Search - Virtual Memory Management

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[JSP/Java] asf DL : 0: JDK1.5提供JMX remote的管理工具Jconsole，可以监控Java运行程序的内存使用情况、活动线程数量、类装载的数量、MBeans的状态、虚拟机的各种信息等，还可以执行MBean公开的方法或强制进行垃圾回收。只要应用服务器实现标准的JMX接口，就可以使用Jconsole进行监控。-JDK1.5 provide JMX remote management tools Jconsole, the program can monitor the Java runtime memory usage, number of active threads, the number of classes loaded, MBeans state, the virtual machine a variety of information, you can also open the MBean implementation methods or force garbage collection. As long as the application server to achieve the standard JMX interface, you can use Jconsole monitored.
Date : 2025-12-31 Size : 240kb User : anuo
[JSP/Java] File-system DL : 1: 1．在内存中开辟一个虚拟磁盘空间作为文件存储器，在其上实现一个多用户多目录的文件系统。 2．文件物理结构可采用显式链接或其他方法。 3．磁盘空闲空间的管理可选择位示图或其他方法。如果采用位示图来管理文件存储空间，并采用显式链接分配方式，则可以将位示图合并到FAT中。 4．文件目录结构采用多用户多级目录结构，每个目录项包含文件名、物理地址、长度等信息，还可以通过目录项实现对文件的读和写的保护。目录组织方式可以不使用索引结点的方式，但使用索引结点，则难度系数为1.2。 5．设计一个较实用的用户界面，方便用户使用。要求提供以下相关文件操作：（1）具有login (用户登录) （2）系统初始化（建文件卷、提供登录模块）（3）文件的创建： create （4）文件的打开：open （5）文件的读：read （6）文件的写：write （7）文件关闭：close （8）删除文件：delete （9）创建目录（建立子目录）：mkdir （10）改变当前目录：cd （11）列出文件目录：dir （12）退出：logout - Allow phonetic typing EnglishSpanishArabic A.In memory to open up a virtual disk space, file storage, file system on more than one user directory. Two. Document physical structure can be explicitly links or other methods. 3. Disk free space management selectable bit diagram or other means. If you use the diagram to manage file storage space, and explicitly links allocation, the bit to show maps of the FAT. 4. The file directory structure using the multi-user multi-level directory structure, each directory entry contains the file name, physical address, the length of the file read and write protection, but also through the directory entry. Directory organization can not use the index nodes of the way, but using an index node, then the difficulty factor of 1.2. 5 Design a practical user interface, user-friendly. Request the relevant documents of the following: (1) login (user login) (2) The system is initialized (build file volume to provide the login module) (3) file creati
Date : 2025-12-31 Size : 2.99mb User : 金国跃
[JSP/Java] jikesrvm-3.1.3.tar DL : 0: Jikes研究虚拟机（Jikes Research Virtual Machine,简称Jikes RVM)是一种成熟的用于执行Java程序的虚拟机，其早期版本与当前版本分别在通用公共许可证（CPL）与Eclipse公共许可证（EPL）下开放代码。与其他以Java编写的虚拟机不同的是，Jikes RVM采用了元循环技术。 Jikes RVM采用了元循环技术，因而其需要运行在一个引导Java虚拟机（JVM）上来创建启动镜像。启动镜像在运行时由一个小型的C装入程序载入，其本质是Jikes RVM启动必须的对象的集合，这些对象则是利用引导JVM的反馈所创建。编译器在VM Magic里为一个类生成不同的代码（而非字节码）。VM Magic类允许对内存的直接访问，是影响内存管理工具包的性能的关键所在。VM Magic类被包含于org.vmmagic包内，同时也为其他的Java项目所使用。-Jikes Research Virtual Machine (Jikes Research Virtual Machine, referred Jikes RVM) is a mature virtual machine for executing Java program, its earlier versions and the current version of the General Public License (CPL) and the Eclipse Public License (EPL code) under the open. Written in Java virtual machine, Jikes RVM uses meta-cycle technology. The Jikes RVM adopt meta-cycle technology, and thus the need to run in a guide Java Virtual Machine (JVM) up to create a boot image. Start the mirror loaded at run-time by a small C-loader, by its very nature is a the Jikes RVM start must be the object of a collection of these objects feedback is used to guide the JVM created. Generated by the compiler as a class in the VM Magic different code (rather than byte code). VM Magic class allows direct access to the memory, the key to affect the performance of the memory management toolkit. VM Magic class is included in the the org.vmmagic package, also be used for other Java projects.
Date : 2025-12-31 Size : 4.82mb User : kkpudn28