Database Load Hourly
Hourly summary of the CPU and IO metrics collected at the database instance.
Table 17-10 Database CPU and IO Hourly
| Field Name | Name | Column Type | Column Category | Description |
|---|---|---|---|---|
| ROLLUP_TIME_UTC | Rollup time (UTC) | TIMESTAMP | TIME_DIMENSION | End timestamp of the rollup period (UTC) |
| HOUR_OF_DAY | Collection hour of day | VARCHAR2 | DIMENSION | Collection hour in hourly range 0-23 |
| OPSI_ID | Database insight OCID | VARCHAR2 | DIMENSION | Database insight resource OCID |
| EXADATA_DISPLAY_NAME | Exadata insight resource ID | VARCHAR2 | DIMENSION | Display name of the Exadata system to which the database is attached (if applicable) |
| EXADATA_ID | Exadata insight resource ID | VARCHAR2 | DIMENSION | ID of the Exadata system to which the database is attached (if applicable) |
| VMCLUSTER_ID | Exadata VM cluster ID | VARCHAR2 | DIMENSION | Exadata VM cluster ID (if applicable) |
| VMCLUSTER_NAME | Exadata VM cluster name | VARCHAR2 | DIMENSION | Exadata VM cluster name (if applicable) |
| ASSOCIATED_RESOURCE_ID | Associated resource identifier | VARCHAR2 | DIMENSION | OCID of the related OCI resource |
| SOURCE_IDENTIFIER | Telemetry source identifier | VARCHAR2 | DIMENSION | Enterprise Manager GUID or Management Agent OCID (identifier for where the telemetry is being collected) |
| SOURCE_ENTITY_IDENTIFIER | Telemetry source entity identifier | VARCHAR2 | DIMENSION | Enterprise Manager target GUID |
| ENTITY_SOURCE | Entity source | VARCHAR2 | DIMENSION | Source type of the entity, acceptable values are: AUTONOMOUS_DATABASE, MACS_MANAGED_EXTERNAL_DATABASE and EM_MANAGED_EXTERNAL_DATABASE |
| DB_NAME | Database Name | VARCHAR2 | DIMENSION | Name of the database |
| DB_DISPLAY_NAME | Database display name | VARCHAR2 | DIMENSION | Display name of the database |
| CDB_NAME | CDB name | VARCHAR2 | DIMENSION | Name of the container for the database |
| DB_VERSION | Database version | VARCHAR2 | DIMENSION | Version of the database |
| HOST_NAME | Host name | VARCHAR2 | DIMENSION | Name of the host on which the database instance is deployed |
| INSTANCE_NAME | Deployed Database instance name | VARCHAR2 | DIMENSION | Name of the deployed database instance |
| CPU_TIME | Background CPU usage (secs/sec) | NUMBER | METRIC | Average rate of accumulation of CPU time by foreground sessions in the database over the time interval |
| CPU_TIME_MAX | Maximum (hourly) background CPU usage (secs/sec) | NUMBER | METRIC | Maximum (hourly) average rate of accumulation of CPU time by foreground sessions in the database over the time interval |
| CPU_CAPACITY | Allocated Host CPUs | NUMBER | DIMENSION | Total number of CPUs on the database instance's host (if applicable) |
| CPU_ALLOCATED | CPUs allocated | NUMBER | DIMENSION | Total number of CPUs allocated to the database instance (if applicable) |
| MAX_CPU_ALLOCATED | Maximum CPUs allocated | NUMBER | DIMENSION | Total number of CPUs allocated to the host for autonomous databases when auto-scaling feature is enabled, only applicable for autonomous databases |
| CPU_AUTO_SCALING | Auto scaling enabled/disabled | VARCHAR2 | DIMENSION | Indicate the auto scaling status (enabled/disabled) for the autonomous database |
| CPU_UTILIZATION | CPU utilization (%) | NUMBER | METRIC | Activity level from CPU, expressed as a percentage of total time |
| CPU_UTILIZATION_MAX | Maximum (hourly) CPU utilization (%) | NUMBER | METRIC | Maximum (hourly) activity level from CPU, expressed as a percentage of total time |
| WRITE_IO_MBPS | Write IO per second (MB/sec) | NUMBER | METRIC | Number of IO (in megabytes) per second to the deployed database instance |
| WRITE_IO_MBPS_MAX | Maximum (hourly) write IO per second (MB/sec) | NUMBER | METRIC | Maximum (hourly) number of IO (in megabytes) per second to the deployed database instance |
| READ_IO_MBPS | Read IO per second (MB/sec) | NUMBER | METRIC | Number of IO (in megabytes) per second from the deployed database instance |
| READ_IO_MBPS_MAX | Maximum (hourly) read IO per second (MB/sec) | NUMBER | METRIC | Maximum (hourly) number of IO (in megabytes) per second from the deployed database instance |
| IO_USAGE | Read and write IO per second (MB/sec) | NUMBER | METRIC | Number of IO (in megabytes) per second to and from the deployed database instance |
| IO_USAGE_MAX | Read and write IO per second (MB/sec) | NUMBER | METRIC | Maximum (hourly) number of IO (in megabytes) per second to and from the deployed database instance |
| ROLLBACKS_PER_SECOND | Rollbacks per second | NUMBER | METRIC | Number of times per second, that users manually issue the ROLLBACK statement or an error occurred during a user's transactions |
| ROLLBACKS_PER_SECOND_MAX | Maximum (hourly) rollbacks per second | NUMBER | METRIC | Maximum (hourly) number of times per second, that users manually issue the ROLLBACK statement or an error occurred during a user's transactions |
| EXECUTIONS_COUNT | SQL execution count | NUMBER | METRIC | Total number of calls (user and recursive) that execute SQL statements |
| TRANSACTIONS_COUNT | Commits and rollbacks count | NUMBER | METRIC | Total number of commits and rollbacks performed |
| HARD_PARSES | Hard parses per second | NUMBER | METRIC | Number of hard parses per second |
| HARD_PARSES_MAX | Maximum (hourly) hard parses per second | NUMBER | METRIC | Maximum (hourly) number of hard parses per second |
| SOFT_PARSES | Soft parses per second | NUMBER | METRIC | Number of soft parses per second |
| SOFT_PARSES_MAX | Maximum (hourly) soft parses per second | NUMBER | METRIC | Maximum (hourly) number of soft parses per second |