vminitd: Add memory threshold monitoring #427
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Add a small bit of logic to monitor if vminitd goes over a (somewhat arbitrary) memory threshold. On average, when running one container it seems to hover around 25MiB, so this is mostly to catch cases where it's exceeding a limit we don't deem normal.
jglogan
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Nov 21, 2025
richardkiene
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Dec 1, 2025
Sync with Apple's containerization repo (57 commits behind). Notable upstream changes: - LinuxContainer: "Harden" stop (apple#388) - OCI runtime support (apple#416) - Memory threshold monitoring (apple#427) - FileHandle option for serial console (apple#410) - Keep reference to vended execs (apple#408) - Sync(2) on shutdown (apple#400) - Fix ImageStore.prune() behavior (apple#420) - Various stability improvements Resolved conflicts: - LinuxContainer.swift: Merged bootLog type change with our useNetworkNamespace - Application.swift: Kept our service startup code (removed old log line per upstream) - Server+GRPC.swift: Used upstream's async ManagedContainer, kept our DNS comment
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Add a small bit of logic to monitor if vminitd goes over a (somewhat arbitrary) memory threshold. On average, when running one container it seems to hover around 25MiB, so this is mostly to catch cases where it's exceeding a limit we don't deem normal.