Middleware Team

Zabbix Report Scheduler Setup and Troubleshooting

I wanted to test the Zabbix report scheduler. In this blog, I will explain how to do it as well as the different issues I faced (with cause and resolution, obviously 🙂 ). By the way, report scheduler(…)

Zabbix Better Storage

Among the different possibilities for Zabbix storage, one piqued my curiosity: TimescaleDB TimescaleDB is a time series database plugin for PostgreSQL. Joël Cattin already blogged about it here from a(…)

Zabbix Configuration with API

Despite the will of Zabbix to be as automated as possible, some tasks cannot be automated. Nevertheless, Zabbix offers an HTTP-based API which can be used programmatically. This opens the door to huge possibilities in terms of automation.

Unable to start WebLogic Admin Server during host reconfiguration

In my previous blog named “Changing Fusion Middleware repository database“, I explained how to move a Fusion Middleware repository database from one host to a new host. During the run of this exercise, I came over an issue(…)

Apache Kafka Consumer Group

On producer side, messages are load balanced across partition based on hashed key. On the consumer side, to ensure that each message is processed by only one consumer within the group, allowing for load balancing, fault tolerance, and efficient(…)

Apache Kafka Concepts by Example

In this blog post, I will demonstrate the first few concepts to understand when you want to learn Apache Kafka. Documentation explains it well, but I find that concrete examples give a better feeling of(…)

Redis: Using Access Control List (ACL) part2

Introduction In the first part with have seen what are Redis ACL and why we are using it.WE also have seen how to list users with the ACL LIST command. Let’s continue and go deeper with command usage(…)

Redis: Using Access Control List (ACL) part1

Introduction: Security is an important matter when using or allowing access to your database.You need to be sure that nobody will harm your infrastructure by passing some dangerous commands. Aim is to limit the access to user to(…)

MongoDB: MongoDB for VS Code overview

Introduction: Users are always searching to ease their life when using their favorite Nosql tool such as MongoDB. Current methods are fine but what if you want to go further when developing on MongoDB?Is their any way to(…)

My JVM Memory Analyzes Toolkit

One of the most common errors while running an application is “out of memory”. And Java is no different besides errors being named exceptions. The exact exception name you might have encountered is: java.lang.OutOfMemoryError And, in most cases,(…)