Java Pool Free (%)

Description

This metric represents the percentage of the Java Pool that is currently marked as free.

Metric Summary

The rest of the information in this section is only valid for this metric when it appears in either the Enterprise Manager Grid Control or the Enterprise Manager Database Control (if applicable).

The following table shows how often the metric's value is collected and compared against the default thresholds. The 'Consecutive Number of Occurrences Preceding Notification' column indicates the consecutive number of times the comparison against thresholds should hold TRUE before an alert is generated.

Target Version

Evaluation and Collection Frequency

Upload Frequency

Operator

Default Warning Threshold

Default Critical Threshold

Consecutive Number of Occurrences Preceding Notification

Alert Text

pre-10g

Every 15 Minutes

After Every Sample

<

Not Defined

Not Defined

2

%value%%% of the Java pool is free.

10.1.0.x; 10.2.0.x; 11.1.0.x; 11.2.0.x

Not Defined

After Every Sample

<

Not Defined

Not Defined

2

%value%%% of the Java pool is free.

Data Source

((Free/Total)*100) where:

User Action

If this pool size is too small, the database JVM (Java Virtual Machine) may not have sufficient memory to satisfy future calls, leading potentially to unexpected database request failures.

Related Topics

About Alerts

About the Metric Detail Page

Editing Thresholds

Understanding Line Charts