'Access patterns' presentation slideshows

HDF5 Advanced Topics

HDF5 Advanced Topics. Tutorial Part III. Outline. Dataset selections and partial I/O Chunking and filters Datatypes Overview Variable length data Compound datatype Object and dataset region references. Selections and partial I/O. What is a selection?.

838 views • 72 slides

FLIN: Enabling Fairness and Enhancing Performance in Modern NVMe Solid State Drives

FLIN: Enabling Fairness and Enhancing Performance in Modern NVMe Solid State Drives. Saugata Ghose Carnegie Mellon University. August 7, 2019 Santa Clara, CA. Executive Summary. Modern solid-state drives (SSDs) use new storage protocols (e.g., NVMe) that eliminate the OS software stack

943 views • 70 slides

Parallelism & Algorithm Acceleration

738 views • 68 slides

Modeling and Acceleration of File-IO Dominated Parallel Workloads

Presented at Analogic Corporation July 11 th , 2005. Modeling and Acceleration of File-IO Dominated Parallel Workloads. Yijian Wang David Kaeli Department of Electrical and Computer Engineering Northeastern University yiwang@ece.neu.edu. Important File-base I/O Workloads.

699 views • 57 slides

DISTRIBUTED DATABASE DESIGN

823 views • 53 slides

DISTRIBUTED DATABASE DESIGN

1.09k views • 53 slides

Storage Systems CSE 598d, Spring 2007

Storage Systems CSE 598d, Spring 2007. Lecture 3: Disk drive trends, modeling (contd.) Feb 1, 2007. Topics Disk drive modeling SCSI vs ATA Rules of thumb in data engineering. Disk Drive Modeling. Problems because Non-linear State Dependent Not easy to model analytically Pitfalls

474 views • 37 slides

473 views • 35 slides

Wresting control of your Oracle data with Heat Map and ILM in Oracle DB 12c

Wresting control of your Oracle data with Heat Map and ILM in Oracle DB 12c. John Kanagaraj Member of Technical Staff, PayPal Database Engineering, An eBay Inc. company. Agenda. Data challenges in the real world Introducing ILM Various methods to contain growth

631 views • 34 slides

FlexFilm An Image Processor for Digital Film Processing

525 views • 28 slides

Optimized Index Structures for Querying RDF from the Web

Andreas Harth, Stefan Decker andreas.harth@deri.org. 3 rd Latin American Web Congress. Optimized Index Structures for Querying RDF from the Web. Contents. Scenario Index Structure Query Processing Implementation Evaluation Summary. Scenario. Data collected from the Web

367 views • 23 slides

The LHC Computing Grid

The LHC Computing Grid. The Computing Environment for LHC Data Analysis CHIPP Phoenix Cluster Inauguration Manno , Switzerland 30 May 2008. simulation. Data Handling and Computation for Physics Analysis. reconstruction. event filter (selection & reconstruction). detector. analysis.

302 views • 23 slides

303 views • 18 slides

Database Buffer Management

Database Buffer Management. Yanlei Diao UMass Amherst Feb 20, 2007. Slides Courtesy of R. Ramakrishnan and J. Gehrke. DBMS vs. OS File System. OS does buffer management: why not let OS manage it? Differences in OS support: portability issues

605 views • 18 slides

Data Management for Large-Scale Scientific Computations in High Performance Distributed Systems

347 views • 17 slides

Access Patterns, Metadata, and Performance

Access Patterns, Metadata, and Performance. Alok Choudhary and Wei-Keng Liao Department of ECE, Northwestern University Collaboration with ANL. SDM kickoff meeting July 10-11, 2001. Virtuous Cycle. Simulation (Execute app, Generate data). Problem setup (Mesh, domain Decomposition).

224 views • 14 slides

Team

Team. Ghaleb Abdulla (0.4) Tina Eliassi-Rad (0.4) Terence Critchlow (0.15). Task Objective. Identify data storage formats that minimize access times using historical access patterns to the same or similar data sets

254 views • 13 slides

Cloud-Based Multimedia Storage

Cloud-Based Multimedia Storage. Seeing the bright spots in the clouds. 4/8/2013. Dave Fellinger. Chief Scientist, Strategy & Technology. Industry Trends. Most clouds still on file-based origin solutions Moving slowly toward object storage Large files being chucked into very small files

297 views • 11 slides

Access Patterns to a Website on Healthcare IT Failure

Access Patterns to a Website on Healthcare IT Failure Scot M. Silverstein MD, Yunan Chen, Christine Wania College of Information Science & Technology, Drexel University. Background. Visitor types.

120 views • 1 slides

Does Internet media traffic really follow the Zipf-like distribution?

y c. slope : -a. b. log i. and a have significant impacts on caching performance !. Does Internet media traffic really follow the Zipf-like distribution? Lei Guo 1 , Enhua Tan 1 , Songqing Chen 2 , Zhen Xiao 3 , and Xiaodong Zhang 1

175 views • 1 slides