What is Amazon EMR -AWS blog Info

-
An Amazon EMR stands for Amazon Elastic MapReduce. It is a web service used to process the large amounts of data in a cost-effective manner. The central component of an Amazon EMR is a cluster. Each cluster is a collection of EC2 instances and an instance in a cluster is known as node. Each node has a specified role attached to it known as a node type, and an Amazon EMR installs the software components on node type. Following are the node types: AWS Interview Questions Master node A master node runs the software components to distribute the tasks among other nodes in a cluster. It tracks the status of all the tasks and monitors the health of a cluster. Core node A core node runs the software components to process the tasks and stores the data in Hadoop Distributed File System (HDFS). Multi-node clusters will have at least one core node. Task node A task node with software components processes the task but does not store the data in HDFS. Task nodes are optional.

Comments

Post a Comment

Popular posts from this blog

Amazon Route 53-AWS Blog Info

-
Image
Amazon Route 53  is a highly available and scalable Domain Name System (DNS) web service. It is designed for developers and corporates to route the end users to Internet applications by translating human readable names like  www.mydomain.com , into the numeric IP addresses like 192.0.2.1 that computers use to connect to each other. How to Configure Amazon Route 53? Following are the steps to configure Route 53. Step 1  − Open the Amazon Route 53 console using this link −  https://console.aws.amazon. com/route53/ . Step 2  − Click create hosted zone option on the top left corner of the navigation bar. Step 3  − A form page opens. Provide the required details such as domain name and comments, then click the Create button. Step 4  − Hosted zone for the domain will be created. There will be four DNS endpoints called delegation set and these endpoints must be updated in the domain names Nameserver settings. Step 5  − If it is  godaddy.com  th...
Read more

Introduction To Amazon Web services-AWS Blog Info

-
Image
·   AWS stands for  Amazon Web Services . ·   The AWS service is provided by the Amazon that uses distributed IT infrastructure to provide different IT resources available on demand. It provides different services such as infrastructure as a service (IaaS), platform as a service (PaaS) and packaged software as a service (SaaS). ·   Amazon launched AWS, a cloud computing platform to allow the different organizations to take advantage of reliable IT infrastructure. Uses of AWS ·   A small manufacturing organization uses their expertise to expand their business by leaving their IT management to the AWS. ·   A large enterprise spread across the globe can utilize the AWS to deliver the training to the distributed workforce. ·   An architecture consulting company can use AWS to get the high-compute rendering of construction prototype. ·   A media company can use the AWS to provide different types of content such as ebox or audio files to t...
Read more

What is DNS(Domain name Services)-AWS Blog Info

-
Image
DNS stands for Domain Name System. DNS is used when you use an internet. DNS is used to convert human-friendly domain names (such as  https://www.javatpoint.com ) into an Internet Protocol (IP) address. IP addresses are used by computers to identify each other on the network. IP addresses are of two types,  i.e., Ipv4 and Ipv6. Top Level Domains Domains are seperated by a string of characters seperated by dots. For example,  google.com ,  gmail.com , etc. The last word in a domain name is known as a Top Level Domain. The second word in a domain name is known as a second level domain name. For example: .com:  .com is a top-level domain. .edu:  .edu is a top-level domain. .gov:  .gov is a top-level domain. . co.uk :  .uk is a top-level domain name while .co is a second level domain name. . gov.uk :  .uk is a top-level domain name while .gov is a second level domain name. The Top level domain names are controlled by IANA (Internet Assigned Numbe...
Read more