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Hbase-Why/When use it?

Category : Hadoop | Sub Category : Apache HBase | By Prasad Bonam Last updated: 2020-10-16 14:35:58 Viewed : 1004

Hbase-Why/When use it?

Data in billions of rows
Complex data
Highvolume of I/O
High levelof data nodes, 5+
No Need for extra RDBMS functions i.e.transactions

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Here are some interview questions related to HashSet and HashMap:
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PassingCars - Count the number of passing cars on the road.
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Resource sharing scenario using the Singleton design pattern in Java:
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Running your first Scala program.
Saga Pattern for Managing Long-lived Transactions
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Seq and List differences in Scala
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Set the time to Delete the data after 7 days using HBase TTL (Time To Live)
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Setting Up Your Environment
Short cut keywords to write java code in IntelliJ IDEA tool
Single Responsibility Principle and its Application
Singleton design pattern in Java
Singleton design pattern in Java
Software Architecture: Patterns for Developers
Solve the passing Car Codility Problem.
Some cases where using the Singleton pattern can be beneficial
Some cases where using the Singleton pattern can be beneficial
some common array-related interview questions in Java
Some essential concepts and steps to get you started with Kafka.
Some Java interview questions related to array pairs
Some of the important Java 8 features are
Sort a list in Java 8
Sort map by Key using Comparator
Sort Map by key/value using Stream APIs
Sorting a Map in Java 8
Spark - an ETL example in Apache Spark using Scala with sample code
Spark - Apache Spark Architecture
Spark - Configuring resources in Apache Spark
Spark - Datasets in Apache Spark
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Spark - Examples of RDD Actions in Apache Spark
Spark - Examples of RDD Actions in Apache Spark
Spark - Pair RDD Functions in scala
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Spark - Read data from Hbase using Spark and Scala
Spark - Resource allocation in Apache Spark
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Spark -About Apache Spark
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Spark -How to work with partitions in Apache Spark RDDs and DataFrames
Spark -Read files in various formats using the appropriate Spark API
Spark -Some DataFrame examples using Scala in Apache Spark
Spark – SQL Schema in scala
Spark –read ,write and delete files in scala
Spark Resilient Distributed Datasets (RDDs)
Spark SQL - DataFrame Examples in Scala
Spark SQL - DataSet Examples in Scala
Spark- Create an empty RDD
Spark-Apache Spark RDD (Resilient Distributed Dataset) examples in Scala
Spring @Qualifier Annotation with example
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Spring Boot application with JPA (Java Persistence API) for performing CRUD (Create, Read, Update, Delete) operations
Spring boot Architecture
Spring boot tutorial
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Ternary search algorithm:
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Testing Strategies for Microservices (Unit, Integration, Contract, End-to-End)
The @FunctionalInterface annotation
The architecture of a Spring Boot application
The basic command to create a Kafka topic
The basic concepts and steps to get you started with Docker:
The Chain of Responsibility pattern offers advantages
The Chain of Responsibility pattern offers disadvantages
The error message "The input line is too long. The syntax of the command is incorrect."
The genesis of Java
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The Liskov Substitution Principle (LSP)
The SOLID principles
The SOLID principles
Time To Live (TTL)
To create a Kafka consumer and consume messages from a Kafka topic
To create a Kafka producer and send messages to a Kafka topic
To deploy an application with two deployments in Kubernetes,
To deploy Istio resources on your Kubernetes cluster,
To find the Kth smallest or largest element in an unsorted array in Java
To install Istio on Amazon EKS (Elastic Kubernetes Service)
To submit form data with React on the front end and a Spring Boot application on the back end
Top 10 use cases of Databricks
Type casting (or type conversion) in Go
Types of services in Kubernetes
Understanding the Kubernetes API with examples
Understanding the Kubernetes API.
Understanding the motivations behind the changes
Understanding the Scala REPL (Read-Eval-Print Loop).
Unix Commands
Update a Hbase Table data using Java
Update Hbase Table data in HIVE and Impala
Use Cases and Real-world Examples in micro services
User Logging and Tracing in Microservices
Using Nashorn for scripting in Java applications
Using Try, Success, and Failure for error handling in scala
Various examples of Ansible scripts (playbooks)
Various ways to reverse a string in Java.
Web and application servers list
What are different Spring Bean Scopes?
What are lambda expressions?
What are Microservices?
What are some other data structures that use hashing?
What are the consequences of not overriding hashCode() and equals() correctly in a HashMap?
What are the different types of software architectural styles?
What are the different ways to configure properties in a Spring Boot application?
What are the different ways to deploy a Spring Boot application?
What are the key data structures in Apache Spark
What are the main trade-offs between a lower and higher load factor in a HashMap?
What is an Auxiliary constructor in Scala?
what is anaconda and scala
what is anaconda and scala
What is Apache Spark
What is Case in Scala?
What is Data Frame in Apache Spark
What is difference between creating String as new and literal?
what is Functional Collections in Scala
what is Functional Collections in Scala
What is Hadoop
