Data Management in the Cloud. Zhen Shi

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1 Data Management in the Cloud Zhen Shi

2 Overview Introduction 3 characteristics of cloud computing 2 types of cloud data management application 2 types of cloud data management architecture Conclusion

3 Introduction What is cloud computing? Hail as revolutionizing IT Free corporation Plug into extremely powerful computing resource

4 Cloud computing platform Introduction

5 3 characteristics of cloud computing Three characteristics of a cloud computing Compute power is elastic Data is stored at an untrusted host Data is replicated by crossing large geographic distances

6 3 characteristics of cloud computing Computer power is elastic Computer resource can be scaled up and down

7 3 characteristics of cloud computing Data is stored at untrusted host Not really deliver from a celestial location subject to local rules and regulations Example: Amazon S3

8 3 characteristics of cloud computing Data is replicated by crossing large geographic distances Example: Amazon EC2 Regions availability zones Persist even in the face of failures of an entire location

9 2 types of cloud data management applications Based on cloud characteristics Transactional data management Analytical data management

10 2 types of cloud data management applications Transactional data management Not typically use shared-nothing architecture

11 2 types of cloud data management applications What is shared-nothing architecture Distributed computing architecture Node is independent and self-sufficient Single point of connection across the system

12 2 types of cloud data management applications Transactional data management Hard to maintain ACID when data replication over large geographic distances

13 2 types of cloud data management applications What is ACID guarantee? Set of properties that guarantee that database transactions are processed reliably Atomicity, Consistency, Isolation, Durability

14 2 types of cloud data management applications Transactional data management Risks to storing transactional data on an untrusted hosts mission-critical business processes Mission-critical business processes Customer data Credit card number

15 2 types of cloud data management applications Analytical data management Perfect match with shared-nothing architecture

16 2 types of cloud data management applications Analytical data management Unnecessary for ACID guarantees

17 2 types of cloud data management applications Analytical data management Left out sensitive data

18 2 types of cloud data management applications Comparison with two cloud data management application Transactional data management Sharednothing architecture ACID guarantees Sensitive data Not match Necessary Take care Analytical data management Match Unnecessary Left out

19 2 types of cloud data analysis DBMS market to move into the cloud data management system Software solutions to perform the data analysis MapReduce-like software Commercially shared-nothing parallel databases

20 2 types of cloud data analysis Requirement of cloud DBMS Efficiency Fault tolerance Working under a heterogeneous environment Operation on encrypted data Interfacing with business intelligences products

21 2 types of cloud data analysis MapReduce-like software Fault tolerance High priority Working under a heterogeneous environment Able to run in a heterogeneous environment

22 2 types of cloud data analysis Operation on encrypted data No ability to operate on encrypted data Interfacing with business intelligences products Not easy interfacing with business intelligences products Efficiency Need to discuss

23 2 types of cloud data analysis Shared-Nothing parallel database Fault tolerance Restart a query upon a failure Working under a heterogeneous environment Design to run on homogeneous

24 2 types of cloud data analysis Operating on encrypted data Not able to operate on encrypted data Interfacing with business intelligences products Working perfectly Efficiency Need to discuss

25 Conclusion Parallel database Advantage: Efficiency Performance MapReduce-like software Advantage: fault tolerance Heterogeneous cluster

26 Opinion and extension reading Hybrid solution Example: Pig project at Yahoo SCOPE project at Microsoft

27 References https://aws.amazon.com/ec2/ https://aws.amazon.com/s3/

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