GlassFish Enterprise
Manager
Overview
Siraj Ghaffar
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GlassFish Enterprise Manager
• Enhanced monitoring and management of the
server.
• Consists of three major components :
> Performance Advisor
– Static Tuner
– Runtime Tuner
> Performance Monitor
> SNMP
• Delivered as patches from SunSolve
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Sun Confidential: Internal Only

Performance Advisor
• Static Tuner
> Adjust configuration settings in domain.xml based on
specific conditions
• Runtime Tuner/Alerting
> Based on user defined criteria, monitors aspects of
running instances and alerts users or takes
corrective action
• Admin GUI
> Easy to use interface to configure different aspects of
the performance advisor.
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Sun Confidential: Internal Only

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Sun Confidential: Internal Only

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Sun Confidential: Internal Only

Performance Monitor
• Based on VisualVM 1.1 and NetBeans Platform 6.5.
• Major Features
> Monitoring of local and remote Java processes
> Realtime charting of many JVM artifacts such as Heap, CPU,
Threads, Classes, etc. much like JConsole.
> Realtime data collection, processing, and charting of many
GlassFish monitoring artifacts.
– Integrated control of GlassFish monitoring levels.
– Monitoring of HTTP, Web Container, EJB Container, JDBC and JMS
Connections, Web Services, and Thread Pools.
– Monitoring of clustered and standalone instances through DAS.
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Sun Confidential: Internal Only

Performance Monitor Screenshot
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Sun Confidential: Internal Only

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Sun Confidential: Internal Only

SNMP
• Exposes GlassFish monitoring data in SNMP
• Supports standard based MIB: J2EE-MIB
(JSR 77 Specification)
• Supports different modes of monitoring
> Monitor Domain Admin Server (DAS)
> Monitor individual instances directly
> Monitor through Master Agent
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Sun Confidential: Internal Only

SNMP
• Available as a standard Web Module.
> Deploy __assnmp.war
• SNMP data available to any standard SNMP client
> SNMPWalk
• Seamless integration with GlassFish
> Configuration (asadmin, Admin UI)
> Logging (server.log)
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Sun Confidential: Internal Only