23 november 8th 2012 l2424 4 21513 cs480 principles

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 2 CS480 Principles of Data Management L24.20 Spring 2013 Data Integrity •  Break chunks into 64 KB data blocks •  Compute 32 ­bit checksum for block –  Keep in chunk server memory –  Store persistently, separate from the data •  Verify checksums of data blocks that overlap read range November 8th, 2012 CS480 Principles of Data Management L24.21 Spring 2013 The master server is a single point of failure •  Master server restart takes several seconds Inefficiencies November 8th, 2012 CS480 Principles of Data Management L24.22 Spring 2013 The system is optimized...
View Full Document

This note was uploaded on 02/11/2014 for the course CS 480 taught by Professor Staff during the Spring '08 term at Colorado State.

Ask a homework question - tutors are online