and HotSpot JVMs. 2022-10-01, ∼359🔥, 0💬

OpenJ9 by Eclipse Foundation
This chapter provides tutorial notes and example codes on OpenJ9 JVM. Topics include downloading and installing OpenJ9; running Java programs on OpenJ9 JVM; memory footprint of OpenJ9 JVM; comparison of startup time and footprint between OpenJ9 and HotSpot. 2022-10-01, ∼357🔥, 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 Young GC only, running more Old GC. 2022-10-01, ∼357🔥, 0💬

JRockit Management Console on HotSpot JVM
This section provides a tutorial example on how to use Oracle JRockit Management Console to monitor and manage HotSpot JVM instances. 2022-03-11, ∼357🔥, 2💬

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General Suggestions for Better GC Performance
This section describes some general rules used by JVM to manage memory and get better GC performance. 2022-10-01, ∼356🔥, 0💬

GCPerfP99V2.java - Object Number and Size
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, ∼355🔥, 0💬

Parallel Collector Changing NewRatio and SurvivorRatio
This section demonstrates that the Parallel Collector changes the NewRatio and the SurvivorRatio dynamically, even they are specified in command line. 2022-10-01, ∼354🔥, 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, ∼352🔥, 0💬

Archived: 640/400/40MB Test on JRockit 28.2
This section provides a tutorial example on running GCTest2.java on JRockit 28.2.7 with 640MB memory limit and a 400MB base plus 40MB fluctuating memory usage with object size of 1.25MB. 2022-10-01, ∼352🔥, 0💬

Serial Collector Stops Application for Minor/Major GC
This section provides log messages showing that the Serial Collector stops the application for both Minor GC and Major GC. 2022-10-01, ∼351🔥, 0💬

Performance Tests on Serial Collector
This chapter provides tutorial notes and example codes on performance impact of Serial collector, Topics include heap footprint; GC logging impact; wait time impact; heap size impact; running Young GC only, running more Old GC. 2022-10-01, ∼350🔥, 0💬

"START /REALTIME" - Run JVM with Highest Priority
This section provides a tutorial showing how to use 'START /REALTIME' command to run JVM with highest priority on Windows systems. 2022-10-01, ∼350🔥, 0💬

Performance Test and System Interruptions
This section provides a tutorial showing performance measurement impact of operating system interruptions on JVM. 2022-10-01, ∼348🔥, 0💬

References
List of reference materials used in this book. 2022-10-01, ∼348🔥, 0💬

GCPerformance.java - GC Performance Test Program
This section describes a GC performance test program - GCPerformance.java. 2022-10-01, ∼348🔥, 0💬

Performance Impact of Object Size
This section provides tests to find out performance impact of the object size. Java manages larger objects more efficiently for the same total amount of data. 2022-10-01, ∼347🔥, 0💬

Introduction of Garbage Collectors
This chapter provides tutorial notes and example codes on garbage collectors. Topics include JVM memory management summary; Introduction of Generational Garbage Collector; Young and Tenured Heap regions; Eden and Survivor spaces; Mark-Sweep-Compact algorithm; Garbage collector variations. 2022-10-01, ∼347🔥, 0💬

Object References and Garbage Collection
This chapter provides tutorial notes and example codes on Object References and Garbage Collection. Topics include object reference types; strong reference test program; final reference test program; dead objects with final references in heap; performance impact of final references. 2022-10-01, ∼344🔥, 0💬

<< < … 5 6 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