JVM memory allocation policy
Minor GC: Minor GC refers to the generation of garbage collections that occur in the next generation because Java objects tend to die in the...
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Tag: jvm
Learn more about the G1 Garbage Collector!!
December 14, 2023
by Glenn Dorsey
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The G1 Garbage Collector is a garbage collector primarily for server-side applications. As a milestone in the evolution of garbage collector technology, the G1 garbage...
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Sureness 1.0.4 release – a high-performance authentication framework for REST APIs
December 14, 2023
by Leanne Russell
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Sureness is a high performance authentication framework for REST APIs, dedicated to managing and protecting API security. Gitee GithubFeatures has released the new website and...
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Read the secrets of the JAR package
December 14, 2023
by Margaret Bryant
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Java programmers are either creating JARs every day or on their way to creating JARs, and various dependency references are presented in the form of...
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Remember a custom Tomcat ClassLoader problem check
December 14, 2023
by Ritvik Sule
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The current project under development requires isolation of the Spark environment, so a custom implementation of the SparkClassLoader is implemented. When the SparkSession is actually...
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Describe the CPU multi-core concurrent cache architecture, the JVM model, and the JMM multi-threaded memory model
December 13, 2023
by Dennis Gray
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Early CPUs were low-performance, single-core, and interacted directly with main memory, reading and writing data from it. As CPUs were upgraded, the match between main...
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Performance Monitoring tools – Visualization tools
December 13, 2023
by 楊雅文
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JVM advanced path 9, detailed introduction of the JDK with visual JVM performance monitoring tools -- JConsole, VisualVM, JMC, a brief introduction to third-party tools.
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JVM garbage collector and memory allocation strategy
December 13, 2023
by 遊信宏
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Garbage Collection is a Collection of parts of the Java memory region, where the program counter, the virtual machine stack, and the local method stack...
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One day – When the JVM stops the world
December 13, 2023
by Beverly Lewis
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Timing to enter SafePoint: each - XX: GuaranteedSafepointInterval configuration of time, can let all threads into SafePoint, once all threads into, recover from SafePoint immediately....
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Learning from scratch ->JVM (3) : Class loader (1)
December 13, 2023
by Carol Baker
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As we now know, the JVM is the foundation of the Java language, the foundation on which Java programs run, and a necessary prerequisite for...
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JVM_03 Runtime data area 1-[program counter + virtual machine stack + local method stack]
December 13, 2023
by Sarah Glenn
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Memory is a very important system resource. It is the intermediate warehouse and bridge between hard disk and CPU, carrying the operating system and application...
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G1 garbage collector for Java Virtual Machines
December 13, 2023
by John Davis
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Let's take a closer look at the latest and most popular example of the current Java GC Collector: Garbage-First Garbage Collector The G1 Collector is...
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JVM garbage collection algorithms and garbage collectors are commonly used
December 13, 2023
by William Ortiz
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The efficiency of mark-collation algorithm can be greatly improved when the object survival rate is high. MinorGC is triggered when Eden is full. That is,...
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03- Runtime data areas and program counters
December 13, 2023
by Michael Mcclain
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[TOC] 3. Runtime data area and program counter 3.1. Overview This section focuses on the runtime data area, which is shown in the following figure,...
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JVM memory analysis tool MAT in depth and practice – advanced part
December 13, 2023
by Purab Datta
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This series consists of three articles. This is the second advanced part of the series, which explains the core functions, usage and application scenarios of...
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JVM Basics – Runtime data area
December 13, 2023
by Nathan Francis
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Java Concurrency Programming JVM 1, Overview of runtime data areas and Threads 1.1 Structure of runtime data areas This section focuses on runtime data areas,...
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Understand how Class files are loaded into the JVM
December 13, 2023
by Christopher White
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If the binding is dynamic or late, the parsing phase is not executed immediately after the preparation phase. Let's take a look at how to...
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JVM performance tuning monitoring tool
December 13, 2023
by Colin Akhtar
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This article mainly learns to record the work commonly used JDK with some JVM performance tuning monitoring tools, through understanding these tools, can give us...
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Does the JVM allow objects to be “allocated on the stack” through “escape analysis”?
December 13, 2023
by Julie Best
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Then he talks to the candidate about "escape analysis" in which the JVM assigns instance objects to the "stack." In fact, this statement is not...
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JVM learning diary ⭐️HotSpot garbage collector (下)⭐️
December 13, 2023
by Hiran Kaur
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"This is the 22nd day of my participation in the August More text Challenge" 🔉 Introduction Next, finish the rest of the garbage collector. ⭐️...
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Java VIRTUAL machine class loading mechanism
December 13, 2023
by Craig Jensen-Middleton
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As we know, a.java file is compiled to form one or more Class files (or multiple Class files if a Class contains inner classes) that...
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JVM GC time increases frequently, I will teach you to check
December 13, 2023
by Amira Lad
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1. Background LongGC alarms are generated in applications of multiple service lines. In the recent period, LongGC alarms are frequently received from CAT (LongGC alarms...
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Guava source code analysis (Cache principle)
December 13, 2023
by Danielle Bowman
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Guava is a core enhanced Java library that is widely used. I usually use quite frequently, this time with the help of daily use of...
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In what part of the JVM does GC occur, there are several GCS, and what are their algorithms?
December 13, 2023
by Aniruddh Sule
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This is the 18th day of my participation in the August Update Challenge. Check out the event details: In which part of the JVM does...
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Learning from the ground up ->JVM (6) : Threads and JVM relationships
December 13, 2023
by Ellen Christensen
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In front of the Class loader articles, we can see that the Class loader by Java Class bytecode file, create a Class object, and through...
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Garbage collector ParNew and CMS
December 13, 2023
by 丁怡安
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Garbage collector is inseparable from garbage collection algorithm. The garbage collection algorithm is based on generational collection theory. That is, our heap area is usually...
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Java multithreading: From basic concepts to a guide to avoiding pitfalls
December 13, 2023
by Dr. Carol Jones
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Multicore machines are now very common. Even a mobile phone is equipped with a powerful multi-core processor. By means of multi-process and multi-thread, multiple cpus...
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My first book, Understanding JVM Bytecode in Depth, was published
December 13, 2023
by 李依婷
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After nearly a year, my first book, Understanding JVM Bytecode In Depth, is finally published. The idea for this book came from the gold-digger booklet...
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JMM(Java Memory Model)
December 13, 2023
by Benjamin Begum-Clark
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For example, if you put seven longs before and after a long variable, long is 8 bytes long, so the variable takes up a line...
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