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18 lines
879 B
Markdown
18 lines
879 B
Markdown
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## `numastat` collector
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```json
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"numastats": {}
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```
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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>
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Metrics:
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* `numastats_numa_hit`: A process wanted to allocate memory from this node, and succeeded.
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* `numastats_numa_miss`: A process wanted to allocate memory from another node, but ended up with memory from this node.
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* `numastats_numa_foreign`: A process wanted to allocate on this node, but ended up with memory from another node.
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* `numastats_local_node`: A process ran on this node's CPU, and got memory from this node.
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* `numastats_other_node`: A process ran on a different node's CPU, and got memory from this node.
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* `numastats_interleave_hit`: Interleaving wanted to allocate from this node and succeeded.
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