The Best jvm tutorial and blogs for Beginners and Experts at Moment For Technology

Netty(2) Why is Netty high-performance from the perspective of thread model?

December 13, 2023

by Joanne Jackson

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You learned about Netty in the previous SpringBoot article on integrating long-connection heartbeat mechanisms. But it only works. Why use Netty? What are its advantages?...

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JVM Monitoring and Diagnostics tools – Command line part 1

December 13, 2023

by Samuel Bary

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Performance diagnosis is a problem that software engineers often face and solve in their daily work. In today's user-experience oriented world, solving performance problems of...

android

JVM memory structure, code runtime stack changes, GC diagrams

December 13, 2023

by Kevin Arroyo

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! [image.png](https://p1-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/e610b8af56254133b5aa92fdef616045~tplv

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The JVM thread context class loader ServiceLoader

December 13, 2023

by Tony Robinson

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The ServLoader provides a driver. class that loads all the driver. classes. How does it do that?

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Volatile in Java

December 13, 2023

by Andrew Forsyth

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Volatile can be seen as lightweight Synchronized in that it only ensures the visibility of shared variables. After thread A modifies the shared variable that...

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High CPU footprint for JVM tuning

December 13, 2023

by 蕭宗翰

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Make writing a habit together! This is the 13th day of my participation in the "Gold Digging Day New Plan · April More Text Challenge"....

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Is the hash of a Java object recomputed every time the hashCode() method is called? New Year’s essay

December 13, 2023

by Brooke Wright

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For objects that do not override the hashCode() method, the hash value is implemented by the underlying JDKC++ source code. Each instance calls the hashCode()...

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JVM heap and garbage collection

December 13, 2023

by 喬彥廷

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Preface Heap structure about garbage collection Minor GC for young generation. Garbage collection generally uses an accessibility analysis algorithm. The reachabness analysis algorithm will clear...

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Turns out it’s responsible for frequent FGC

December 13, 2023

by Mr. Samuel Richardson

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However, I have located the abnormal operation last time. The data funnel is only used by internal personnel such as product and operation, and it...

android

JVM class loading mechanism

December 13, 2023

by 楊志宏

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The life cycle of a class from when it is loaded into virtual machine memory to when it is unloaded from memory is shown in...

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Poor Java foundation? Learning basic boring? Find another way to learn! Handwritten data type

December 12, 2023

by Douglas Perez

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Hello, everyone. I'm the hardcore guy who steals everyone's job when he can live by his face. Double is special in that it is stored...

android

LCODER JVM series: Class file structure

December 12, 2023

by 楊怡伶

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Computers only recognize zeros and ones, so we write programs that need to be compiled by a compiler into a binary format of zeros and...

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☕JVM technology hands-on – take a look at TomcatGC configuration

December 12, 2023

by Navya Korpal

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The task of garbage collection is to identify and collect garbage objects for memory cleaning. In most cases, the system is required to enter a...

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Java memory model

December 12, 2023

by Rhea Sachar

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Interviews that ask about "memory models" usually look at Java memory structures and GC rather than more in-depth, detailed stuff like happens-before. Memory model is...

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The JVM | garbage collection strategy (3)

December 12, 2023

by Matthew Hill

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When the garbage collector is preparing to reclaim an object, if it finds that it has a virtual reference, it will add the virtual reference...

android

In the second half of 2017, the first and second tier Internet companies Android interview questions summary

December 12, 2023

by Patricia Jones

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Interview questions from Alibaba, Baidu, Tencent, 360, Xiaomi, netease,Android senior engineers in 2017.

reading

Learn more about the JVM(II) – SUMMARY of JVM garbage collection

December 12, 2023

by 趙雅筑

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JVM garbage collection is the simplest thing that can be solved with effort! I recently learned something about the JVM. It has been a year...

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Learn more about the JVM: (3) object creation and memory allocation

December 12, 2023

by Steven Goodwin

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Preface two. Object creation load class step, the next step is not described, more details can be seen in the following... However, there are more...

