Transcription of Understanding Memory Resource Management in …
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Understanding Memory Resource Management in VMware ESX ServerW H I T E P A P E R 2V M wa r e w h i t e pa p e rTable of Contents1. Introduction..32. eSX Memory Management Overview .. terminology.. Memory Virtualization Basics .. Memory Management Basics in eSX..53. Memory reclamation in eSX.. Motivation .. transparent page Sharing (tpS) .. Ballooning .. hypervisor Swapping.. when to reclaim host Memory ..104. eSX Memory allocation Management for Multiple Virtual Machines ..115. Performance evaluation .. experimental environment .. transparent page Sharing performance .. Ballooning vs. Swapping.. Linux Kernel Compile.. Oracle/Swingbench .. SpeCjbb .. Microsoft exchange Server 2007 ..186. Best Practices ..197. references ..193V M wa r e w h i t e pa p e r1. IntroductionVMware ESX is a hypervisor designed to efficiently manage hardware resources including CPU, Memory , storage, and network among multiple concurrent virtual machines.
Section 2 presents the overview of ESX memory management concepts. Section 3 discusses the memory reclamation techniques used in ESX. Section 4 describes how ESX allocates host memory to virtual machines when the host is under memory pressure. Section 5 presents and discusses the performance results for different memory reclamation techniques.
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