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What Is java.lang.ClassLoader Class
This section describes what is java.lang.ClassLoader class - A built-in abstract class that represents ClassLoaders used in JRE to load dynamically Java classes into the JVM. 2022-10-01, ∼452🔥, 0💬

HotSpot Memory Usages on Windows Systems
This section provides a tutorial example on how to check HotSpot memory usages on Windows systems using the Runtime class. 2022-10-01, ∼451🔥, 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, ∼451🔥, 0💬

GC Log Message Examples of Serial Collector
This section provides an example of GC log messages generated from the Serial Collector. 2022-10-01, ∼450🔥, 0💬

CrashThread2.java - Thread Testing Program
This section describes a thread testing programs, CrashThread2.java, that keep adding new thread in a while loop. 2022-10-01, ∼448🔥, 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, ∼448🔥, 0💬

Serial GC Tracing - Tight Heap (Part 2)
This section provides part 2 of a tutorial on tracing how Serial GC works with a tight heap size. 2022-10-01, ∼447🔥, 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, ∼446🔥, 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, ∼443🔥, 0💬

GCPerfP99.java - 99th Percentile Performance
This section provides a GC test program, GCPerfP99.java, that uses 99th percentile performance measurements. 2022-10-01, ∼443🔥, 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, ∼443🔥, 2💬

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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, ∼442🔥, 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, ∼440🔥, 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, ∼438🔥, 0💬

GCPerformance.java - Program Output
This section describes output data generated by the GC tuning test program - GCPerformance.java. 2022-10-01, ∼436🔥, 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, ∼435🔥, 0💬

GCPerformance.java - GC Performance Test Program
This section describes a GC performance test program - GCPerformance.java. 2022-10-01, ∼435🔥, 0💬

Performance Test and System Interruptions
This section provides a tutorial showing performance measurement impact of operating system interruptions on JVM. 2022-10-01, ∼434🔥, 0💬

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, ∼434🔥, 0💬

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, ∼433🔥, 0💬

Minor GC Triggering Condition of Serial Collector
This section describes the triggering condition of the Serial collector Minor GC process. The condition is the failure of new object allocation in 'eden'. 2022-10-01, ∼432🔥, 0💬

Performance Tests on G1 collector
This chapter provides tutorial notes and example codes on performance impact of G1 collector, Topics include heap footprint; heap size impact; running minor GC only, running more major GC. 2022-10-01, ∼432🔥, 0💬

ClassChecker.java - Reports Class Loader
This section provides a tutorial example, ClassChecker.java, which reports the class loader by the JVM to load a given class. 2022-10-01, ∼431🔥, 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, ∼431🔥, 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