Monitor
https://www.kernel.org/doc/html/latest/admin-guide/numastat.html
/sys/devices/system/node/node*/numastat
In more detail:
numa_hit | A process wanted to allocate memory from this node, and succeeded. |
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numa_miss | A process wanted to allocate memory from another node, but ended up with memory from this node. |
numa_foreign | A process wanted to allocate on this node, but ended up with memory from another node. |
local_node | A process ran on this node’s CPU, and got memory from this node. |
other_node | A process ran on a different node’s CPU and got memory from this node. |
interleave_hit | Interleaving wanted to allocate from this node and succeeded. |