Databases & Persistence
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Time-Series Databases Explained: Prometheus, InfluxDB, and TimescaleDB
Almost every system you build today generates data tied to time. Think of CPU usage sampled every second, a heart-rate monitor sending readings from…
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Vector Databases Explained: The Backbone of Modern Applications
When you type a search in Google, ask WhatsApp to find a message, or get a “recommended for you” video on YouTube you’re experiencing…
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How Distributed Databases Work: Sharding, Replication, and CAP Theorem Simplified
Every time you send a message on WhatsApp, scroll Instagram, or order something from Amazon, you’re touching a distributed database without even realizing it.…
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Spring Boot : Steps to Configure and Fine-Tune HikariCP DataSource
1. For better performance and concurrency in microservice architecture, HikariCP is recommended along with Spring Boot application. Main question is how to configure HikariCP in…
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Red Hat JBoss Fuse ESB + Apache Camel + Aggregate EIP + MySQL + OSGI Blueprint
In this blog we will implement Apache Camel Enterprise Integration Patterns Aggregate. It concatenates number of messages together into a single message. In this…
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Red Hat JBoss Fuse ESB + Apache Camel + MySQL + OSGI Blueprint DSL
In this blog, we will learn Apache Camel integration with MySQL database with OSGI Blueprint DSL. Application Architecture Overview This example contains step by…
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Spring Boot + Spring Data MongoDB + Rest API + Example
High Level Application Architecture Here is the high level application’s architecture with MongoDB integration. Why MongoDB? What are the differences between SQL and NO-SQL…
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Spring Boot + Spring Security with Database Authentication (MySQL) + Rest API + Example
Microservice: Application Overview In this example, we are exposing a Rest API (/login) for the end user authentication. URL: http://localhost:8080/springbootdbauth/login. On successful login it…
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Spring Boot + Spring Security with inMemoryAuthentication + Add | Delete Operations in MySQL + Custom Login | Logout JSP + Example
In this Spring Boot example, we will discuss inMemoryAuthentication in Spring Security along with custom login, logout JSP pages. Technology Stack Project Structure Maven…
