Service graphs
Graph Information
This graph shows what the machine uses memory for.
| Field |
Internal name |
Type |
Warn |
Crit |
Info |
| mapped |
mapped |
gauge |
|
|
|
| apps |
apps |
gauge |
|
|
|
| slab_cache |
slab |
gauge |
|
|
Memory used by the kernel (major users are caches like inode, dentry, etc). |
| vmalloc_used |
vmalloc_used |
gauge |
|
|
'VMalloc' (kernel) memory used |
| cache |
cached |
gauge |
|
|
|
| page_tables |
page_tables |
gauge |
|
|
Memory used to map between virtual and physical memory addresses. |
| active |
active |
gauge |
|
|
Memory recently used. Not reclaimed unless absolutely necessary. |
| swap_cache |
swap_cache |
gauge |
|
|
A piece of memory that keeps track of pages that have been fetched from swap but not yet been modified. |
