Coherence monitoring 101

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© 2015 SL Corporation. All Rights Reserved. 1

Coherence Monitoring 101 Everett Williams Senior Director of Technology March 3rd 2015



Agenda

• Introduction • Business Value of Monitoring • Preparing Coherence to be Monitored. • Understanding Cluster Stability • Understanding Cache Utilization




SL – who we are

• 1983: Founded in SF Bay Area to provide visualization of complex, mission-critical systems (SL-GMS®)

• Evolution: industry leaders in monitoring and visualization of enterprise applications, middleware and cloud

• Today: extensive portfolio of Fortune 1000 customers who depend on SL solutions for real-time, end-to-end visibility



Enterprise Monitor Coherence Support

• Tangosol partnership 2006 • RTView Oracle Coherence Monitor 2007 • RTView Oracle Coherence Viewer 2008 • Specialty in monitoring large and/or complex Coherence

implementations



Business Value of Monitoring

• Higher Customer Satisfaction • Maximizing Technology Investments. • Improved Technology Risk Management. • Reduced outages • Faster Mean Time to Repair



Monitoring Features. • Health monitoring (alerting) • Scalability • Event Analysis • Bottleneck Analysis • Capacity Analysis • Usage and performance Analysis • Task Analysis (threads) • Client Analysis (proxy) • Tuning Analysis (JVM GC). • Coherence Optimized JMX Data Collection • Coherence Optimized Data Visualization



Coherence Monitoring Components

• Coherence Management Service • Java Management Extensions (JMX) • SL RTView Oracle Coherence Monitor



Coherence Monitoring Architecture

JMX RTView Dataserver

RDBMS

RTView DisplayServer

Coherence

JMX

Coherence

RTView Dataserver



Coherence Monitoring Architecture

SN

JMX RTView Dataserver

RDBMS

RTView DisplayServer

Coherence

JMX

Coherence

RTView Dataserver



Enabling JMX within Coherence

• cache-server –jmx Or • -Dcom.sun.management.jmxremote

-Dcom.sun.management.jmxremote.port=9099 -Dtangosol.coherence.management=all -Dtangosol.coherence.management.remote=true And • -Dtangosol.coherence.management.remote=true http://docs.oracle.com/cd/E18686_01/coh.37/e18682/jmx.htm#COHMG239



Coherence Stability

• TCMP

• Memory

• Thread Backlog



Coherence Utilization

• Gets/Puts • Tasks/Requests • Proxy Clients



Demo



Question



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Coherence monitoring 101

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