Best Log Monitoring Tools in Japan

Graylog integrates ongoing log surveillance with interpretable AI, providing IT, DevOps, and security professionals with instantaneous insights and enhanced visibility in intricate environments. It aggregates logs from various cloud, on-premises, and hybrid platforms, employing AI-generated summaries and anomaly detection to focus on key issues—be it a performance glitch, a deployment failure, or a security concern. Equipped with customizable dashboards, alert thresholds, and guided remediation options, teams can swiftly transition from receiving alerts to taking action. Graylog’s AI capability helps filter out unnecessary noise, pinpoint root causes, and maintain a stable, secure, and compliant infrastructure—offering seamless log monitoring without any trade-offs.

Cloud-based solution for observability that helps businesses manage and track workload and performance through a single dashboard. Monitor all the services you run on your cloud without compromising cost, granularity or scale. Groundcover is a cloud-native APM solution that makes observability easy so you can focus on creating world-class products. Groundcover's proprietary sensor unlocks unprecedented granularity for all your applications. This eliminates the need for costly changes in code and development cycles, ensuring monitoring continuity.

Grafana Labs delivers the leading AI-powered observability platform, built around Grafana—the most widely adopted open source technology for dashboards and visualization. Recognized as a Leader in the 2025 Gartner® Magic Quadrant™ for Observability Platforms, Grafana Labs supports more than 25 million users and thousands of organizations worldwide, from startups to Fortune 500 enterprises. Grafana Cloud is the open observability cloud, designed to help engineering teams observe everything and solve anything. Built on open source, open standards, and open ecosystems, it unifies metrics, logs, traces, and profiles in a single platform for full-stack visibility across applications, infrastructure, and digital experiences. At the core is the open-source LGTM stack: Grafana for dashboards and visualization, Mimir for metrics, Loki for logs, and Tempo for distributed tracing. Native OpenTelemetry and Prometheus support allow teams to ingest telemetry from virtually any environment, while hundreds of integrations connect existing tools and data sources without costly rip-and-replace migrations. Grafana Cloud combines powerful analytics with AI-driven observability. Grafana Assistant helps engineers investigate issues, explore telemetry, and troubleshoot faster. Adaptive Telemetry identifies the data that matters most and aggregates the rest, helping organizations reduce telemetry costs while preserving valuable insights . With solutions for Kubernetes monitoring, application observability, digital experience monitoring, incident response, synthetic monitoring, and performance testing, Grafana Cloud delivers a complete observability platform that scales with your business.

NetCrunch is a next-gen, agentless infrastructure and traffic network monitoring system designed for hybrid, multi-site, and fast changing infrastructures. It combines real-time observability with alert automation and intelligent escalation to eliminate the overhead and limitations of legacy tools like PRTG or SolarWinds. NetCrunch supports agentless monitoring of thousands of nodes from a single server-covering physical devices, virtual machines, servers, traffic flows, cloud services (AWS, Azure, GCP), SNMP, syslogs, Windows Events, IoT, telemetry, and more. Unlike sensor-based tools, NetCrunch uses node-based licensing and policy-driven configuration to streamline monitoring, reduce costs, and eliminate sensor micromanagement. 670+ built-in monitoring packs apply instantly based on device type, ensuring consistency across the network. NetCrunch delivers real-time, dynamic maps and dashboards that update without manual refreshes, giving users immediate visibility into issues and performance. Its smart alerting engine features root cause correlation, suppression, predictive triggers, and over 40 response actions including scripts, API calls, notifications, and integrations with Jira, Teams, Slack, Amazon SNS, MQTT, PagerDuty, and more. Its powerful REST API makes NetCrunch perfect for flow automation, including integration with asset management, production/IoT/operations monitoring and other IT systems with ease. Whether replacing an aging platform or modernizing enterprise observability, NetCrunch offers full-stack coverage with unmatched flexibility. Fast to deploy, simple to manage, and built to scale-NetCrunch is the smarter, faster, and future-ready monitoring system. Designed for on-prem (including air-gapped), cloud self-hosted or hybrid networks.

