Bio:A Java Champion since September 2005,Kirk Pepperdineis a primary contributor tojavaperformancetuning.com, which is widely regarded as the premier site for Java performance tuning information, and is the coauthor ofAnt Developer's Handbook. He has been heavily involved in application performance ...
(2) When the delimiter is a single character (and not a regular expression character), the native String.split performs performance optimization processing, but some internal conversion processing in the middle is redundant and consuming in our actual business scenario. performance. Thespecific implemen...
The following scenario is not unusual: a manager sees horrendous performance, perhaps a function that was expected to be quick, but takes 100 seconds. His immediate response is, “Good grief, I expected this to take no more than 10 seconds.” Then, after a quick round of tuning that ident...
四、阿里开源的java而分析工具(arthas) 1、官网地址:https://alibaba.github.io/arthas/quick-start.html2、安装 wget https://alibaba.github.io/arthas/arthas-boot.jar java -jar arthas-boot.jar 1. 2. 3、常用命令整理 基础命令 help——查看命令帮助信息 cls——清空当前屏幕区域 session——查看当前会话...
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The frequent young space collections are quick (a few milliseconds), while the full generation collection takes a longer (tens of milliseconds to a few seconds, depending upon the heap size). Other GC algorithms, such as the Concurrent Mark Sweep (CMS) algorithm, are incremental. They divide ...
A website must be easy to navigate and have a quick display and response time. Bad navigation metrics include: abandoned shopping carts; first time visitors look at one or two pages and disappear; dead ends require the "back" button; less than 5% buy something; any broken links. Good ...
Quick setup for full-stack applications. Strong support for modern technologies like microservices and modern front-end frameworks. Cons: Can generate excessive boilerplate code. Can be overwhelming for small projects. 13. Apache Tapestry Apache Tapestry is a component-based web application framework fo...
The following provides quick reference to the -Xlog command and syntax for options: -Xlog Enables JVM logging on an info level. -Xlog:help Prints -Xlog usage syntax and available tags, levels, and decorators along with example command lines with explanations. -Xlog:disable Turns off all ...
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