Hadoop Training Objectives
- Hadoop provides the power of distributed computing and assigned storage.
- In rough words, it is one of the programs to make a super-computer (In a cost-efficient practice).
- Hadoop framework permits you to use the area and computing ability of 100s of computers efficiently.
- The end-user can understand that he is communicating with 1 network and doing number/storage only on one method.
- One must possess both the power of Hadoop - Distributed Storage & Distributed Computing.
- You should practice it if you have an extensive amount of data that you’d firstly save on many servers (in a shared and replicated way) before eventually processing it.
- While Hadoop is the most useful you can do for scalable accommodation (unless you pay for a cloud) and massive parallel-group processing (Hadoop MapReduce)…
- You can on a different side switch on Spark or Wind if you have real-time/streaming investigation needs.
- Hadoop is not a database, it is software that is open-source to control a large number of structured and semi-structured data.
- It is originally designed for high data processes that direct all the individual records of the database.
- Hadoop is perfect for the slow and constant pace of work where fast appearance is not critical, for example reviewing daily transaction statements, scanning of historical data, and implementing analytics where a more moderate time-to-insight is adequate.
- Hadoop certainly secures over traditional databases in the features of normalization and scalability.
- Big companies like Facebook, Google uses Hadoop to collect, store, and manage colossal data sets.
- Hadoop is the guide platform that has caused the wave of Big Data.
- It has performed its role and now also powerful programs like- Spark, Flink, etc. have appeared on the technology roadmap.
- In the technology business, change is a constant feature.
- With an ever-growing market and better change, a technology like Hadoop became sidelined and relaxed way to more innovative solutions.
- It is a reasonable distance from Hadoop’s life cycle.
- Hadoop is an open-source software program that provides many software products to work on top of it like HDFS, MapReduce, HBase, and even Spark.
- So, Spark is a member of the Hadoop ecosystem although it can also operate separately and also on other data accommodations.
- While Spark is a batch computing framework in its right, it is mainly used for streaming data processing.
- The scope of Hadoop is growing in the future. Most of the big businesses are running in Hadoop for Data reviews such as Google, Facebook, Linkedin, and many more.
- But shortly Hadoop is not permanent, new technologies in this domain are coming day by day.
- Even Java needed time to get steady in the business and as we know now java is a constant language. In the coming years, Hadoop will also get permanent and will be the best technology for Data Analysis.
- Hadoop sucks for businesses that do not match the map-reduce programming model
- And this suggests that most machine knowledge responsibilities that have the iterative model of gathering towards an answer will make it unwell on it.
- The reason is that the picture phase communicates its results to the reduced phase using HDFS.
- This specific file-system warmth provides fault tolerance but it is high and very quiet
- It is worse for the iterative machine training tasks because an HDFS heat and following HDFS read by reducers for every repetition destroys performance.
- Yes. MapReduce is being/has been succeeded by Spark and, as a database, there is no singular reason for choosing Hadoop compared to the several other NoSQL choices.
- Indeed, the provider for multi-model capabilities submitted by various other NoSQL conditions provides a possibly richer environment than can be submitted by Hadoop.
- Further, with Cloudera practicing over HortonWorks and reports about the future of MapR, then financial support for Hadoop is looking short.
- I should add that I have reviewed this with various other investigators, from various firms, and this is a consent view, not just my own.
- Big Data Hadoop is an open-source software structure used for collecting and treating Big Data in a diffused manner on large batches of commodity devices.
- Hadoop was developed, based on the article written by Google on the MapReduce system and it employs concepts of functional programming.
- It is very challenging to master every device, technology, or programming language.
- So, when in knowledge mode, learners or professionals always choose to read the technology that has the potential for a high-paying job and has demonstrated value among many users.
- Hadoop is one such technology.
- Hadoop and SQL both are complex technology that we are practicing but there is no connection between these two.
- Hadoop is a framework that is utilized to collect and prepare a large amount of data i.e Big data.
- Hadoop presents a way that how we store a huge volume of data by working HDFS which is a Hadoop dispersed file system.
- Hadoop can quickly integrate with various technology or database similar to Pig, Hive, Hbase, and many more.