With more than 50,000 customer installations across the five continents, Pandora FMS is a truly all-in-one monitoring solution, covering all traditional silos for specific monitoring: servers, networks, applications, logs, synthetic/transactional, remote control, inventory, etc. Pandora FMS allows you to quickly find and solve problems. It scales them so that they can be derived either from on-premise, multi-cloud, or both. You now have the ability to use your entire IT stack and analytics to solve any problem, even those that are difficult to find. You can control and manage any technology and application with more than 500 plugins, including SAP, Oracle, Lotus or Citrix, Jboss, VMware, AWS and SQL Server.

Sematext Cloud provides all-in-one observability solutions for modern software-based businesses. It provides key insights into both front-end and back-end performance. Sematext includes infrastructure, synthetic monitoring, transaction tracking, log management, and real user & synthetic monitoring. Sematext provides full-stack visibility for businesses by quickly and easily exposing key performance issues through a single Cloud solution or On-Premise.

Monitor your servers, containers, and applications, in high-resolution and in real-time. Netdata collects metrics per second and presents them in beautiful low-latency dashboards. It is designed to run on all of your physical and virtual servers, cloud deployments, Kubernetes clusters, and edge/IoT devices, to monitor your systems, containers, and applications. It scales nicely from just a single server to thousands of servers, even in complex multi/mixed/hybrid cloud environments, and given enough disk space it can keep your metrics for years. KEY FEATURES: Collects metrics from 800+ integrations Real-Time, Low-Latency, High-Resolution Unsupervised Anomaly Detection Powerful Visualization Out of box Alerts systemd Journal Logs Explorer Low Maintenance Open and Extensible Troubleshoot slowdowns and anomalies in your infrastructure with thousands of per-second metrics, meaningful visualisations, and insightful health alarms with zero configuration. Netdata is different. Real-Time data collection and visualization. Infinite scalability baked into its design. Flexible and extremely modular. Immediately available for troubleshooting, requiring zero prior knowledge and preparation.

Better Stack is an eBPF-based, AI SRE observability tool that helps you ship high-quality software faster. Monitor everything from websites to servers. Schedule on-call rotations, get actionable alerts, and resolve incidents faster than ever. Visualize your entire stack, aggregate all your logs into structured data, and query everything like a single database with SQL. Made to fit into your workflow with over 100+ integrations. Seamlessly integrates into your workflow with 100+ integrations.

Datadog is the cloud-age monitoring, security, and analytics platform for developers, IT operation teams, security engineers, and business users. Our SaaS platform integrates monitoring of infrastructure, application performance monitoring, and log management to provide unified and real-time monitoring of all our customers' technology stacks. Datadog is used by companies of all sizes and in many industries to enable digital transformation, cloud migration, collaboration among development, operations and security teams, accelerate time-to-market for applications, reduce the time it takes to solve problems, secure applications and infrastructure and understand user behavior to track key business metrics.

A Centralized Windows Event Log Management Software Tool for Enterprises. A Centralized Log Consolidator. A real-time Windows Event Log, Syslog, and Application Log Monitor software tool. A Log Analyzer Tool. A Windows Syslog Server. An Azure Active Directory Auditing Software Software Tool. Compliance Reporting Software for JSIG, NIST, CJIS PCI/DSS. HIPAA, SOX. GDPR, CIS Microsoft 365 Security & Compliance and more. 80+ pre-built reports. A Windows Event Log Viewer that is enhanced with advanced search and filtering capabilities. Windows Event Logs, Syslogs and text-based Application Logs on Windows, Linux and the cloud-based Azure Active Directory Audit Logs are supported. Log entries can be saved to a local or remote log repository once they have been harvested. Event Log Manager offers 5 methods to centralize log entries, including MySQL, Microsoft SQL Server and elasiticsearch.

The Dynatrace software intelligence platform revolutionizes the way organizations operate by offering a unique combination of observability, automation, and intelligence all within a single framework. Say goodbye to cumbersome toolkits and embrace a unified platform that enhances automation across your dynamic multicloud environments while facilitating collaboration among various teams. This platform fosters synergy between business, development, and operations through a comprehensive array of tailored use cases centralized in one location. It enables you to effectively manage and integrate even the most intricate multicloud scenarios, boasting seamless compatibility with all leading cloud platforms and technologies. Gain an expansive understanding of your environment that encompasses metrics, logs, and traces, complemented by a detailed topological model that includes distributed tracing, code-level insights, entity relationships, and user experience data—all presented in context. By integrating Dynatrace’s open API into your current ecosystem, you can streamline automation across all aspects, from development and deployment to cloud operations and business workflows, ultimately leading to increased efficiency and innovation. This cohesive approach not only simplifies management but also drives measurable improvements in performance and responsiveness across the board.