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< JVM MIDI: Loading bytecodes and Classes > 01-class bytecode file structure

December 12, 2023

by William Ortiz

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[TOC] Class File structure 1. Class Bytecode file structure 2. Class File Data Type Data Type Definition Description Unsigned number Unsigned number can be used...

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JVM series 3 class loading

December 12, 2023

by Nigel Knox

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In fact, the class loading process should be in the first series of THE JVM, because I started with the JVM memory structure, so I...

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Object instantiation and direct memory

December 12, 2023

by 何宗翰

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[TOC] 8. Object instantiation and direct memory New: the most common method, static method of Xxx, static method of XxxBuilder/XxxFactory Cla

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JVM memory allocation and reclamation policies

December 12, 2023

by Hayley Owen

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In most cases, objects are allocated in the Eden region of the new generation. When the Eden area does not have enough space to allocate,...

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JVM memory model

December 12, 2023

by 呂怡安

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Each thread has a program counter, which is private and a small memory space. It is a pointer to the method bytecode in the method...

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A brief analysis of JVM memory optimization

December 12, 2023

by Deborah Smith

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Starting point Why should we analyze the logs of these two (or more) services? Because dialogue on the user conversation link (request from the user)...

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Java reflection in detail

December 12, 2023

by Tania Wilton

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Java reflection is an important one, and you'll see reflection in a lot of places. It provides the Java language's ability to load, explore, and...

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In-depth understanding of Java Virtual Machine Notes Chapter3- Memory Allocation Policies

December 12, 2023

by Renee Hayre

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It happens very frequently, very quickly. It is typically 10 times slower than the Minor GC. Large objects are Java objects that require a large...

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JVM classloaders with parental delegation model (JDK8)

December 12, 2023

by Rebecca Harmon

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How does the ClassCloader work in the JVM? This article will take you to uncover its mysterious veil

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JVM&GC analyses

December 12, 2023

by 劉怡伶

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Methods area: The JVM has a method area that is shared between all JVM threads and is used to store information about classes loaded by...

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Simple JVM troubleshooting – High memory footprint

December 12, 2023

by 張慧君

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This article introduces some simple troubleshooting methods for finding large JVM memory problems, mainly divided into three small methods: Jmap-Histo Jhat VisualVM

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The basic structure of the JVM

December 12, 2023

by Stephen Shepard

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This article is some notes of the second chapter. Where -options represents the JVM startup parameters, class is the Java class with main(), and args...

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Tag: jvm

Netty(2) Why is Netty high-performance from the perspective of thread model?

JVM Monitoring and Diagnostics tools – Command line part 1

JVM memory structure, code runtime stack changes, GC diagrams

The JVM thread context class loader ServiceLoader

Volatile in Java

High CPU footprint for JVM tuning

Is the hash of a Java object recomputed every time the hashCode() method is called? New Year’s essay

JVM heap and garbage collection

Turns out it’s responsible for frequent FGC

JVM class loading mechanism

Poor Java foundation? Learning basic boring? Find another way to learn! Handwritten data type

LCODER JVM series: Class file structure

☕JVM technology hands-on – take a look at TomcatGC configuration

Java memory model

The JVM | garbage collection strategy (3)

In the second half of 2017, the first and second tier Internet companies Android interview questions summary

Learn more about the JVM(II) – SUMMARY of JVM garbage collection

Learn more about the JVM: (3) object creation and memory allocation

< JVM MIDI: Loading bytecodes and Classes > 01-class bytecode file structure

JVM series 3 class loading

Object instantiation and direct memory

JVM memory allocation and reclamation policies

JVM memory model

A brief analysis of JVM memory optimization

Java reflection in detail

In-depth understanding of Java Virtual Machine Notes Chapter3- Memory Allocation Policies

JVM classloaders with parental delegation model (JDK8)

JVM&GC analyses

Simple JVM troubleshooting – High memory footprint

The basic structure of the JVM