Learn how to monitor Kubernetes CoreDNS using Prometheus by exposing its metrics endpoint, configuring scrape jobs, and tracking essential metrics such as build info, request latency, error rates, traffic volume, and cache performance to ensure DNS reliability and cluster health.
The article explains how Home Depot (THD) adopted the VALET pattern language—Volume, Availability, Latency, Error, and Ticket—to unify service‑level objectives, automate data collection, build dashboards, and improve SRE practices across its massive retail and e‑commerce infrastructure.
This comprehensive guide walks you through Zabbix monitoring concepts, reliability calculations, installation methods, web UI configuration, host and template management, custom monitoring, alert integration with OneAlert, Grafana visualization, distributed monitoring, SNMP support, and practical scripts for large‑scale server environments.
This article reviews six open‑source log management solutions—OpenObserve, Grafana Loki, SigNoz, Graylog, Syslog‑ng, and Highlight.io—detailing their features, advantages, and drawbacks to help engineers select the most suitable tool for observability, monitoring, and cost‑effective log handling.
This article explains how to build robust, highly available cloud‑native applications on Alibaba Cloud Container Service for Kubernetes (ACK) by covering architecture principles, multi‑zone cluster design, Kubernetes HA features such as topology spread constraints and pod anti‑affinity, storage strategies, load‑balancing, virtual nodes, health probes, monitoring, and multi‑cluster deployment patterns.
The article explains the origins, common misconceptions, and a rigorous definition of observability (o11y), highlights its importance in cloud‑native environments, and describes how high‑cardinality, high‑dimensional telemetry enables effective debugging, troubleshooting, and performance analysis of modern distributed systems.
This article analyzes the challenges of logging in distributed services, compares the traditional ELK stack with Baidu's Tianyan platform, and details Tianyan's architecture, data collection, high‑throughput transmission, storage, retrieval, resource isolation, dynamic cleanup, and best‑practice recommendations, complete with code examples and performance insights.
This article describes how ZhaiZhai unified dozens of legacy monitoring tools into a single, all‑in‑one observability platform by adopting Prometheus + Grafana, extending the Prometheus client to push metrics to M3DB, automating Grafana dashboard creation, and building a custom alerting service to reduce operational complexity and improve visibility across business, middleware, and infrastructure services.
The Taobao platform’s slow‑SQL governance team implemented a comprehensive detection and governance pipeline—combining internal slow‑log tools, database slow‑query logs, and JVM‑Sandbox instrumentation to capture full SQL details, scoring high‑risk queries by execution time, scans, and standards violations, then prioritizing remediation through health scores, branch‑diff checks, and issue tracking—significantly cutting DB‑related incidents and boosting system stability.
PostgreSQL 16, released in September 2023, brings major enhancements in permission management, logical replication, performance, and monitoring, offering finer‑grained security, faster data handling, and comprehensive observability for modern database workloads.
This article shares Huolala's experience designing a unified monitoring platform UI, covering the evolution from open‑source dashboards to a fully self‑developed solution, simplification of PromQL, computed metrics, log and trace integration, and the challenges of alert configuration and visualization.
This article outlines essential architectural and operational strategies—including page static‑generation, CDN acceleration, caching layers, asynchronous processing, thread‑pool and MQ integration, sharding, connection pooling, read/write splitting, indexing, batch processing, clustering, load balancing, rate limiting, service degradation, failover, multi‑active deployment, stress testing, and monitoring—to build robust, high‑concurrency backend systems.
This article introduces the fundamentals of metrics in IT monitoring, explains the structure of metric data points, explores dimensional metrics, and provides an in‑depth guide to Prometheus metric types—Counters, Gauges, Histograms, and Summaries—along with practical code examples and usage considerations in cloud‑native environments.
The article explores why building system stability is crucial by linking entropy theory to software reliability, introduces the availability formula, discusses common pitfalls and industry practices, and proposes a three‑stage governance framework—prevention, mitigation, and post‑mortem—to systematically improve operational resilience.
This article explains how metrics are used to monitor software performance, introduces basic metric components and dimensional metrics, compares Prometheus, OpenMetrics and OpenTelemetry standards, and provides detailed guidance on Prometheus metric types—Counter, Gauge, Histogram, and Summary—with code examples and query patterns.
The article explains observability as the ability to infer any system state from external data, contrasts it with traditional monitoring, outlines challenges of high‑dimensional, high‑cardinality data and storage costs, and describes Didi’s hybrid MTL architecture that separates low‑ and high‑cardinality logs and metrics while linking them via TraceIDs to provide detailed, cost‑effective insight and streamlined debugging.
