Kubernetes and Apache Mesos are both open-source systems for managing containerized applications in a cluster of machines. Kubernetes is designed to be a general-purpose orchestration system, while Mesos is designed to be a more specialized cluster manager for running distributed systems. Both systems offer similar features, such as automatic scaling and failover, but they have […]
Cloud Computing - Similar to Car Rental?
Cloud Virtual Machine - Cloud Server
Serverless Computing - Function as a Service (FaaS)
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Cloud Computing - Similar to Car Rental?
Cloud Virtual Machine - Cloud Server
Serverless Computing - Function as a Service (FaaS)
Cloud Regions and Availability Zones
Cloud Block Storage as a Service
Cloud File Storage as a Service
Cloud Object Storage as a Service
Covid-19 hooks Zoom up with Oracle Cloud - Explained with Memes
This is Big Data
Cloud Desktop as a Service
Tag: hive
Port vs TargetPort in Kubernetes Service
In Kubernetes, when creating a service, you have to set the “port” and “targetPort” properties. A “port” refers to the container port exposed by a pod or deployment, while a “targetPort” refers to the port on the host machine that traffic is directed to. Let’s look at example manifiest file of a service. In this […]
Benefits of Kubernetes on cloud over on-premise
When it comes to using Kubernetes for container orchestration, organizations have the option of either deploying and managing the clusters themselves on-premise or using a managed service offered by a cloud provider. If you choose to deploy Kubernetes on-premise, you will be responsible for setting up, managing, scaling and upgrading the clusters. On the other […]
Kubernetes as a Service on Cloud
Many cloud providers offer Kubernetes as a service, which allows you to easily deploy and manage your Kubernetes clusters in the cloud. These services provide a variety of features such as automatic scaling, self-healing, rolling updates, service discovery and load balancing, and RBAC, and also offer integration with other cloud services, such as storage, networking, […]
Comparing Kubernetes and Docker Compose
Kubernetes and Docker Compose are two popular tools for managing and deploying containerized applications. We will go over the unique features and capabilities of each tool, and provide guidance on when it may be more appropriate to use one over the other. Kubernetes Kubernetes is an open-source container orchestration system for automating the deployment, scaling, […]
Comparing Amazon EKS and ECS
When it comes to running containerized applications on the AWS cloud, organizations are often faced with the decision of choosing between Amazon Elastic Kubernetes Service (EKS) and Amazon Elastic Container Service (ECS). EKS and ECS are both managed container orchestration services offered by AWS. Both these services assist in the deployment, management, and scaling of […]
Hive: How to clear the contents of Hive CLI
Command You’re most likely familiar with the clear command to clear the contents of Unix /Linux shells. You can use a slightly modified version of this command to clear the contents of the Hive CLI. Keyboard Shortcut Alternatively, the following keyboard shortcut can be used to clear the contents of the Hive CLI.
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CTRL + L |
Hive: How to display column names in SELECT statement output
If you’re executing any SELECT statement on Hive cli, only the rows are displayed. The column names are not displayed by default. To show the column headers, print.header property needs to be set to true. This can be done with the following statement. By default, the output of SELECT statement will not have any column […]
Find the version of Apache Hive from Command Line Interface (CLI)
The version of Apache Hive can be retrieved from Command Line. You don’t have to navigate through the configuration files or browse through the User Interface. There are two commands that can be used from Command Line to obtain the version of Apache Hive. COMMAND #1 This command follows the popular convention used by other […]
Apache Sqoop: Import data from RDBMS to HDFS in ORC Format
Apache Sqoop import tool offers capability to import data from RDBMS (MySQL, Oracle, SQLServer, etc) table to HDFS. Sqoop import provides native support to store data in text file as well as binary format such as Avro and Parquet. There’s no native support to import in ORC format. However, it’s still possible to import in […]