SaaS-based Observability is designed to enhance oversight across cloud-native, on-premises, and hybrid technology environments. SolarWinds Observability SaaS provides an integrated and in-depth view of both cloud-native and on-premises applications, whether they are custom-built or commercially available, ensuring that service levels are maintained and user satisfaction is prioritized for essential business services. It facilitates comprehensive troubleshooting for both internal and commercial applications by offering unified code-level diagnostics through transaction tracing, code profiling, and exception tracking, coupled with insights from end-user experiences gathered via synthetic and real user monitoring. Additionally, the platform includes advanced database performance monitoring, which boosts system efficiency, enhances team productivity, and leads to infrastructure cost reductions, by delivering complete visibility into various open-source databases such as MySQL®, PostgreSQL®, MongoDB®, Azure® SQL, Amazon Aurora®, and Redis®. This holistic approach ensures that organizations can effectively manage their technology stacks, ultimately leading to improved operational outcomes.

Sumo Logic, Inc. helps make the digital world secure, fast, and reliable by unifying critical security and operational data through its Intelligent Operations Platform. Built to address the increasing complexity of modern cybersecurity and cloud operations challenges, we empower digital teams to move from reaction to readiness—combining agentic AI-powered SIEM and log analytics into a single platform to detect, investigate, and resolve modern challenges. Customers around the world rely on Sumo Logic for trusted insights to protect against security threats, ensure reliability, and gain powerful insights into their digital environments.

Checkmk is an IT monitoring system that allows system administrators, IT managers and DevOps teams, to quickly identify and resolve issues across their entire IT infrastructure (servers and applications, networks, storage and databases, containers, etc. Checkmk is used daily by more than 2,000 commercial customers worldwide and many other open-source users. Key product features * Service state monitoring with nearly 2,000 checks 'outside the box' * Event-based and log-based monitoring * Metrics, dynamic Graphing, and Long-Term Storage * Comprehensive reporting incl. Accessibility and SLAs * Flexible notifications and automated alert handling * Monitoring business processes and complex systems * Software and hardware inventory * Graphical, rule-based configuration and automated service discovery These are the top use cases * Server Monitoring * Network Monitoring * Application Monitoring * Database Monitoring * Storage Monitoring * Cloud Monitoring * Container Monitoring

WebSitePulse allows you to monitor your web assets remotely and independently. Uptime monitoring, website monitoring and server monitoring are some of the most popular services.

Developers can track errors and monitor performance to see what is important, find faster solutions, and continuously learn about their applications, from the frontend to backend. Sentry's performance monitoring can help you trace performance issues down to slow database queries and poorly performing api calls. Sentry's application performance monitoring is enhanced by stack traces. Identify performance issues quickly before they cause downtime. To see the entire distributed trace from end to end, you can identify the API call that is not performing well and highlight any errors. Breadcrumbs help you make application development easier by showing you the events that led to the error.

LogPoint provides a simple and quick security analytics implementation. It also offers a user-friendly interface which can be integrated with any IT infrastructure. LogPoint's modern SIEM and UEBA offers advanced analytics and ML driven automation capabilities that enable customers to secure build-, manage and transform their businesses. This allows for lower costs to deploy a SIEM solution either on-premise or in the cloud. The solution can be integrated with all devices on your network to provide a comprehensive and correlated overview over events in your IT infrastructure. LogPoint's Modern SIEM software translates all data into a common language that allows you to compare events across different systems. A common language makes it easy to search, analyze, and report on data.

SolarWinds®, Loggly®, is a cost-effective, hosted and scalable multi-source log management system that combines powerful search and analytics with extensive alerting, dashboarding and reporting to help you identify potential problems and reduce Mean Time to Fix (MTTR). LOGGLY AT A GLANCE >> Full-stack log aggregation, log monitoring and data analytics Log analytics provides context and patterns for events, as well as anomalies that can be used to gain deeper insights. >> Highly scalable to ingest large data volumes and enable quick searching across large and complicated environments >> Spot usage patterns with application, service, and infrastructure-aligned historical analysis of user, log, and infrastructure data >> Manage by exception: Identify variations from the norm with powerful log formatting capabilities and analytic search capabilities

VirtualMetric is a comprehensive data monitoring solution that provides organizations with real-time insights into security, network, and server performance. Using its advanced DataStream pipeline, VirtualMetric efficiently collects and processes security logs, reducing the burden on SIEM systems by filtering irrelevant data and enabling faster threat detection. The platform supports a wide range of systems, offering automatic log discovery and transformation across environments. With features like zero data loss and compliance storage, VirtualMetric ensures that organizations can meet security and regulatory requirements while minimizing storage costs and enhancing overall IT operations.