This article details how Vivo's container platform faced exploding metric volumes, component overload, data gaps, and storage spikes, and explains the step‑by‑step architectural redesign, metric governance, performance tuning, cAdvisor redeployment, and VictoriaMetrics upgrade that restored high‑availability, low‑latency monitoring across a large Kubernetes fleet.
This guide explains how to customize Nightingale monitoring alerts to include the number of pending alerts, the recovery metric value, and a link to view active alerts, using a small Python script, webhook integration, and template modifications, along with necessary database queries and Prometheus API calls.
This article introduces five essential Linux monitoring tools—iotop, htop, IPTraf, Monit, and related resources—explaining how each helps operations engineers diagnose I/O, CPU, memory, and network issues in real time without a GUI, and offers guidance on installation and practical use cases.
This article compares six open‑source log management platforms—OpenObserve, Grafana Loki, SigNoz, Graylog, Syslog‑ng, and Highlight.io—detailing their features, deployment options, advantages, and drawbacks to help you choose the most suitable solution for effective observability and system performance.
This article outlines Weibo's massive user‑scale challenges and presents a comprehensive high‑availability solution that combines capacity planning, distributed caching, micro‑service isolation, cross‑language RPC, service‑mesh governance, multi‑datacenter disaster recovery, containerization, and hybrid‑cloud scaling to ensure reliable service delivery.
The article explains how Python can be leveraged for various operations automation tasks—such as remote server management, log parsing, system monitoring, batch deployment, and backup—by showcasing practical examples and code snippets for each use case.
This article details the identification, analysis, and resolution of JVM memory problems in a core music metadata service, covering GC tuning, large‑object handling, fault‑tolerance strategies, custom Dubbo codec monitoring, and non‑intrusive memory object tracking to improve performance and stability.
The article describes how a real‑time data warehouse supporting ad‑delivery metrics adopts both technical and business‑side chaos‑engineering, using red‑blue team drills to inject faults, monitor indicator anomalies, and refine response procedures, thereby enhancing early risk detection, system resilience, and overall data stability for the advertising platform.
This article presents HuoLala's practical approach to guaranteeing the stability of the Doris OLAP engine within its large‑scale big data platform, covering background, challenges, case studies, capability building, process standards, and future planning.
This article outlines a comprehensive framework for preparing e‑commerce platforms for major sales events, covering the history of promotions, business models, system chain segmentation, stability goals, strategic planning, tactical measures, growth promotion, and reference resources to ensure high availability and reliable user experience.
To give the business team a global, application‑level view of Pulsar performance, the team built a SkyWalking Java‑Agent plugin that automatically collects producer and consumer metrics from the Pulsar client, exposing latency, backlog and failure counts via Prometheus without modifying the client code.
This guide explains how to analyze Linux load situations—whether CPU and load are both high or CPU is low while load remains high—by using commands like top, vmstat, iostat, sar, and jstack, and provides practical troubleshooting steps for common I/O‑related issues.
This article details Huolala's one‑stop monitoring platform called Monitor, covering its multi‑cloud architecture, data collection pipelines, real‑time business monitoring, unified alarm handling, and future AI‑driven enhancements, while sharing concrete metrics, incident case studies, and practical implementation steps for large‑scale observability.
This article explains how Prometheus stores alerts only as time‑series data, why that limits historical queries, and provides a complete open‑source solution using Alertmanager, Alertsnitch, MySQL, and Grafana to persist, query, and visualize alerts in production environments.
This guide explains how to design effective Prometheus metrics, choose appropriate monitoring objects, labels, and buckets, and leverage Grafana visualizations to gain deep insight into application performance across online services, offline processing, and batch jobs.
This guide walks you through setting up Spring Boot Admin, covering server and client configuration, essential monitoring features, security setup, custom notification code, and integration with microservices and Nacos for comprehensive application health management.
This article explains how to define, measure, and improve microservice reliability using availability metrics, the four golden signals, RED and USE methods, and practical SLI/SLO and MTTR practices, offering concrete guidance for effective service governance.
Facing unpredictable software behavior, the article explains why traditional system‑level monitoring often misses critical business issues, especially in complex pricing services, and presents a comprehensive approach that combines result (black‑box) and process (white‑box) monitoring, practical metrics, and actionable recommendations to improve observability and reduce operational risk.
