GlassFish Servers

Introduction:

This section is common to all the editions of IT360, as per the below constraints;

Monitored Parameters:

GlassFish servers are monitored, based on the attributes, such as memory, thread, etc. The monitoring details of GlassFish server are represented graphically, which helps to understand the parameters, with ease. You can also configure thresholds to the attributes, monitored by the server, based on these details.

Availability tab, gives the Availability history for the past 24 hours or 30 days. Performance tab gives the Health Status and events for the past 24 hours or 30 days. List view enables you to perform Bulk admin configurations. Click on the individual monitors listed in the IT360 console, to view the following information;

Parameter

Description

Monitor Information

Name

The Name of the Serve.r

Availability Shows the current status of the server - Available or not Available.

Last Polled at

Specifies the time when the monitoring of the server was recently done.

Next Poll at Specifies the next polling time for monitoring the serve.r

Response Time

Refers to time required for the Glass Fish server to respond, while monitoring.

Memory Details

Used Memory

Refers to JVM heap used in KB

Total Memory

Refers to the JVM total heap size

Thread Details

Thread Count

Total number of Threads in JVM in which GlassFish is running.

Running Refers to the state of totals thread that are in runnable state in the JVM.
Waiting Refers to the total no. of threads that are waiting for a monitor lock in the JVM.

Blocking

Refers to no. of total threads that are blocked waiting for a monitor lock.

Deadlocked Refers to the no. of total threads that are blocked forever in the JVM.

Timed Waiting

Refers the total threads that are waiting for another thread to perform.
An action for up to a specified waiting time.

Table WebApp Monitoring

Name

Name of the Web Application.

Session High Count Maximum number of concurrently active sessions.

Session Current Count

List of currently active sessions in the Web Application.

Total Sessions Rejected

Total number of rejected sessions.

See Also:

Creating New Monitor - GlassFish Server



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