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Top Companies Placement
- Designation
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Annual SalaryHiring Companies
Top Skills You Will Gain
- Big Data, HDFS
- YARN, Spark
- MapReduce
- PIG, HIVE
- HBase, Mahout
- Spark MLLib
- Solar, Lucene
- Zookeeper, Oozie
Online Classroom Batches Preferred
No Interest Financing start at ₹ 5000 / month
Corporate Training
- Customized Learning
- Enterprise Grade Learning Management System (LMS)
- 24x7 Support
- Enterprise Grade Reporting
Hadoop Course Curriculam
Trainers Profile
LearnoVita trainers in available for Hadoop Online Course including 24/7 live support. The essence of the hadoop is affording recorded sessions, demos, and study materials. Our Instructors are working in Hadoop and with real time experienced for 10+ more years in MNC's . Our training will be focused on assisting in placements as well.
Pre-requisites
Basic prerequisites for learning Big Data Testing : Linux , Java , SQL.
Syllabus of Hadoop Course in Tiruchirappalli Download syllabus
- High Availability
- Scaling
- Advantages and Challenges
- What is Big data
- Big Data opportunities,Challenges
- CharLearnoVitaristics of Big data
- Hadoop Distributed File System
- Comparing Hadoop & SQL
- Industries using Hadoop
- Data Locality
- Hadoop Architecture
- Map Reduce & HDFS
- Using the Hadoop single node image (Clone)
- HDFS Design & Concepts
- Blocks, Name nodes and Data nodes
- HDFS High-Availability and HDFS Federation
- Hadoop DFS The Command-Line Interface
- Basic File System Operations
- Anatomy of File Read,File Write
- Block Placement Policy and Modes
- More detailed explanation about Configuration files
- Metadata, FS image, Edit log, Secondary Name Node and Safe Mode
- How to add New Data Node dynamically,decommission a Data Node dynamically (Without stopping cluster)
- FSCK Utility. (Block report)
- How to override default configuration at system level and Programming level
- HDFS Federation
- ZOOKEEPER Leader Election Algorithm
- Exercise and small use case on HDFS
- Map Reduce Functional Programming Basics
- Map and Reduce Basics
- How Map Reduce Works
- Anatomy of a Map Reduce Job Run
- Legacy Architecture ->Job Submission, Job Initialization, Task Assignment, Task Execution, Progress and Status Updates
- Job Completion, Failures
- Shuffling and Sorting
- Splits, Record reader, Partition, Types of partitions & Combiner
- Optimization Techniques -> Speculative Execution, JVM Reuse and No. Slots
- Types of Schedulers and Counters
- Comparisons between Old and New API at code and Architecture Level
- Getting the data from RDBMS into HDFS using Custom data types
- Distributed Cache and Hadoop Streaming (Python, Ruby and R)
- YARN
- Sequential Files and Map Files
- Enabling Compression Codec’s
- Map side Join with distributed Cache
- Types of I/O Formats: Multiple outputs, NLINEinputformat
- Handling small files using CombineFileInputFormat
- Hands on “Word Count” in Map Reduce in standalone and Pseudo distribution Mode
- Sorting files using Hadoop Configuration API discussion
- Emulating “grep” for searching inside a file in Hadoop
- DBInput Format
- Job Dependency API discussion
- Input Format API discussion,Split API discussion
- Custom Data type creation in Hadoop
- ACID in RDBMS and BASE in NoSQL
- CAP Theorem and Types of Consistency
- Types of NoSQL Databases in detail
- Columnar Databases in Detail (HBASE and CASSANDRA)
- TTL, Bloom Filters and Compensation
- HBase Installation, Concepts
- HBase Data Model and Comparison between RDBMS and NOSQL
- Master & Region Servers
- HBase Operations (DDL and DML) through Shell and Programming and HBase Architecture
- Catalog Tables
- Block Cache and sharding
- SPLITS
- DATA Modeling (Sequential, Salted, Promoted and Random Keys)
- Java API’s and Rest Interface
- Client Side Buffering and Process 1 million records using Client side Buffering
- HBase Counters
- Enabling Replication and HBase RAW Scans
- HBase Filters
- Bulk Loading and Co processors (Endpoints and Observers with programs)
- Real world use case consisting of HDFS,MR and HBASE
- Hive Installation, Introduction and Architecture
- Hive Services, Hive Shell, Hive Server and Hive Web Interface (HWI)
- Meta store, Hive QL
- OLTP vs. OLAP
- Working with Tables
- Primitive data types and complex data types
- Working with Partitions
- User Defined Functions
- Hive Bucketed Tables and Sampling
