CS 186/286 Fall 2017 Final Exam • Do not turn this page until instructed to start the exam. • You should receive 1 answer sheet and a 25-page exam packet. • All answers should be written on the answer sheet. The exam packet will be collected but not graded. • You have 3 hours to […]
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CS W186 Spring 2020 Parallel Query Processing 1 Introduction Up until this point we have assumed that our database is running on a single computer. For modern applications that deal with millions of requests over terabytes of data it would be impossible for one computer to quickly respond to all of those requests. We need
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CS W186 Spring 2020 Transactions 1 Introduction In reality, we usually don’t have just one person accessing a database at a time. Many users can make requests to a database at a time which can cause concurrency issues. What happens when one user writes and then another user reads from the same resource? What if
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CS 186/286 Spring 2018 Midterm 2 • Do not turn this page until instructed to start the exam. • You should receive 1 single-page answer sheet and a 15-page exam packet. • All answers should be written on the answer sheet. The exam packet will be collected but not graded. • You have 80 minutes
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CS w186 Introduction to Database Systems Prof. Josh Hug Essential Queries • Why take this class? • What is this class all about? • Who is running this? • How will this class work? Who Am I? • 6th year faculty at UC Berkeley. Freshly tenured as of July 1st. • My title is “Associate
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Contents: CS W186 Fall 2019 Final Do not turn this page until instructed to start the exam. • You should receive one double-sided answer sheet and a 28-page exam packet. • The midterm has 11 questions, each with multiple parts, and worth a total of 153.5 points. Taking the exam: • You have 170 minutes
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Contents: CS W186 Fall 2019 Final Do not turn this page until instructed to start the exam. • You should receive one double-sided answer sheet and a 37-page exam packet. • The midterm has 11 questions, each with multiple parts, and worth a total of 153.5 points. Taking the exam: • You have 170 minutes
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Contents: CS W186 Spring 2019 Final Do not turn this page until instructed to start the exam. • You should receive one double-sided answer sheet and a 35-page exam packet. • The midterm has 9 questions, each with multiple parts. • The midterm is worth a total of 125.5 points. Taking the exam: • You
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Operating Systems Distributed Systems 4160 – Distributed and Parallel Computing Copyright By PowCoder代写 加微信 powcoder Goal: Wide-Area Transactions • Distributed transactions with strong consistency guarantee – BigTable: high performance; no transaction – Megastore: support SQL, low write-throughput • One of the first systems that really combines of 2PC (sharding;scalability) with Paxos (replication; availability) Linearizable (replication)
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COMP 3430 Operating systems – chapter 4,5,6 reading notes Winter 2022 About these reading notes Chapter 4: The Abstraction: The Process Copyright By PowCoder代写 加微信 powcoder TheAbstraction:AProcess……………………………… 3 ProcessAPI…………………………………….. 3 ProcessCreation:ALittleMoreDetail ………………………… 4 Processstates……………………………………. 4 Datastructures…………………………………… 5 Chapter 5: Interlude: Process API 5 Thefork()systemcall………………………………. 5 Thewait()systemcall………………………………. 6 Theexec()systemcall………………………………. 6 Why?MotivatingtheAPI ………………………………. 7 ProcessControlandUsers ……………………………… 7
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