This article introduces Prometheus and Grafana, guides readers through setting up a monitoring environment for Alluxio—including installing and configuring Prometheus Server, Grafana, and Alluxio data sources—and explains manual dashboard tuning and data export techniques.
The article outlines a practical framework for business‑level monitoring in banking systems, describing three evolution stages, key metrics such as transaction success rates and volume spikes, concrete alert rules, and the technical challenges of data collection, standardization, and massive parameter management.
Dewu’s capital‑loss prevention framework embeds risk assessment and technical safeguards—such as idempotency, distributed consistency, and active‑active multi‑region design—into architecture, organizes three defensive lines (development, QA, SRE), and employs real‑time, near‑real‑time, and offline verification plus regular drills, while advancing automated analysis and intelligent scaling.
By integrating Kubernetes with DevOps practices, teams can automate deployment pipelines, achieve dynamic resource allocation, centralize monitoring with tools like Prometheus and Grafana, and treat infrastructure as code, resulting in faster, higher-quality software delivery and improved collaboration between development and operations.
Didi upgraded its self‑developed Elasticsearch from JDK 11/G1 to JDK 17, adopting ZGC for latency‑critical clusters and tuned G1 for throughput, which eliminated long GC pauses, reduced query latency by up to 96%, cut CPU usage, and dramatically improved stability across multiple production clusters.
The article describes Ctrip's AIOps approach to improving alert quality by combining statistical methods and machine‑learning models such as LSTM, trend analysis, adaptive threshold calculation, and dynamic‑time‑warping based periodic anomaly detection, achieving significant gains in precision and fault‑recall rates.
To overcome native HPA limits and business‑specific constraints in a fully containerized, cloud‑native Kubernetes environment, we implemented a dual‑threshold water‑level and scheduled scaling engine, hybrid‑cloud ClusterAutoScale, mixed‑deployment resource prioritization, and comprehensive Prometheus‑based observability, achieving higher utilization, lower costs, and a roadmap toward deeper optimization and AIOps.
This comprehensive guide explains Prometheus fundamentals, its ecosystem, metric collection models, configuration, PromQL querying, custom exporters, Grafana visualization, and Alertmanager setup, providing step‑by‑step instructions and code examples for effective system monitoring and alerting.
This guide walks through setting up a Spring Boot Admin server and client, adding security, configuring logging, displaying client IPs, and dynamically adjusting log levels via the SBA UI, providing complete Maven dependencies, Java configuration classes, and YAML settings for a secure, observable Spring Boot ecosystem.
This article compiles seventeen practical Linux administration techniques—from batch file handling and directory checks to log analysis, disk monitoring, firewall rules, and network capture—each illustrated with ready‑to‑run shell commands and concise explanations for sysadmins.
This guide explains how to set up Alibaba Cloud Observability Prometheus edition to monitor ClickHouse, covering ClickHouse fundamentals, metric collection, dashboard templates, alert rules, troubleshooting steps, and deployment options for both ACK and ECS environments.
This article reflects on years of designing large‑scale backend systems at Tencent, discussing how to define clear architecture boundaries, ensure high availability, integrate diverse technologies, and use observability and monitoring to continuously evolve and improve massive service architectures.
This article compiles 17 practical Linux operation tricks—from file searching and batch extraction to disk monitoring, log analysis, and firewall scripting—providing sysadmins with ready-to-use command snippets that can streamline daily tasks and potentially earn a raise.
This tutorial explains Prometheus service discovery types, why automatic discovery is essential, the scrape lifecycle, and provides step‑by‑step demos of file‑based discovery, Consul registration via Docker‑Compose, JSON API, and command‑line methods with full configuration examples.
This article enumerates typical system performance problems such as slow response time, insufficient throughput, resource bottlenecks, database slowness, memory leaks, platform differences, network latency, security overhead, scalability limits, and provides practical optimization and mitigation strategies for each.
This article explains key performance testing parameters such as concurrent users, TPS, response time, virtual users, and data volume, outlines essential monitoring metrics, details preparation steps and simple API testing procedures, and compares popular load‑testing tools like JMeter, Locust, and LoadRunner.
This case study explains how the WeChat multi‑dimensional monitoring platform identified performance bottlenecks in its Druid‑based data layer, analyzed user query patterns, and applied sub‑query splitting, Redis caching, and segment size reductions to achieve over 85% cache‑hit rates and bring average query latency down to around 100 ms.
