Kafka Streams We use Kafka streams to process data coming to Kafka topics. Connect is useful when you want data in and out, but to modify that’s where Kafka streams come in. Kafka streams is a streaming engine. Event streams are like topics in brokers, sequence of events etc.. You can think…

Kafka Connect — Kafka Connect To get data into and out of kafka we use kafka connect. Source is multiple databases or data from APIs or text file or kafka, sink is another database or file or kafka. Changes in source will reflect in sink as a stream in real time. Kafka connect uses a…

Reading, writing and partitioning in Spark — Let’s say you need to filter sentences of a file that contain a particular word. File needs to fit in the disk to process it. Processing power of the machine is limited to the number of cores the machine has. What if the file is bigger than your disk space…

Install Virtual Box If your Minikube is pointing to Docker already, you can delete minikube minikube delete minikube start --vm-driver virtualbox

Unix, Windows, Docker — Setup in unix > Install apache2 > Place all files in /var/www/html Above hosts pages in http://localhost > To change the base url to /test ie http://localhost/test Create test dir and add test.conf in etc/apache2/sites-available File is here — etc/apache2/sites-available/test.conf test.conf must contain the below <VirtualHost *:80> ServerAdmin admin@statichtml.com…

Part 1 — Getting Started Install Tomcat Server Download Struts 2 Create a dynamic web project in Eclipse Include struts jar files that are downloaded Create struts.xml file Write action classes Inside the struts.xml file, mention struts dtd and in <struts> tag mention package tag Inside the package tag, mention mapping between action and request…

Dashboard

A reference before exam — Why Azure? be ready for future build on ur terms trust ur network operate hybrid seamlessly Market place — partner solutions optimized to run in azure, over 8000 solutions so far Infra — uses virtualization os and hardware separated using hypervisor Each server rack is attached with fabric controller software Multiple server racks…

Network Policy apiVersion: networking.k8s.io/v1 kind: NetworkPolicy metadata: name: test-network-policy namespace: default spec: podSelector: matchLabels: role: db policyTypes: - Ingress - Egress ingress: - from: - ipBlock: cidr: 172.17.0.0/16 except: - 172.17.1.0/24 - namespaceSelector: matchLabels: project: myproject - podSelector: matchLabels: role: frontend ports: - protocol: TCP port: 6379 egress: - to: - ipBlock: cidr: 10.0.0.0/24 ports: - protocol: TCP port: 5978