'Buffer cache' diaporamas de présentation

Oracle Database 10g Automation Features

Oracle Database 10g Automation Features. Dallas Oracle Users Group - Oct. 2005 Arun Kumar R. Cingular Wireless. Oracle Database 10g Automation Features. Speaker Bio Over a decade of database administration and architecture experience in Oracle technologies.

1.09k views • 72 slides

Making the most of Solid State Disk in Oracle 11g

Making the most of Solid State Disk in Oracle 11g. Guy Harrison. Director, R&D Melbourne. Email: guy.harrison@quest.com Twitter: @ guyharrison Web: http://www.guyharrison.net. Introductions. Agenda. Brief History of Magnetic Disk Solid State Disk (SSD) technologies SSD internals

812 views • 65 slides

CS 3214 Computer Systems

CS 3214 Computer Systems. Godmar Back. Lecture 11. Announcements. Stay tuned for Exercise 5 Project 2 due Sep 30 Auto-fail rule 2: Need at least Firecracker to blow up to pass class. Some of the following slides are taken with permission from

607 views • 47 slides

Compressing Very Large Data Sets in Oracle

Compressing Very Large Data Sets in Oracle. Luca Canali, CERN UKOUG Conference Birmingham, December 1 st , 2009. Outline. Physics databases at CERN and compression Use cases for compression and archive for Physics DBs @ CERN Current experience with10g Advanced compression tests with 11g

798 views • 46 slides

Virtual machines

Virtual machines. Jinyang Li. OS sits between h/w and app. firefox. iTunes. emacs. OS abstracts the h/w interface. syscall. OS. h/w interface (intel manuals). hardware. VMM virtualizes hardware interface. firefox. iTunes. emacs. firefox. iTunes. emacs. syscall. syscall.

557 views • 37 slides

Performance Tuning

Performance Tuning. Database Tuning Options. Hardware Solution (determine bottleneck) More Memory Faster or additional Processors Faster Disk IO (possibly via RAID) More Network Bandwidth Software Solution Database/Instance Tuning(Location of files, block size, db buffer cache size, etc)

587 views • 32 slides

Presentation of Chapter 4, LINUX Kernel Internals

Presentation of Chapter 4, LINUX Kernel Internals. Zhihua (Scott) Jiang Computer Science Department University of Maryland, Baltimore County Baltimore, MD 21250 <zhjiang@cs.umbc.edu>. Guideline. The Architecture-independent Memory Model in LINUX The Virtual Address Space for a Process

638 views • 29 slides

Presentation of Chapter 4, LINUX Kernel Internals

Presentation of Chapter 4, LINUX Kernel Internals. Zhihua (Scott) Jiang Computer Science Department University of Maryland, Baltimore County Baltimore, MD 21250 <zhjiang@cs.umbc.edu>. Guideline. The Architecture-independent Memory Model in LINUX The Virtual Address Space for a Process

450 views • 29 slides

Operating Systems ECE344

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Compression Suresh Gandhi

407 views • 25 slides

The Buffer Cache

The Buffer Cache. Jeff Chase Duke University. The kernel. syscall trap/return. fault/return. system call layer : file API fault entry : VM page faults. memory management : block/page cache. policy. I/O completions. timer ticks. interrupt/return. DeFiler interfaces: overview.

403 views • 25 slides

Linux Filesystem Features

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Project 5 Roadmap

Project 5 Roadmap. Logical disk layout. Directory Entry. flags. GOSFS_Dir_Entry. GOSFS_Dir_Entry. GOSFS_Dir_Entry. GOSFS_Dir_Entry. GOSFS_Dir_Entry. GOSFS_Dir_Entry. GOSFS_Dir_Entry. GOSFS_Dir_Entry. blockList[10]. size. filename[128]. acl[10]. data blocks. Directory.

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Operating Systems Engineering

Operating Systems Engineering. Recitation 5: File Systems. Based on MIT 6.828 (2012, lec9). What Does a File System Do?. Durable Storage Multiplexing Sharing Organization. Why is the FS Interesting?. Critical in many aspects of the system Performance Security Fault tolerance

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Chapter 20 Other Memory Management Topics

Chapter 20 Other Memory Management Topics. Overview. Memory management in Oracle Oracle 10G: ASMM (Dynamic SGA) Oracle 11G: AMM (Dynamic SGA & PGA) Result Cache Optimization of other memory areas Shared Pool Large Pool Redo Buffer. Optimizing Overall Memory.

218 views • 11 slides

u9Proj ????

u9Proj ????. ? 85 ???. ??. ?? lab6 ? ???? ?????? fatfs ?? ? ???? ?????. lab6 ? ????. f s_init (). Sys Call. f s.c. sysfile.c. f ile.c. vfs. dev. pipe. sfs. fatfs. mount. stdio. other. Disk0. Disk1. lab6 ?????. fs - specific inode. Inode. In_info. pwd. In_type Counts

467 views • 11 slides

pass4sureOfficial

http://www.pass4sureOfficial.com. 1Z0-031. Oracle. Oracle9i Database Fundamentals I. Visit: http://www.pass4sureofficial.com/exams.asp?examcode=1Z0-031. Pass4sureofficial.com is a reputable IT certification examination guide, study guides and.

117 views • 7 slides

Hardware RAID versus Software RAID

Hardware RAID versus Software RAID. CSE598D Youngjae Kim February 15, 2007. Hardware RAID vs. Software RAID. Hardware RAID Not flexible Fast RAID subsystem is independent from host system. Better performance than Software RAID Expensive Built-in RAID controller in hardware

848 views • 6 slides