This article compiles practical operations guidelines covering safe testing, rigorous confirmation before commands, limiting multi‑person access, mandatory backups, careful use of destructive commands, SSH hardening, firewall rules, fine‑grained permissions, continuous monitoring, performance tuning steps, and a disciplined mindset to avoid costly incidents.
This article introduces a variety of Linux command‑line tools used for stress testing and performance monitoring, covering CPU, memory, disk, network, processes, load, temperature and other utilities with brief usage examples and practical tips.
This article describes Qunar's comprehensive root cause analysis platform, detailing its background, data-driven fault categorization, architecture—including trace, runtime, middleware, and event analysis modules—and demonstrates its high accuracy and practical impact on reducing incident resolution times across microservice services.
Didi’s ride‑hailing R&D team addresses efficiency and stability challenges of a large micro‑service ecosystem by unifying a Go stack, common framework, and data models, using eBPF traffic recording for automated regression testing, and applying AIOps alert filtering, knowledge‑graph root‑cause analysis, and a localization robot for rapid fault recovery, while targeting full CI/CD automation with static analysis, service‑mesh observability, and chaos engineering.
The article analyzes the importance of the 618 sales event, identifies factors that threaten system stability such as traffic spikes, massive data, complex scenarios, long delivery chains and low tolerance, and proposes comprehensive application, storage, and operational measures—including unitization, monitoring, logging, fast‑fail, rate‑limiting, degradation, database and cache designs, and emergency processes—to guarantee reliable service during the promotion.
This document outlines a comprehensive Standard Operating Procedure for building and maintaining a mobile application quality system, covering background, pre‑emptive planning, coding standards, branch management, code review, AI‑assisted tools, monitoring, issue handling, and continuous improvement to ensure stable, high‑quality mobile products.
This article explains the concepts and importance of observability, introduces the Vector data‑pipeline tool and its architecture, demonstrates how to configure sources, transforms and sinks, and shows how to integrate Vector with the Honghu platform to build a complete, real‑time monitoring solution for modern distributed systems.
This article walks through the step‑by‑step transformation of a simple online supermarket from a single‑node monolith to a fully fledged microservice architecture, highlighting the motivations, common pitfalls, component choices, monitoring, tracing, logging, resilience patterns, testing strategies, and the trade‑offs of frameworks versus service mesh.
This article outlines comprehensive best‑practice guidelines for building Kubernetes applications, covering scalability design, containerization, pod scope, configuration management, health probes, deployments, service discovery, storage, monitoring, security, and CI/CD integration to achieve robust, highly available workloads.
This guide walks through essential Redis operations, covering real‑time monitoring with the INFO command and Prometheus‑compatible exporters, data migration using Redis‑shake, consistency verification via Redis‑full‑check, and comprehensive cluster management with CacheCloud, providing practical tools for reliable Redis administration.
This article explains how to design effective Prometheus metrics for various application types, covering golden metrics, label selection, naming conventions, bucket choices, and Grafana visualization tips to help engineers build reliable observability solutions.
This article details Tencent Search’s end‑to‑end stability engineering framework, covering a layered reliability architecture, disaster‑recovery mechanisms, fast detection and monitoring, emergency response acceleration, pre‑release interception, automated defense, and collaborative governance that together improve MTTD and MTTR by an order of magnitude.
This article reviews a curated set of open‑source Kubernetes tools—including Helm, Flagger, Kubewatch, Gitkube, kube‑state‑metrics, Kamus, Untrak, Scope, Dashboard, Kops, cAdvisor, Kubespray, K9s, Kubetail, PowerfulSeal, and Popeye—that enhance management, security, monitoring, and deployment within DevOps pipelines.
This article details the comprehensive strategies SoulAPP employs across development, gray‑release, and operations to ensure Android app stability, covering R&D reviews, testing automation, crash monitoring, data analysis tools, and runtime safety‑net implementations.
The article outlines common system performance bottlenecks such as CPU, memory, disk I/O, network, exceptions, and databases, explains how to measure response time, TPS, and resource utilization, and provides a step‑by‑step bottom‑up and top‑down approach for testing, diagnosing, and optimizing Java‑based services.
This article explains how to benchmark Redis latency, identify common reasons for slowdowns such as high‑complexity commands, big keys, concentrated expirations, memory limits, fork overhead, swap usage, and CPU binding, and provides detailed configuration and operational steps to monitor and resolve each issue.
