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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💬

Thread Test on HotSpot 1.6
This section provides a tutorial example to see how many running threads can be supported on HotSpot 1.6.0_02 Client and Server JVMs.
2022-10-01, ∼196🔥, 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, ∼193🔥, 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, ∼191🔥, 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, ∼188🔥, 0💬

Performance Test and System Interruptions
This section provides a tutorial showing performance measurement impact of operating system interruptions on JVM.
2022-10-01, ∼187🔥, 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, ∼186🔥, 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, ∼176🔥, 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, ∼176🔥, 0💬

Thread Test on HotSpot 1.4 and JRockit 7.0
This section provides a tutorial example to see how many running threads can be supported on HotSpot 1.4.0_02 Client/Server and JRockit 7.0 JVMs.
2022-10-01, ∼171🔥, 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, ∼168🔥, 0💬

"-XX:+PrintGCDetails" - Garbage Collection Logging
This section describes HotSpot JVM options to generate garbage collection logging messages. It also describes log message format to help us understand what the JVM is telling us.
2022-10-01, ∼100🔥, 0💬

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