Scalable Tools - Part I Introduction to Scalable Tools
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1 Scalable Tools - Part I Introduction to Scalable Tools Adisak Sukul, Ph.D., Lecturer, Department of Computer Science, adisak@iastate.edu
2 Scalable Tools session Before we begin: Do you have a VirtualBox and Ubuntu vm created? You can copy it from a usb disk Options 2: Run on cloud (if you can't run it locally): Setup Google cloud or Amazon EC2 with Python and Spark We will be using Spark, Python and PySpark. 2
3 What is Big Data? 3 Reference: Apache Hadoop Tutorial Hadoop Tutorial For Beginners Big Data Hadoop Hadoop Training Edureka
4 Why scale? In early 2000s, every company have to paying more and more to DBMS company. 4
5 Scalable tools for Big Data MapReduce is a programming model and an associated implementation for processing and generating big data sets with a parallel, distributed algorithm on a cluster. 5
6 What is the problems with Big Data in Traditional System 6
7 Traditional scenario Manageable workload 7 Reference: Apache Hadoop Tutorial Hadoop Tutorial For Beginners Big Data Hadoop Hadoop Training Edureka
8 When data increased, traditional systems would fail Data come in to fast (high velocity) Data come in unstructured (high verity) 8 Reference: Apache Hadoop Tutorial Hadoop Tutorial For Beginners Big Data Hadoop Hadoop Training Edureka
9 How to solve this problem? Issue 1: Too many order per hours? Answer?? Hire more Cook! (distributed workers) 9 Reference: Apache Hadoop Tutorial Hadoop Tutorial For Beginners Big Data Hadoop Hadoop Training Edureka
10 Same thing happened with the servers and stroage 10 Reference: Apache Hadoop Tutorial Hadoop Tutorial For Beginners Big Data Hadoop Hadoop Training Edureka
11 Issue 2: Food shelf becomes Bottleneck Now, how to solve it???distributed and Parallel Approach Data locality concept in Hadoop: data is locally available for each processing unit 11 Reference: Apache Hadoop Tutorial Hadoop Tutorial For Beginners Big Data Hadoop Hadoop Training Edureka
12 Sounds good? How do we solve Big Data problems (storing and processing Big Data) by using Distributed and Parallel Approach like that? Yes, we can use Hadoop! Hadoop is a framework that allow us to store and process large data sets in parallel and distributed fashion 12
13 Hadoop is a framework that allow us to store and process large data sets in parallel and distributed fashion 13 Reference: Apache Hadoop Tutorial Hadoop Tutorial For Beginners Big Data Hadoop Hadoop Training Edureka
14 Who came up with MapReduce concept? 14
15 15
16 Hadoop Master/Slave Architecture 16 Reference: Apache Hadoop Tutorial Hadoop Tutorial For Beginners Big Data Hadoop Hadoop Training Edureka
17 Hadoop Master/Slave Architecture cont.1 17 Reference: Apache Hadoop Tutorial Hadoop Tutorial For Beginners Big Data Hadoop Hadoop Training Edureka
18 Hadoop Master/Slave Architecture cont.2 got backup worker for all projects 18 Reference: Apache Hadoop Tutorial Hadoop Tutorial For Beginners Big Data Hadoop Hadoop Training Edureka
19 How it translate to actual architecture 19 Reference: Apache Hadoop Tutorial Hadoop Tutorial For Beginners Big Data Hadoop Hadoop Training Edureka
20 Let s play a game Spit to four group, Assign 1 manager, 1 assistant Assistant collect result, time the process Group A: everybody read the whole paper (5 pages), manager combine (average) the result Group B: each person read one page, manager combine the result Group A: everybody read the whole paper (5 pages), manager combine (average) the result Missing Page 2 result Group B: each person read one page, manager combine the result Missing Page 2 result Task for team member: Read the paper Count the word (not case-sensitive): Year Dream Will Describe Soul 20
21 21
22 22
23 Reference: Apache Hadoop Tutorial Hadoop Tutorial For Beginners Big Data Hadoop Hadoop Training Edureka 23
24 HDFS Data Block 24
25 Fault tolerance 25
26 Fault tolerance: Replication Factor 26
27 Example: MapReduce for word count process 27 Reference: Apache Hadoop Tutorial Hadoop Tutorial For Beginners Big Data Hadoop Hadoop Training Edureka
28 28
29 29
30 Apache Spark 30
31 Apache Spark is a lightning fast real-time processing framework. It does in-memory computations to analyze data in real-time. It came into picture as Apache Hadoop MapReduce was performing batch processing only and lacked a real-time processing feature. Hence, Apache Spark was introduced as it can perform stream processing in real-time and can also take care of batch processing. 31
32 Apache Spark It leverages Apache Hadoop for both storage and processing. It uses HDFS (Hadoop Distributed File system) for storage. 32
33 33
34 Spark is fast! 34
35 But it could cast more, depend on the memory cost 35
36 pyspark PySpark, you can work with RDDs in Python programming language also. It is because of a library called Py4j that they are able to achieve this. PySpark offers PySpark Shell which links the Python API to the spark core and initializes the Spark context. Majority of data scientists and analytics experts today use Python because of its rich library set. Integrating Python with Spark is a boon to them. 36
37 Spark benchmark (PySpark and Pandas) Benchmarking Apache Spark on a Single Node Machine The benchmark involves running the SQL queries over the table store_sales (scale 10 to 260) in Parquet file format. 37
38 What we learn from this? def NewDataProject(): if dataset is large: use Spark or Hadoop else: use Python Pandas 38
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