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File system operations - PowerPoint PPT Presentation

CS510 Operating System Foundations Jonathan Walpole

CS510 Operating System Foundations Jonathan Walpole

CS510 Operating System Foundations Jonathan Walpole. File System Performance. File System Performance. Memory mapped files Avoid system call overhead Buffer cache Avoid disk I/O overhead Careful data placement on disk Avoid seek overhead Log structured file systems

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633 views • 61 slides
CSE451 Operating Systems Winter 2009

CSE451 Operating Systems Winter 2009

CSE451 Operating Systems Winter 2009. Module 3 Components and Structure Mark Zbikowski Gary Kimura. OS structure. The OS sits between application programs and the hardware it mediates access and abstracts away ugliness programs request services via exceptions ( traps or faults )

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281 views • 26 slides
Accurate and Efficient Replaying of File System Traces

Accurate and Efficient Replaying of File System Traces

Accurate and Efficient Replaying of File System Traces. Nikolai Joukov, TimothyWong, and Erez Zadok Stony Brook University (FAST 2005) USENIX Conference on File and Storage Technologies. Presented by Hsu Hao Chen. Outline. Introduction Design Architecture Reproduce original timing problem

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234 views • 22 slides
Distributed File Systems

Distributed File Systems

Distributed File Systems. File System Modules. Directory File Module Access Control File access Block Device. File System Operations. Open Create Close Read Write Seek Stat Link Unlink. Distributed File System Requirements. Transparency Access Location Mobility Performance

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357 views • 21 slides

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