Pre-Copy and Post-Copy VM Live Migration for Memory Intensive Applications

Pre-Copy and Post-Copy VM Live Migration for Memory Intensive Applications
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DOI：
10.1007/978-3-642-36949-0_63
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发表时间：
2012-08
期刊：
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影响因子：
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通讯作者：
A. Shribman;B. Hudzia
A. Shribman;B. Hudzia
中科院分区：
其他
文献类型：
--
作者：
A. Shribman;B. Hudzia

文献摘要

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虚拟化技术提供了一种服务器整合的方法，减少了运行给定工作负载所需的物理服务器数量。虚拟机热迁移使正在运行的虚拟机在物理主机之间进行迁移变得方便，同时对正在运行的应用程序透明。内存密集型应用程序往往会阻碍原始预拷贝实时迁移进程，并可能导致迁移进程失败，因为它无法以比运行的应用程序污染内存更快的速度传输内存。本文的重点是介绍几种可以应用于预复制动态迁移和后复制动态迁移的技术，以更好地支持内存密集型应用程序的迁移。
Virtualization technology provides a means for server consolidation, reducing the number of physical servers required for running a given workload. Virtual Machine (VM) live migration facilitates the transfer of a running (VM) between physical hosts while appearing transparent to the running application. Memory intensive applications tend to obstruct the original pre-copy live migration process and may result in the failure of the migration process due to its inability to transfer memory faster than memory is dirtied by the running application. The focus of this paper is to present several techniques that can be applied to both pre-copy live migration and post-copy live migration to better support migration of memory intensive applications.