Grafana 10 introduces a suite of enhancements—including Correlations for cross‑data‑source linking, the Scenes front‑end library for building stunning dashboards, new Canvas, Trends, and Datagrid panels, CSV drag‑and‑drop support, sub‑folder organization, and improved data‑source selection—aimed at boosting analysis, collaboration, and efficiency for monitoring teams.
This article explains why tracking npm package usage in large‑scale frontend projects is challenging, compares three implementation approaches, and details a preferred webpack‑plugin solution that provides a seamless, real‑time dashboard without requiring developers to modify their packages.
This article details how the WeChat multi‑dimensional monitoring platform reduced average query latency from over 1000 ms to around 100 ms by analyzing user query patterns, redesigning the Druid data layer, splitting sub‑queries, introducing Redis caching, and employing sub‑dimension tables, achieving cache hit rates above 85%.
This article surveys a curated collection of open‑source Kubernetes utilities—including Helm, Flagger, Kubewatch, Gitkube, kube‑state‑metrics, Kamus, Untrak, Scope, Dashboard, Kops, cAdvisor, Kubespray, K9s, Kubetail, PowerfulSeal and Popeye—detailing their roles in deployment, monitoring, security, and cluster management for modern DevOps workflows.
This article describes how the ZhiZhuan B2C backend team built a standardized logging, custom Apollo‑based log agent, Prometheus‑driven alerting service, and first‑responsible‑person mechanism to quickly locate and resolve service timeouts, exceptions, and other production issues, even when working off‑site.
An online supermarket startup evolves its simple monolithic website into a fully distributed microservice architecture, detailing each transformation stage, the challenges encountered—such as code duplication, database bottlenecks, deployment complexity—and the solutions like service decomposition, monitoring, tracing, circuit breaking, and service mesh.
This article examines the challenges of logging in distributed services, compares the traditional ELK stack with Baidu's Tianyan solution, details Tianyan's architecture—including Ingest, Store, Consumer, Elastic Agent, Fleet, APM, Beats, and Disruptor‑based high‑throughput pipelines—covers resource isolation, dynamic cleanup, and best‑practice recommendations for building a scalable, low‑latency log platform.
This article outlines the background, objectives, and implementation framework of AIOps at a major bank, detailing data consolidation, analysis engines, scenario ecosystems, practical case studies, and future directions for intelligent, proactive IT operations.
Vivo’s account platform, serving 270 million users and over 100 billion daily requests, achieves high‑performance stability through disciplined service splitting, hierarchical dependency control, layered caching and sharding strategies, and comprehensive multi‑layer monitoring that together ensure scalability, availability, and rapid fault diagnosis.
This article examines the technical and operational challenges of the 618 shopping festival, presenting data‑driven insights and detailed strategies—including modular deployment, monitoring, logging, fast‑failure, rate limiting, database and cache optimizations, and emergency response plans—to help teams maintain system stability under massive traffic spikes.
This article explores the limitations of a Prometheus‑based monitoring stack and demonstrates how adopting a Thanos‑based architecture improves metric retention, enables multi‑cluster querying, and reduces overall infrastructure costs while providing a scalable, cloud‑native solution.
Corona is NetEase Cloud Music’s unified, cross‑platform front‑end monitoring system that ingests logs from Web, React Native, Node.js, Android, iOS, Flutter and Windows CEF, enriches them, routes them through real‑time anomaly and performance pipelines, stores them in HBase, and offers customizable alerts, de‑obfuscation, AI‑assisted analysis, and extensible reporting to ensure rapid fault detection and remediation across the organization.
This article presents a curated list of useful Linux command‑line tools—including Nethogs, IOZone, IOTop, IPtraf, IFTop, HTop, NMON, MultiTail, Fail2ban, Tmux, Agedu, NMap and Httperf—along with installation commands and brief usage notes to help system administrators monitor performance, security and resources effectively.
The article outlines Tencent Search’s stability governance, detailing a multi‑layered availability architecture, disaster‑recovery mechanisms, precise monitoring, rapid emergency workflows, pre‑release interception, extensive automation, and a collaborative governance model that together enhance system resilience, incident detection, and swift remediation.
This article details Guangdong Mobile's evolution of IT systems and operations, explains the four domain architecture, chronicles the AIOps adoption timeline, showcases intelligent anomaly detection, change assessment, fault diagnosis, and operation robots, and shares practical promotion methods and future outlook for AI‑driven IT operations.
This article explains the concept of high availability, outlines the challenges of collaborative delivery, architectural design, coding practices, secure release, and deployment operations, and provides concrete steps, process standards, emergency plans, and self‑check tools to ensure reliable, fault‑tolerant software systems.