- External partitioned tables, Map the data to the partition in the table, Writing the output of one query to another table, Multiple inserts
- Dynamic Partition
- Differences between ORDER BY, DISTRIBUTE BY and SORT BY
- Bucketing and Sorted Bucketing with Dynamic partition
- RC File
- INDEXES and VIEWS
- MAPSIDE JOINS
- Compression on hive tables and Migrating Hive tables
- Dynamic substation of Hive and Different ways of running Hive
- How to enable Update in HIVE
- Log Analysis on Hive
- Access HBASE tables using Hive
- Hands on Exercises
- Pig Installation
- Execution Types
- Grunt Shell
- Pig Latin
- Data Processing
- Schema on read
- Primitive data types and complex data types
- Tuple schema, BAG Schema and MAP Schema
- Loading and Storing
- Filtering, Grouping and Joining
- Debugging commands (Illustrate and Explain)
- Validations,Type casting in PIG
- Working with Functions
- User Defined Functions
- Types of JOINS in pig and Replicated Join in detail
- SPLITS and Multiquery execution
- Error Handling, FLATTEN and ORDER BY
- Parameter Substitution
- Nested For Each
- User Defined Functions, Dynamic Invokers and Macros
- How to access HBASE using PIG, Load and Write JSON DATA using PIG
- Piggy Bank
- Hands on Exercises
- Sqoop Installation
- Import Data.(Full table, Only Subset, Target Directory, protecting Password, file format other than CSV, Compressing, Control Parallelism, All tables Import)
- Incremental Import(Import only New data, Last Imported data, storing Password in Metastore, Sharing Metastore between Sqoop Clients)
- Free Form Query Import
- Export data to RDBMS,HIVE and HBASE
- Hands on Exercises
- HCatalog Installation
- Introduction to HCatalog
- About Hcatalog with PIG,HIVE and MR
- Hands on Exercises
- Flume Installation
- Introduction to Flume
- Flume Agents: Sources, Channels and Sinks
- Log User information using Java program in to HDFS using LOG4J and Avro Source, Tail Source
- Log User information using Java program in to HBASE using LOG4J and Avro Source, Tail Source
- Flume Commands
- Use case of Flume: Flume the data from twitter in to HDFS and HBASE. Do some analysis using HIVE and PIG
- HUE.(Hortonworks and Cloudera)
- Workflow (Action, Start, Action, End, Kill, Join and Fork), Schedulers, Coordinators and Bundles.,to show how to schedule Sqoop Job, Hive, MR and PIG
- Real world Use case which will find the top websites used by users of certain ages and will be scheduled to run for every one hour
- Zoo Keeper
- HBASE Integration with HIVE and PIG
- Phoenix
- Proof of concept (POC)
- Spark Overview
- Linking with Spark, Initializing Spark
- Using the Shell
- Resilient Distributed Datasets (RDDs)
- Parallelized Collections
- External Datasets
- RDD Operations
- Basics, Passing Functions to Spark
- Working with Key-Value Pairs
- Transformations
- Actions
- RDD Persistence
- Which Storage Level to Choose?
- Removing Data
- Shared Variables
- Broadcast Variables
- Accumulators
- Deploying to a Cluster
- Unit Testing
- Migrating from pre-1.0 Versions of Spark
- Where to Go from Here
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Exam & Certification
At LearnoVita, You Can Enroll in Either the instructor-led Hadoop Online Course, Classroom Training or Online Self-Paced Training.
Hadoop Online Training / Class Room:
- Participate and Complete One batch of Hadoop Training Course
- Successful completion and evaluation of any one of the given projects
Hadoop Online Self-learning:
- Complete 85% of the Hadoop Certification Training
- Successful completion and evaluation of any one of the given projects
These are the Different Kinds of Certification levels that was Structured under the Cloudera Hadoop Certification Path.
- Cloudera Certified Professional - Data Scientist (CCP DS)
- Cloudera Certified Administrator for Hadoop (CCAH)
- Cloudera Certified Hadoop Developer (CCDH)
- Learn About the Certification Paths.
- Write Code Daily This will help you develop Coding Reading and Writing ability.
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- Solve Sample Tests that would help you to Increase the Speed needed for attempting the exam and also helps for Agile Thinking.
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Hadoop Course FAQ's
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- More than 5400+ students placed in last year in India & Globally.
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