Streams Apply - (%)Spilled Messages

Description

Apply Queue spilling usually indicates that transactions are staying longer in memory.

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

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

Every 5 Minutes

After Every Sample

>

60

80

1

Spilled messages for Apply process [%APPLY_NAME%] queue is %value% percent.

Multiple Thresholds

For this metric you can set different warning and critical threshold values for each "Apply Name" object.

If warning or critical threshold values are currently set for any "Apply Name" object, those thresholds can be viewed on the Metric Detail page for this metric.

To specify or change warning or critical threshold values for each "Apply Name" object, use the Edit Thresholds page. See Editing Thresholds for information on accessing the Edit Thresholds page.

Data Source

Target database, gv$buffered_queues, gv$buffered_subscribers tables

User Action

Either increase Streams Pool size and/or increase Apply Parallelism to speed up Apply processing.

Related Topics

About Alerts

About the Metric Detail Page

Editing Thresholds

Understanding Line Charts