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This is an area we're very proud of and really shine - comprehensive monitoring systems to alert us to issues and to repair most problems in real-time, automatically.
Our Metawerx ERAI monitoring software has been developed over 18 years. It comprises of a series of proactive/reactive agents that will either automatically prevent, or repair real problems and perceived problems in real-time. That gives us the time to investigate non-standard issues and respond accordingly.
At the most basic level, your Tomcat/JVM is restarted automatically if a problem is detected. Your users are temporarily redirected to a maintenance page while your JVM restarts. You are alerted by email after the restart, or if there is a problem restarting your JVM. ERAI handles your restart in the most efficient way possible using a number of different methods to detect whether a JVM is capable of handling user requests, and also monitors multiple server health and security areas. Redundant monitors ensure that monitoring itself is never offline.
| Monitoring | All Plans |
| Automatic JVM restart and alert - If your Tomcat stops, is unresponsive, runs out of RAM or has extended high CPU, it will be automatically restarted - We can also monitor for a specific response from your diagnostics page, allowing you to perform database connectivity or other general health checks |
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| Tomcat monitoring - Non-responsive, invalid response, response time, OutOfMemoryException and excessive CPU (infinite loop) detection |
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| Java VM monitoring - Comprehensive java monitoring improved gradually since 1997 - High-CPU detection and alerting (read more ...) - OutOfMemory detection, alerting and automatic JVM restart - Custom HTTP probes - Online JVM activity charts |
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| Physical Server monitoring - Availability, advanced hardware monitoring (physical intrusion, voltages, fan speeds, internal and external temperatures, power redundancy, RAID controller, drives, RAM errors, NICs, cards, CPU errors) |
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| Automatic Full-Server restart - If a server goes down due to a fault, it is automatically powered off and powered back on using our STONITH Power Controllers |
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| Security monitoring - Intrusion detection - Anti-brute-force recording and IP blocking - Anti-port scan IDS (intrusion detection system) - AutoShun and OpenBL blacklist firewall integration - (read more about security ...) |
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| High-CPU monitoring - All processes are CPU monitored to prevent slowdowns of other services - Customer JVM threads running at excessive CPU (eg: infinite loops) are identified and reported automatically - Problem JVMs are automatically restarted, to prevent infinite loops and bad code from affecting your application - (read more about high-CPU alerts and thread detection ...) |
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| Disk space monitoring - Disk space is monitored to prevent data loss and corruption |
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| Disk and Traffic alerts - If you are near your traffic or disk-space limit, or your monthly predicted usage is near your limit, you are alerted |
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| Java App health checks - Weekly alerts advising on configuration errors, excessive logging, excessive exceptions, security exceptions, OutOfMemory exceptions and a range of other common Java issues, or check manually any time from our control panel |
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| SSL Certificate Alerts - Weekly check of your SSL certificate status and expiry date - Daily notification for 7 days if your SSL certificate has expired |
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| Advanced MySQL Monitoring - High CPU monitoring - High disk-load monitoring - Unusually long-running query monitoring, with automatic kill (prevents a single bad query taking out the database) - Unusually long-running transaction monitoring, with automatic kill (prevents deadlocks from failed applications / bad code) - MySQL forensic reporting available for SQL-Injection attacks and human-error or code-error resulting in data-change or data-loss (7 day history) |
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