8.77 V$METRIC

V$METRIC displays the most recent statistic values for the complete set of metrics captured by the Automatic Workload Repository (AWR) infrastructure.

Column Datatype Description

BEGIN_TIME

DATE

Begin time of the interval

END_TIME

DATE

End time of the interval

INTSIZE_CSEC

NUMBER

Interval size (in hundredths of a second)

GROUP_ID

NUMBER

Metric Group ID. Refer to the V$METRICNAME view for the name of the group.

ENTITY_ID

NUMBER

Entity ID for the metric in question. The value of the Entity ID depends upon the metric group. (See the following table for an explanation of possible values.)

ENTITY_SEQUENCE

NUMBER

Entity Sequence number for the metric in question. The value of the Entity Sequence depends upon the metric group. (See the following table for an explanation of possible values.)

METRIC_ID

NUMBER

Metric ID

METRIC_NAME

VARCHAR2(64)

Metric Name. This is the statistic that is captured for the entity.

VALUE

NUMBER

Value of the statistic between BEGIN_TIME and END_TIME

METRIC_UNIT

VARCHAR2(64)

Unit for the VALUE

CON_ID

NUMBER

The ID of the container to which the data pertains. Possible values include:

  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data

The following table describes what the ENTITY_ID and ENTITY_SEQUENCE are for each metric group:

GID Group NAME Entity ID Entity Sequence

0

Event Metrics

Event#

N/A

1

Event Class Metrics

Wait Class ID

N/A

2

System Metrics Long Duration

N/A

N/A

3

System Metrics Short Duration

N/A

N/A

4

Session Metrics Long Duration

Session ID

Serial#

5

Session Metrics Short Duration

Session ID

Serial#

6

Service Metrics

N/A

Service Hash

7

File Metrics Long Duration

File#

Creation Change#

9

Tablespace Metrics Long Duration

Tablespace#

N/A

10

Service Metrics (Short)

N/A

Service Hash