必应词典为您提供Class-Data-Sharing的释义,网络释义: 类数据共享;之类数据共享;
Class-Data Sharing# CDS 全称 Class-Data Sharing。主要是用来在不同的 JVM 中共享 Class-Data 信息,从而提升应用程序的启动速度。 通常来说,如果要执行 class 字节码,JVM需要执行下面的一些步骤:给定一个类的名字,JVM 需要从磁盘上面找到这个文件,加载,并验证字节码,最后将它加载进来。如果 JVM 启动的时候需要加...
引用:https://docs.oracle.com/en/java/javase/17/vm/class-data-sharing.html#GUID-7EAA3411-8CF0-4D19-BD05-DF5E1780AA91 类数据共享 (CDS) 功能,该功能有助于减少 Java 应用程序的启动时间和内存占用。 类数据共享 类数据共享 (CDS) 功能有助于减少多个 Java 虚拟机 (JVM) 之间的启动时间和内存占用。
OpenJDK Runtime Environment 18.9 (build 11.0.16+8) OpenJDK 64-Bit Server VM 18.9 (build 11.0.16+8, mixed mode, sharing) 指定off后查看,可以看到UseSharedSpaces为false,并且是command line指定。 bash-4.4$ java -Xshare:off -XX:+PrintFlagsFinal -version | grep Share NOTE: Picked up JDK_JAVA...
Application Class-Data Sharing(AppCDS)是一个通过在不同Java进程间共享应用类的元数据来降低启动时间和...
Class data sharing is supported with the ZGC, G1, serial, and parallel garbage collectors. The shared Java heap object feature (part of class data sharing) supports only the G1 garbage collector on 64-bit non-Windows platforms. The primary motivation for including CDS in Java SE is to decr...
The class data sharing feature offers the transparent and dynamic sharing of data between multiple Java virtual machines (VMs). When this feature is enabled, VMs use shared memory to obtain and store data. This feature can improve start up performance an
Class data sharing is supported with the G1, serial, parallel, and parallelOldGC garbage collectors. The shared string feature (part of class data sharing) supports only the G1 garbage collector on 64-bit non-Windows platforms. The primary motivation for including CDS in Java SE is to decrea...
The class sharing feature offers the transparent and dynamic sharing of data between multiple Java Virtual Machines (JVMs). When enabled, JVMs use shared memory to obtain and store data, including information about: loaded classes, Ahead-Of-Time (AOT) co
Class Data SharingIn this chapter, you will learndoi:10.1007/978-1-4842-5407-3_7K. SharanJava 13 Revealed