What is IoC (Inversion of Control)
what is npm and Node.js
What is RDD in apache Spark
What is Recursion tail in Scala?
What is Scala?
What is Scala?
What is Scala?
what is SiteMinder and SSO implementation
What is Spring Boot
What is Spring Boot, and what are its main features with examples?
What is Spring Boot, and what are its main features?
What is Spring Data JPA, and how is it used in a Spring Boot application?
what is synchronization in java
What is the 12 factor methodology in microservices?
What is the best way to implement the Singleton class
What is the purpose of the @SpringBootApplication annotation in a Spring Boot application?
what is Thread-Safety in Java
What is Type inference in Scala
When and where to use Apache Spark
When to use RDDs, Datasets, and DataFrames
Where to use Scala
Which Azure Data Factory components should you use to connect to a data source?
Why is an Option used in Scala?
Why Kubernetes?
Why Scala prefers Immutability?
Why we need design patterns in java
Window functions in Spark SQL (Databricks)
Work with a Docker container
Working with Workspace Objects in Azure Databricks
Write a Java program to connect to a SQL DataBase.
Write a java program to display a simple string.
Write a Java program to implement a Binary Search Algorithm.
Write a Java program to implement HeapSort Algorithm.
Write a Java program to implement HeapSort Algorithm.
Write a Java program to print the nodes present in the Circular LinkedList
Write a Java program to remove elements from an ArrayList
Write a java program which show Hello world!
Write a logic to determine and convert given primitive type to its wrapper class and return result
Write a program in Java to implement HashMap.
Write a program that calculates the area of a circle, use data type of double.
Write a program that convert one data type in to another data type
Write a program that demonstrate if-else statement
Write a program that demonstrates the Boolean type values.
Write a program to compute distance light travel in 1000 days using long variables.
write a program to demonstrate the for loop.
Write a program to demonstrates the lifetime of a variable.
Write a program to find intersection of two sorted arrays in Java with output
Write a program to reverse an array or string
Write a program which contains block of code in “for” loop definition.
Write a program which demonstrate dynamic initialization.
Write a program which demonstrate the arithmetic operator
Write a program which demonstrate the arithmetic operator
Write a program which demonstrate the if statement.
Write a program which demonstrates the Ternary (?) operator.
Write a program which show the effect of nested scopes.
Write a program which shows the function of increment(++).
Write a programme left shifting the byte value.
Write a programme that demonstrate modulus operator
Write a programme that demonstrate modulus operator
Write a programme that demonstrate the Boolean logical operator
Write a programme that show simple example of switch
Write a simple java program to display a string and perform a simple multiplication.
Writing data in a Table using HBase Shell
You are building an Azure Stream Analytics pipeline. You need to configure the pipeline to analyze events that occur during a five-minute window after an event fires. Which windowing function should you use?
You create an Azure Stream Analytics job. You run the job for five hours. You need to ensure that these events are not dropped. What should you do?
You design an Azure Data Factory data flow activity to move large amounts of data from text files to an Azure Synapse Analytics database. You add a data flow script to your data flow. The data flow in the designer has the following tasks: distinctRows1: Aggregate data by using myCols that produce columns. source1: Import data from DelimitedText1. derivedColumn1: Create and update the C1 columns. select1: Rename derivedColumn1 as select1 with columns C1. sink1: Add a sink dataset. You need to ensure that all the rows in source1 are deduplicated. What should you do?
You have 500 IoT devices and an Azure subscription. You plan to build a data pipeline that will process real-time data from the devices. You need to ensure that the devices can send messages to the subscription. What should you deploy?
You have a Delta Lake solution that contains a table named table1. You need to roll back the contents of table1 to 24 hours ago. Which command should you run?
You have an Azure Data Factory pipeline named Pipeline1. Which two types of triggers can you use to start Pipeline1 directly? Each correct answer presents a complete solution.
You have an Azure Data Factory pipeline named Pipeline1. You need to send an email message if Pipeline1 fails. What should you do?
You have an Azure Stream Analytics solution that receives data from multiple thermostats in a building. You need to write a query that returns the average temperature per device every five minutes for readings within that same five minute period. Which two windowing functions could you use?
You have an Azure subscription that contains a Delta Lake solution. The solution contains a table named employees. You need to view the contents of the employees table from 24 hours ago. You must minimize the time it takes to retrieve the data. What should you do?
You have an Azure subscription that contains the following resources
You need to ensure that all changes to DB1 are stored in DW1. The solution must meet the following requirements:
You need to ensure that all changes to DB1 are stored in DW1.The solution must capture the new value and the existing value and store each value as a new record.
You need to ensure that all changes to DB1 are stored in DW1.The solution must capture the new value and the existing value and store each value as a new record.
You plan to configure an Azure Stream Analytics job named Job1.
You plan to use an Azure Synapse pipeline to copy CSV files from the branch office, perform complex transformations on their content, and then load them to DB1.

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