APACHE CASSANDRA INSTALLATIONS These are the guidelines for setting up the supported Apache Cassandra releases on Linux systems. Cassandra runs on a wide array of Linux distributions including (but not limited to): ⦁ Ubuntu, most notably LTS releases 16.04 to 18.04. ⦁ CentOS & RedHat… Read More
Built in Object Types in Python ▪️ All programming languages support a number of built-in variable types. These are the building blocks used for all the other variable types available within the language. ▪️ By combining or extending the basic variable, we can create some… Read More
BLOOM FILTERS WHAT ARE BLOOM FILTERS: Cassandra combines data from RAM (in memtables) and disk (in SSTables) in the read path. Cassandra uses a data structure called a bloom filter to avoid having to go through each and every SSTable data file to find the… Read More
Creating a new Docker Image/container from existing Container And run the new container. Step 1: Create an initial Base Container – for an App ▪️ Let’s get started by creating a running container. ▪️ So that we don’t get bogged down in the details of… Read More
CASSANDRA BACKUPS WHAT ARE BACKUPS: Immutable SSTable files are used by Apache Cassandra to store data. The backup copies of the database data that are kept as SSTable files in the Apache Cassandra database are called backups. There are various uses for backups, some of… Read More
OPERATORS IN PYTHON Operator: It is defined as a symbol which is responsible for a particular operation between two operands. Python supports different types of operators: 1. Arithmetic Operators 2. Assignment Operators 3. Logical Operators 4. Comparison Operators 5. Bitwise Operators 6. Identity Operators 7.… Read More
Creating Docker Container using Docker file: Use Case of Docker: ▪️ Consider a team working on a Java application. Various groups are involved in the Software Development lifecycle: designing, development, testing, production, deployment, etc. Step 1: The developer will create an environment that includes a Tomcat… Read More
Basics of Docker Containers: What are containers: ▪️ Containers are lightweight packages of your application code together with dependencies such as specific versions of programming language runtimes and libraries required to run your software services. ▪️ Containers make it easy to share CPU, memory, storage, and… Read More
String: ⦁ It is one of the built-in data structures in python. ⦁ String is a group of one or more characters which are enclosed in between single, double, triple quotes. ⦁ Strings can contain symbols, letters, numbers and special characters. ⦁ Strings are immutable… Read More
USER DEFINED DATA TYPES IN CQL Handling several fields of connected data in a table is made easier with the use of a user-defined type. By representing the linked fields of information using a user-defined type rather than storing them in separate tables, applications that… Read More
