Host CPU and Memory Hourly
Hourly summary of the CPU and memory metrics collected at the host.
Table 16-21 Host CPU and Memory Daily
| 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 OCI |
| EXADATA_DISPLAY_NAME | Exadata insight resource display name | VARCHAR2 | DIMENSION | Display name of the Exadata system to which the host is attached (if applicable) |
| EXADATA_ID | Exadata insight resource ID | VARCHAR2 | DIMENSION | ID of the exadata system to which the host 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 for the cell |
| HOST_NAME | Host Name | VARCHAR2 | DIMENSION | Name of the host |
| HOST_DISPLAY_NAME | Host display name | VARCHAR2 | DIMENSION | Display name of the host |
| HOST_TYPE | Host type | VARCHAR2 | DIMENSION | Type of the host |
| PLATFORM_TYPE | Platform type | VARCHAR2 | DIMENSION | Type of platform currently running on the host |
| CPU_USAGE | CPU usage (sec) | NUMBER | METRIC | Total CPU time spent across all CPUs |
| CPU_USAGE_MAX | Maximum (hourly) CPU usage (sec) | NUMBER | METRIC | Maximum (hourly) total CPU time spent across all CPUs |
| CPU_UTILIZATION | CPU utilization (%) | NUMBER | METRIC | Percentage of total CPU time spent across all CPUs |
| CPU_UTILIZATION_MAX | Maximum (hourly) CPU utilization (%) | NUMBER | METRIC | Maximum (hourly) percentage of total CPU time spent across all CPUs |
| CPUS_ALLOCATED | CPUs allocated | NUMBER | DIMENSION | Total number of CPUs on the system |
| MEMORY_USED | Memory used (GB) | NUMBER | METRIC | Total memory (in gigabytes) used on the host |
| MEMORY_USED_MAX | Maximum (hourly) memory used (GB) | NUMBER | METRIC | Maximum (hourly) memory (in gigabytes) used on the host |
| FREE_MEMORY | Free memory (GB) | NUMBER | METRIC | Total memory (in gigabytes) not in use on the host |
| FREE_MEMORY_MAX | Maximum (hourly) free memory (GB) | NUMBER | METRIC | Maximum (hourly) memory (in gigabytes) not in use on the host |
| MEMORY_UTIL | Host memory utilization (%) | NUMBER | METRIC | Percentage of memory utilized on the host |
| MEMORY_UTIL_MAX | Maximum (hourly) host memory utilization (%) | NUMBER | METRIC | Maximum (hourly) percentage of memory utilized on the host |
| LOGICAL_MEMORY_USED | Logical memory used (GB) | NUMBER | METRIC | Memory used (in gigabytes) excluding buffers and cache |
| LOGICAL_MEMORY_USED_MAX | Maximum (hourly) logical memory used (GB) | NUMBER | METRIC | Maximum (hourly) memory used (in gigabytes) excluding buffers and cache |
| FREE_LOGICAL_MEMORY | Free logical memory (GB) | NUMBER | METRIC | Free memory (in gigabytes) excluding buffers and cache |
| FREE_LOGICAL_MEMORY_MAX | Maximum (hourly) free logical memory (GB) | NUMBER | METRIC | Maximum (hourly) free memory (in gigabytes) excluding buffers and cache |
| LOGICAL_MEMORY_UTIL | Host logical memory utilization (%) | NUMBER | METRIC | Percentage of logical memory utilized on the host |
| LOGICAL_MEMORY_UTIL_MAX | Maximum (hourly) host logical memory utilization (%) | NUMBER | METRIC | Maximum (hourly) percentage of logical memory utilized on the host |
| MEMORY_ALLOCATED | Host allocated memory (GB) | NUMBER | DIMENSION | Total amount of usable physical RAM available to the host |
| HUGEPAGES_FREE | Free huge pages | NUMBER | METRIC | Total number of hugepages available for the system. This statistic only appears on the x86, Itanium, and AMD64 architectures |
| HUGEPAGES_RESERVED | Reserved huge pages | NUMBER | METRIC | Number of unused huge pages reserved for hugetlbfs |
| HUGEPAGE_SIZE | Hugepage size | NUMBER | METRIC | Size for each hugepage's unit (in kibibytes). By default, the value is 4096 KB on uniprocessor kernels for 32 bit architectures. For SMP, hugemem kernels, and AMD64, the default is 2048 KB. For Itanium architectures, the default is 262144 KB. This statistic only appears on the x86, Itanium, and AMD64 architectures. |
| HUGEPAGES_TOTAL | Total huge pages | NUMBER | METRIC | Total number of hugepages for the system. The number is derived by dividing Hugepagesize by the megabytes set aside for hugepages specified in /proc/sys/vm/hugetlb_pool. This statistic only appears on the x86, Itanium, and AMD64 architectures. |