8.78 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