Service graphs
Graph Information
This graph shows the usage of the kernel Huge Pages.
| Field |
Internal name |
Type |
Warn |
Crit |
Info |
| total |
Total |
gauge |
|
|
Size of pool of hugepages ('nr_hugepages') |
| reserved |
Rsvd |
gauge |
|
|
Huge Pages that have been reserved but are not used. |
| free |
Free |
gauge |
|
|
Unallocated Huge Page Memory. |
| surplus |
Surp |
gauge |
|
|
Number of hugepages > nr_hugepages, as decided by nr_overcommit_hugepages or when the amount of Huge Pages is reduced while they are in use. |
| transparent |
Anon |
gauge |
|
|
Huge Pages that are in use by the transparent Huge Page allocator khugepaged. |
| shmem |
Shmem |
gauge |
|
|
Memory used by shared memory (shmem) and tmpfs(5) allocated with huge pages. |
| file |
File |
gauge |
|
|
Memory used for filesystem data (page cache) allocated with huge pages. |