LogicMonitor is the leading SaaS-based, fully-automated observability platform for enterprise IT and managed service providers. Cloud-first and hybrid ready. LogicMonitor helps enterprises and managed service providers gain IT insights through comprehensive visibility into networks, cloud, applications, servers, log data and more within one unified platform. Drive collaboration and efficiency across IT and DevOps teams, in a fully secure, intelligently automated platform. By providing end-to-end observability for enterprise businesses, LogicMonitor connects coders to consumers, customer experience to the cloud, infrastructure to applications and business insights into instant actions. Maximize uptime, optimize end-user experience, predict what comes next, and keep your business fearlessly moving forward.

After a few late-night code fires, we set out to find application performance management tools that would help us stop them. We were able to identify what was wrong, but it didn't tell us why or how to prevent future failures. Retrace was created to do just that. We believe that when our 1300+ customers spend less of their time fighting technology, they spend more time releasing it. This makes the world a better place.

Open source is a passion for engineers. We supercharged the top open-source monitoring tools, including Jaeger, Prometheus and ELK, and combined them into a scalable SaaS platform. You can collect and analyze all your logs, metrics, traces and other data on one platform for end to end monitoring. You can visualize your data using customizable and easy-to-use monitoring dashboards. Logz.io's AI/ML human-coach automatically detects and corrects any errors or exceptions in your logs. Alerting to Slack and PagerDuty, Gmail and other endpoints allows you to quickly respond to new events. Centralize your metrics at any scale on Prometheus-as-a-service. Unified with logs, traces. Just three lines of code are required to add to your Prometheus config file to start forwarding your metrics and data to Logz.io.

CatchJS combines JavaScript error monitoring, web performance tracking, and page visibility reporting into a compact yet efficient solution. You’ll receive alerts whenever your web application encounters an error, along with comprehensive context to facilitate prompt resolutions. Gain insights into how your visitors engage with your site by tracking the duration each page remains visible in their browsers. This will help you create an exceptionally fast user experience. Additionally, monitor web performance indicators like Core Web Vitals to maintain optimal functionality across all your web pages. The CatchJS script enables seamless error tracking and performance oversight directly from users’ browsers, automatically gathering data on uncaught exceptions, performance metrics, and session duration. Impressively, the CatchJS script is up to 20 times smaller than competitor offerings, totaling less than 1.8KB once compressed, ensuring it won’t slow down your site. With its lightweight design and comprehensive features, CatchJS stands as a must-have tool for developers looking to enhance their web applications effectively.

NamLabs Technologies is a software business formed in 2014 in India that publishes a software suite called Atatus. Atatus is a SaaS Software & a unified monitoring solution that includes providing a demo. Atatus is Application Performance Management software, including features such as full transaction diagnostics, performance control, Root-Cause diagnosis, server performance, and trace individual transactions. Our other products include Real-User Monitoring, Synthetic Monitoring, Infrastructure Monitoring, and API Analytics. Guaranteed 24*7 Customer Support.

StatusIQ is a status- and incident communication platform that allows you to communicate with customers in real time via status Pages, emails, and sms. It also lets you showcase the uptime of your IT resources and can be used to communicate with customers about scheduled maintenances and incidents. It is inevitable that there will be downtime. However, it doesn't have to be like this: wasting support agents or providing poor user experiences are not acceptable. Site24x7 StatusIQ makes it easy to communicate service disruptions, planned maintenance and real-time statuses with customers and end users. Proactive communication is a key responsibility in the event of a service disruption. Reliable, dedicated channels that can post updates can deflect support tickets and keep internal stakeholders informed. This can make downtime into an opportunity to improve the customer experience. Communicate early and often. Quickly acknowledge the problem and post the incident to your status page.