This article explains what logging is, why it matters, when to log, the principles and level conventions, common log formats, and a comprehensive set of mandatory and recommended best‑practice rules for writing robust, secure, and maintainable backend logs.
By analyzing that most queries were time‑series and older than a day, the WeChat monitoring team split large Druid queries into per‑day/hour sub‑queries, introduced a multi‑granularity Redis cache and sub‑dimension tables, boosting cache hits above 85 % and cutting average latency from over 1000 ms to about 140 ms while reducing Druid load to roughly 10 % of its original volume.
This article explains how to collect extensive MySQL performance metrics—including connections, buffer pool statistics, lock information, SQL status, statement counts, throughput, server configuration, and slow‑query analysis—using only MySQL's native SHOW commands, providing practical commands, calculations, and optimization tips for effective database monitoring.
This article details NetEase Media's migration of most Flink jobs to a self‑built real‑time platform on Kubernetes, covering the benefits of K8s isolation, the chosen native deployment mode, performance‑critical optimizations, monitoring, resource‑recommendation, and future directions for cloud‑native streaming workloads.
This guide walks through using the TuGraph graph database to design and deploy graph applications, covering real‑world scenarios, database selection, built‑in datasets, Docker/CentOS/Ubuntu deployment, model design, data import, debugging, operational monitoring, and integration with services or direct RESTful APIs.
This article outlines the stability engineering approach for Baidu's DuoliXiong local service platform, detailing business challenges, architectural design, development standards, code review, deployment processes, monitoring, and consistency solutions, and presents practical implementations such as automated scaling, fault tolerance, and final consistency mechanisms.
This guide explains how to enable Prometheus metrics on GitLab Runner, configure the runner’s HTTP endpoint, collect the metrics with Prometheus, and visualize both runner and CI pipeline data in Grafana using ready‑made dashboards.
This article shows how Netflix's performance engineering team uses ten essential Linux commands—such as uptime, vmstat, mpstat, iostat, and top—to quickly assess system load, resource saturation, and errors within the first minute of investigation, following the USE method.
The team built a Node‑based front‑end inspection platform that boosted page‑stability testing speed from 0.4 to 4 pages per second, achieved high usage, execution and alarm accuracy, solved process‑exit issues by switching to fork, integrated six inspection components, cut regression testing of 100 pages from 60 to 10 minutes, and lowered CPU use to 20 % per pod, with plans to broaden coverage.
This article explains how to set up Redis monitoring using Prometheus, covering installation of Redis Exporter, Prometheus configuration, Grafana visualization, and alert rule creation, providing step‑by‑step commands and guidance to ensure high availability and performance of Redis instances.
Learn step‑by‑step how to configure Zabbix to send alerts via phone, SMS, Feishu, DingTalk, WeChat and email, including importing media types, setting up Spug Push templates, creating users, defining actions, and testing the notifications to ensure reliable monitoring.
This article outlines Huolala's comprehensive approach to event‑tracking data quality, covering goal definition, industry research, a six‑step transformation plan, real‑time monitoring, tool development, and future outlook for their in‑house tracking platform.
This article summarizes a speaker’s insights from GOPS 2023 on the challenges of large‑scale container cloud operations and presents a comprehensive intelligent‑ops framework—including health scoring, automated pod anomaly detection, smart scaling, and multi‑center disaster recovery—to improve visibility, efficiency, and reliability in Kubernetes environments.
This article outlines the essential architectural considerations for building a production‑ready batch processing module, covering design principles, task scheduling, parallelism, error handling, resource management, data‑layer concerns, deployment strategies, and monitoring practices.
This guide introduces several interactive command‑line utilities—htop, atop, nmon, vtop, bashtop, gtop and glances—explaining their features, key shortcuts, and installation steps so Linux administrators can monitor CPU, memory, disk and network usage more effectively than with the classic top command.
This guide introduces a collection of practical Linux operation tools—including Nethogs, IOZone, IOTop, IPtraf, iftop, HTop, NMON, MultiTail, Fail2ban, Tmux, Agedu, NMap, and Httperf—detailing their purpose, installation commands, usage examples, and key options for system administrators.
This article explains how to design and implement a lightweight, flexible monitoring solution for big‑data components running on Kubernetes using kube‑prometheus, covering metric exposure methods, scrape configurations, alert rule design, exporter deployment, and practical examples with code snippets.
