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Question 1: You want to store a 500 MB file into a cluster with 12 nodes, which are located in four different racks (three nodes per rack). See Figure 1. 1. If a data block can store 256 MB, how many data blocks are needed to split this file? 2. Use a replication factor of 3 and the write principles discussed earlier to allocate the data blocks into this cluster. Rack 1 Rack 2 Rack 3 Rack 4 To answer Q1, fill in the blanks in the following Table. Each Cell represents a data node Remember, you do not need to fill the cells. Rack 1 Rack 2 Rack 3 Rack 4 Question 2: Consider the block allocations shown in Figure 2. Using a replication factor of 3, are all blocks allocated in the correct Rack and DataNode? If no, reallocate the blocks correctly. 81 82 83 84 84 83 83 82 84 83 84 To answer Q2, fill in the blanks in the following Table. Each Cell represents a data node Remember, you do not need to fill the cells.

Question 1: You want to store a 500 MB file into a cluster with 12 nodes, which are located in four different racks (three nodes per rack). See Figure 1. 1. If a data block can store 256 MB, how many data blocks are needed to split this file? 2. Use a replication factor of 3 and the write principles discussed earlier to allocate the data blocks into this cluster. Rack 1 Rack 2 Rack 3 Rack 4 To answer Q1, fill in the blanks in the following Table. Each Cell represents a data node Remember, you do not need to fill the cells. Rack 1 Rack 2 Rack 3 Rack 4 Question 2: Consider the block allocations shown in Figure 2. Using a replication factor of 3, are all blocks allocated in the correct Rack and DataNode? If no, reallocate the blocks correctly. 81 82 83 84 84 83 83 82 84 83 84 To answer Q2, fill in the blanks in the following Table. Each Cell represents a data node Remember, you do not need to fill the cells.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Question 1: You want to store a 500 MB file into a cluster with 12 nodes, which are located in four different racks (three nodes per rack). See Figure 1. 1. If a data block can store 256 MB, how many data blocks are needed to split this file? 2. Use a replication factor of 3 and the write principles discussed earlier to allocate the data blocks into this cluster. DUNGE 2 DURANODE B Rack 1 Rack 2 Rack 3 Rack 4 Rack 1 Rack 2 Rack 3 Rack 4 To answer Q1, fill in the blanks in the following Table. Each Cell represents a data node Remember, you do not need to fill the cells. 81 82 84 83 Question 2: Consider the block allocations shown in Figure 2. Using a replication factor of 3, are all blocks allocated in the correct Rack and DataNode? If no, reallocate the blocks correctly. 81 82 83 84 DuteNode BỞI 83 82 Rack 1 Rack 2 Rack 3 Rack 4 DauNote 12. 84 83 84 Rack 1 To answer Q2, fill in the blanks in the following Table. Each Cell represents a data node Remember, you do not need to fill the cells.
Transcribed Image Text:Question 1: You want to store a 500 MB file into a cluster with 12 nodes, which are located in four different racks (three nodes per rack). See Figure 1. 1. If a data block can store 256 MB, how many data blocks are needed to split this file? 2. Use a replication factor of 3 and the write principles discussed earlier to allocate the data blocks into this cluster. DUNGE 2 DURANODE B Rack 1 Rack 2 Rack 3 Rack 4 Rack 1 Rack 2 Rack 3 Rack 4 To answer Q1, fill in the blanks in the following Table. Each Cell represents a data node Remember, you do not need to fill the cells. 81 82 84 83 Question 2: Consider the block allocations shown in Figure 2. Using a replication factor of 3, are all blocks allocated in the correct Rack and DataNode? If no, reallocate the blocks correctly. 81 82 83 84 DuteNode BỞI 83 82 Rack 1 Rack 2 Rack 3 Rack 4 DauNote 12. 84 83 84 Rack 1 To answer Q2, fill in the blanks in the following Table. Each Cell represents a data node Remember, you do not need to fill the cells.
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