Describes V8 JS Engine Runtime related attributes.
| Attribute | Type | Description | Examples | Stability |
|---|---|---|---|---|
v8js.gc.type |
string | The type of garbage collection. | major; minor; incremental |
 |
v8js.heap.space.name |
string | The name of the space type of heap memory. [1] | new_space; old_space; code_space |
|
[1] v8js.heap.space.name: Value can be retrieved from value space_name of v8.getHeapSpaceStatistics()
v8js.gc.type has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used.
| Value | Description | Stability |
|---|---|---|
incremental |
Incremental (Incremental Marking). | |
major |
Major (Mark Sweep Compact). | |
minor |
Minor (Scavenge). | |
weakcb |
Weak Callbacks (Process Weak Callbacks). | |
v8js.heap.space.name has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used.
| Value | Description | Stability |
|---|---|---|
code_space |
Code memory space. | |
large_object_space |
Large object memory space. | |
map_space |
Map memory space. | |
new_space |
New memory space. | |
old_space |
Old memory space. | |