| Field |
Internal name |
Type |
Warn |
Crit |
Info |
| Class space used |
metaspace_class_used |
gauge |
|
|
Portion of metaspace used for classes |
| Other metaspace used |
metaspace_used |
gauge |
|
|
Other metaspace used, excluding class space |
| Class space committed |
metaspace_class_committed |
gauge |
|
|
Portion of metaspace committed for classes but not used |
| Other metaspace committed |
metaspace_committed |
gauge |
|
|
Other metaspace committed but not used, excluding class space |
| Class space reserved |
metaspace_class_reserved |
gauge |
|
|
Portion of metaspace reserved for classes but not committed |
| Other metaspace reserved |
metaspace_reserved |
gauge |
|
|
Other metaspace reserved but not committed, excluding class space |
| Young heap |
heap_young |
gauge |
|
|
Young generation region of the heap |
| Survivor heap |
heap_survivor |
gauge |
|
|
Survivor generation region of the heap |
| Other used heap |
heap_used |
gauge |
|
|
Other used heap memory, excluding the young and survivor regions |
| Free heap |
heap_free |
gauge |
|
|
Unused but allocated heap memory |
