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Mesa DescriptionTL;DRIntroduced the ability to stop and start virtual machine instances, expanding beyond the existing standby and restore functionality. Why we made these changesCurrently, we only allowed for standby + restore, this allows for stopping and starting a VM. What changed?
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Performed full review of 57d7ce7...ca508e1
Analysis
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Network Resource Management Risk: The start operation's error handling for network cleanup needs attention, with a potential bug in start.go where failed GetAllocation after successful RecreateAllocation could leak TAP devices.
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Incomplete Graceful Shutdown: Currently uses
shutdownVMMwhich forcefully kills the VMM process instead of allowing applications to clean up properly. The planned vsock signaling implementation should be prioritized for production workloads. -
Edge Case Testing Gaps: While comprehensive integration testing exists, there's a lack of tests for important edge cases like concurrent stop/start operations, stopping during startup, and network failure scenarios.
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Documentation Deficiency: Missing clear documentation on the differences between stop/start vs standby/restore functionality (e.g., stop clears all runtime state while standby preserves memory).
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✱ Stainless preview buildsThis PR will update the ✅ hypeman-go studio · code
⚡ hypeman-cli studio · conflict
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Currently, we only allowed for standby + restore, this allows for stopping and starting a VM.