API Documentation with Swagger Swagger is an open-source framework built around the OpenAPI specification, designed to assist in designing, building, documenting, and consuming RESTful APIs. It comprises three main components: an editor for writing OpenAPI specs, a UI that renders interactive docume...
Spring Boot Admin provides a web-based management interface for Spring Boot applications. Built on top of Spring Boot Actuator, it offers a visual dashboard for monitoring application health, metrics, and configurations. Key capabilities include:Application status and version trackingLog level manag...
The Java Virtual Machine (JVM) provides several command-line tools for monitoring and debugging applications. These utilities offer insights into process status, runtime statistics, configuration, memory usage, and thread states. jps: Process Status Tool This tool lists JVM processes on the local ma...
Log Analysis System Overview The ELK stack consists of three core components: Elasticsearch: Handles log indexing, storage, and search capabilities Logstash: Manages log collection, parsing, and data transformation Kibana: Provides visualization and dashboard creation interface These open-source too...
Zabbix supports multiple methods to deliver alert notifications, such as email and SMS. However, an increasing number of organizations are adopting WeChat integration with Zabbix as they primary alerting mechanism, enabling timely and efficient delivery of alerts to recipients for prompt response.1....
Deploying Cacti requires specific system prerequisites to ensure stability and performance. The target environment must run CentOS 7 or higher with stable network connectivity. PHP version 7.x or later is required, along with a database backend such as MariaDB or MySQL version 5.7 or newer. Deployme...
The Prometheus Operator simplifies deployment and management of Prometheus monitoring stacks within Kubernetes environments. This implementation enables automated service discovery, persistent storage configuration, and integration with alerting systems like Alertmanager. Core Architecture Component...
Subscriber-side visibility Table-level progress: pg_subscription_rel Table synchronization state for each subscription is exposed through pg_subscription_rel. Joining with pg_subscription and pg_class makes the output easier to read. SELECT s.subname, c.relname AS table_name, r.srsubstate, r.srsubls...
