'Transfer time' presentation slideshows

CS252 Graduate Computer Architecture I/O Introduction: Storage Devices & RAID

CS252 Graduate Computer Architecture I/O Introduction: Storage Devices & RAID. Jason Hill. Motivation: Who Cares About I/O?. CPU Performance: 60% per year I/O system performance limited by mechanical delays (disk I/O) < 10% per year (IO per sec)

785 views • 55 slides

Orbital Mechanics II: Transfers, Rendezvous, Patched Conics, and Perturbations

1.94k views • 52 slides

ECE 6160: Advanced Computer Networks Introduction to Storage Devices

1.25k views • 51 slides

CIST 1601 Information Security Fundamentals

CIST 1601 Information Security Fundamentals. Chapter 8 Security Policies and Procedures. Collected and Compiled By JD Willard MCSE, MCSA, Network+, Microsoft IT Academy Administrator Computer Information Systems Instructor Albany Technical College. Business Impact Analysis (2:39).

562 views • 45 slides

Chapter 8: Memory Management

Chapter 8: Memory Management. A program may not be executed until it is; associated with a process brought into memory In allow multi-programming, the OS must be able to allocate memory to each process Several processes at once

631 views • 40 slides

620 views • 37 slides

Introduction to I/O and Disk Management

489 views • 32 slides

Operating Systems

651 views • 30 slides

Making Words a,e ,b,d,m,n,r,s,t

Making Words a,e ,b,d,m,n,r,s,t. First Grade Unit 1 Week 5. Teacher Directions. *Pass out the letter tiles a, b, d, e, m, n, r, s, t. *Call out these words for the students to spell as they follow the slides. bed, bad, men, man, red, ten, net, tan, stem, read, bread,

525 views • 29 slides

Recitation 8 Disk & File System

Recitation 8 Disk & File System. Disk Scheduling. Disks are at least four orders of magnitude slower than main memory The performance of disk I/O is vital for the performance of the computer system as a whole Access time (seek time + rotational delay) >> transfer time for a sector

449 views • 27 slides

574 views • 26 slides

ACLS Special Resuscitations

ACLS Special Resuscitations. Dr. Michelle Welsford. Introduction . Hypothermia Traumatic Cardiac Arrest Electrical Shock and Lightning Cardiac Arrest associated with Pregnancy Toxicologic Cardiac Emergencies. Hypothermia. Severe hypothermia: T < 30C

633 views • 24 slides

CSC 539: Operating Systems Structure and Design Spring 2005

CSC 539: Operating Systems Structure and Design Spring 2005. Distributed systems networked vs. distributed operating systems network structure: LAN vs. WAN Distributed File Systems (DFS's) naming, remote file access, caching, stateless vs. stateful example: AFS. Distributed systems.

371 views • 24 slides

Disk Average Seek Time

Disk Average Seek Time. Multi-platter Disk. read/write head . read/write arm. Disk. platter. track. cylinder. sector. Multi-platter Disk. Seek Time. measures the amount of time required for the read/write heads to move between tracks over the surface of the platters. 0.0 ms. 0.8 ms.

508 views • 20 slides

Fast Data at Massive Scale

Fast Data at Massive Scale. Lessons Learned at Facebook Bobby Johnson. Me. Director of Engineering Scaling and Performance Site Security Site Reliability Distributed Systems Development tools Customer Service Tools Took Facebook from 7M users to 120M. Architecture. Load Balancer

310 views • 20 slides

World Wide Web Caching: Trends and Technology

World Wide Web Caching: Trends and Technology. Greg Barish and Katia Obraczka USC Information Science Institute IEEE Communications Magazine, May 2000 Presented By: Ossama M. Younis Ph.D. Student, Purdue University. Presentation Outline. Introduction Limitations and problems

436 views • 20 slides

Secondary Storage Management Hank Levy

375 views • 18 slides

ESC Congress 2009 Clinical Trial Summary Slides

ESC Congress 2009 Clinical Trial Summary Slides. AAA. Primary outcome (coronary event, stroke, revascularization) similar in aspirin and placebo arms (HR = 1.03, 95% CI 0.84-1.27) Mortality, stroke, MI rates similar

316 views • 14 slides

Storing and Serving Multimedia

Storing and Serving Multimedia. What is a Media Server?. A scalable storage manager Allocates multimedia data optimally among disk resources Performs memory and disk-based I/O optimization Supports real-time and non-real-time clients Supports presentation of continuous-media data

250 views • 9 slides

T0-T1 ALICE transfers

T0-T1 ALICE transfers. Yves Schutz (ALICE) WLCG-MB, 20 th July 2010 . Raw data transfers: Mechanism. Since the restart of the LHC in 2010 ALICE is using xrootd as general transfer protocol for all Tx -Ty transfers Latest version enables the 3 rd party copy (xrd3cp)

176 views • 6 slides