cc-metric-collector/collectors/numastatsMetric.md
brinkcoder 0e57c8db1c
Add derived_values for numastats (#134)
* Check creation of CCMessage in NATS receiver

* add derived_values for numastats

* change to ccMessage

* remove vim command artefact

---------

Co-authored-by: Thomas Roehl <thomas.roehl@fau.de>
Co-authored-by: exterr2f <Robert.Externbrink@rub.de>
Co-authored-by: Thomas Gruber <Thomas.Roehl@googlemail.com>
2025-02-19 11:35:32 +01:00

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Markdown

## `numastat` collector
```json
"numastats": {
"send_abs_values" : true,
"send_derived_values" : true
}
```
The `numastat` collector reads data from `/sys/devices/system/node/node*/numastat` and outputs a handful **memoryDomain** metrics. See: <https://www.kernel.org/doc/html/latest/admin-guide/numastat.html>
Metrics:
* `numastats_numa_hit`: A process wanted to allocate memory from this node, and succeeded.
* `numastats_numa_miss`: A process wanted to allocate memory from another node, but ended up with memory from this node.
* `numastats_numa_foreign`: A process wanted to allocate on this node, but ended up with memory from another node.
* `numastats_local_node`: A process ran on this node's CPU, and got memory from this node.
* `numastats_other_node`: A process ran on a different node's CPU, and got memory from this node.
* `numastats_interleave_hit`: Interleaving wanted to allocate from this node and succeeded.
* `numastats_numa_hit_rate` (if `send_derived_values == true`): Derived rate value per second.
* `numastats_numa_miss_rate` (if `send_derived_values == true`): Derived rate value per second.
* `numastats_numa_foreign_rate` (if `send_derived_values == true`): Derived rate value per second.
* `numastats_local_node_rate` (if `send_derived_values == true`): Derived rate value per second.
* `numastats_other_node_rate` (if `send_derived_values == true`): Derived rate value per second.
* `numastats_interleave_hit_rate` (if `send_derived_values == true`): Derived rate value per second.