datastax

Running your Database on OpenShift and CodeReady Containers

An introductory run-through of setting up your database on OpenShift, using your own hardware and RedHat’s CodeReady Containers.

Available Now – gRPC for Apache Cassandra

General availability of a gRPC API for Apache Cassandra to leverage a powerful database in combination with a microservices-oriented API.

Tombstones and Ghost Data Don’t Have to Be Scary!

Working with tombstones can be one of the more frustrating aspects of Apache Cassandra®. Problems with tombstones can happen when a large number of deletes occur within a short period of time, resulting in slower queries and disk bloat. This …

Full Stream Ahead: Astra Streaming, Powered by Apache Pulsar

Astra Streaming is a massively scalable, highly performant event streaming and cloud messaging platform that addresses the data in motion requirements for modern data apps.

Reaper 3.0 for Apache Cassandra is available

The K8ssandra team is pleased to announce the release of Reaper 3.1. Let’s dive into the features and improvements that 3.0 recently introduced (along with some notable removals) and how the newest update to 3.1 builds on that. JDK11 support Starting with 3.1.0, …

Building Reactive Java Applications with Spring Framework

Pretty much all Java developers are familiar with Spring Pet Clinic. In this article, we have given a walkthrough of the reactive implementation of it using Apache Cassandra.

Deploying to Multiple Kubernetes Clusters with the K8ssandra Operator

Let’s learn about the new K8ssandra Operator that simplifies deploying multiple Apache Cassandra data centers in different regions

Kubernetes Data Simplicity: Getting started with K8ssandra

K8ssandra is an open-source distribution of Apache Cassandra for Kubernetes, with a rich set of trusted open-source services and tooling.

Build a Status Dashboard Using Spring Boot and Astra DB

Learn how to leverage the Astra Document API on top of Cassandra to build a dashboard of statuses, with Spring Boot for rendering. 

Backing up K8ssandra with MinIO

K8ssandra includes Medusa for Apache Cassandra® to handle backup and restore for your Cassandra nodes. Recently Medusa was upgraded to introduce support for all S3 compatible backends, including MinIO, the popular k8s-native object storage suite. Let’s see how to set up …

K8ssandra: Production-Ready Platform for Running Apache Cassandra on Kubernetes

K8ssandra aims to provide a “production-ready platform”, and this includes automation for operational tasks such as repairs, backups, and monitoring.

K8ssandra Performance Benchmarks on Cloud Managed Kubernetes

Running Cassandra in Kubernetes using K8ssandra does not introduce any notable performance impacts in throughput nor in latency.

We were thrilled to see that K8ssandra dramatically simplified the deployment of Cassandra clusters, making it mostly transparent to run on premises or on cloud managed Kubernetes services, while offering the same level of performance. 

Connect Stateful Workloads Across Kubernetes Clusters

Learn how, with a bit of creativity, we were able to utilize off-the-shelf functionality and components to set up lightweight cross-cluster communication for apps in a multitenant environment.

While this solution is applicable to a somewhat narrow use case, it does come with several important advantages, including shared-nothing architecture, low complexity, low operational burden, and high degree of isolation between tenants.

Best Practices for Data Pipeline Error Handling in Apache NiFi

We have tools such as Apache NiFi, which allow us to design and manage our data pipelines, reducing the amount of custom programming and increasing overall efficiency.

Yet, when it comes to creating them, a key and often neglected aspect is minimizing potential errors.

Although many factors influence a NiFi data pipeline, three important ones are: understanding the nature of your data sources and targets, minimizing maintenance, and following best practices.