Advanced Oracle Coherence Monitoring with RTView OCM 6.0

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SL Corporation is taking visibility into Oracle Coherence to the next level with version 6.0 of their highly regarded RTView Oracle Coherence Monitor (OCM). RTView OCM 6.0 provides new analytics to understand and alert on Coherence cluster configuration, activity, performance, resource usage and load balancing for proxy connections, database persistence, and other key aspects of the grid.

Everett Williams, Senior Technology Director at SL Corporation gave a deep-dive demo of the new features of RTView OCM 6.0.

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  • We’ll talk about the history of our Coherence Monitor over the last six years and the changes we have seen in how customers use and monitor Coherence.Often when customers install our monitor for evaluation they immediately see that something is wrong in their test or dev environment..often it’s a configuration error. When we ask..how did you know, they say..it was obvious. We will show you some examples of how our rich visual analytics can make some problems obvious..But for the production environment you will be relying on alerts. We’ll give you our list of 8 must have alerts from the OCM. We don’t have time to talk in detail about all 8 alerts in this webinar so we have picked 4.We will be omitting discussion on the proxy service, proxy nodes and proxy client connections. We decided that we need at least 20 minutes to do justice to this subject so we will be scheduling a webinar exclusively on this topic in May or June. We have some new debugging displays in 6.0 to show and tell. Please let us know if you are interested in this topic.We will finish by telling you a little more about SL Corp.
  • Advanced Oracle Coherence Monitoring with RTView OCM 6.0

    1. 1. © 2012 SL Corporation. All Rights Reserved.© 2013 SL Corporation. All Rights Reserved.1Advanced Coherence MonitoringWith RTView Oracle Coherence Monitor (OCM) 6.0
    2. 2. © 2012 SL Corporation. All Rights Reserved.© 2013 SL Corporation. All Rights Reserved.2Speakers & Agenda• Everett Williams, Senior Technology Director, SL Corporation• Marie Hoch, Director of Sales, SL CorporationAgenda• RTView Oracle Coherence Monitor History• We suggest these eight OCM alerts for every cluster• Deep dive discussion of four alerts• Event management in RTView OCM—high level overview• Q&A• Feedback on other OCM webinar topics
    3. 3. © 2012 SL Corporation. All Rights Reserved.© 2013 SL Corporation. All Rights Reserved.3• OCM 6.0.0 released April 2013• Six years since SL released OCM 1.0• Coherence has changed, customer needs havechanged, the monitor supports more types of usersRTView Oracle Coherence Monitor History
    4. 4. © 2012 SL Corporation. All Rights Reserved.© 2013 SL Corporation. All Rights Reserved.5EIGHT Suggested Alertsfor Monitoring Most Coherence Clusters• Departed Node*• Bad Communication Cluster• Low Available Memory after Garbage Collection*• High GC Duty Cycle• Store Failures*• High Task Backlog• High JMX Processing Time*• No JMX Connection
    5. 5. © 2012 SL Corporation. All Rights Reserved.© 2013 SL Corporation. All Rights Reserved.6Departed Node• OcDepartedNode and OcDepartedNodePercentage• Why is this one important?• What could happen?• How to troubleshoot?• DepartedNode or DepartedNodePercentage or both?• What threshold? What Duration?―Someone’s always gotta die…. Mark Falco, Oracle
    6. 6. © 2012 SL Corporation. All Rights Reserved.© 2013 SL Corporation. All Rights Reserved.7Post Garbage Collection Memory• OcMemoryUsedPercentageAfterGC• Why has everyone been asking for this?• What conditions can it detect?• How to troubleshoot?• Other GC alerts in the OCM (GC Durations and GC DutyCycle)
    7. 7. © 2012 SL Corporation. All Rights Reserved.© 2013 SL Corporation. All Rights Reserved.8Store Failures – Data Persistence• OcStoreFailures• What conditions can it detect?• Why could happen ?• How to troubleshoot?• Understanding other database persistence metrics inCoherence ( store reads, store writes, write queues)• Warning and alarm thresholds? Duration?Coherence doesn’t know if your database is up or down.
    8. 8. © 2012 SL Corporation. All Rights Reserved.© 2013 SL Corporation. All Rights Reserved.9High JMX Processing Time• OcJMXProcessingTime• What is it? Why should you care?• How does the Coherence Management Service Work?• Why is it important?• What conditions will trigger it?• How to troubleshoot?• What threshold should you set?
    9. 9. © 2012 SL Corporation. All Rights Reserved.© 2013 SL Corporation. All Rights Reserved.10Alerting in RTView Oracle Coherence Monitor• Configuring alerts and thresholds• OCM event console• Automating alert actions, sending event to other eventconsoles, sending emails
    10. 10. © 2012 SL Corporation. All Rights Reserved.© 2013 SL Corporation. All Rights Reserved.11Questions and DiscussionSuggestion: Give us a sample Coherence problem you would like totroubleshoot or monitor. Everett will walk you through where to lookin the monitor, what alerts to configure to detect it.• Your comments on these webinar topics:– Proxy clients, proxy connections new 6.0 features deep dive– OCM 6.0.0 upgrade for current customers– Centralized console for Coherence clusters and applications:RTView Enterprise Monitor and OCM 6.0Thank you for attending our webinar!!

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