docs: set KillMode=process on the dstack-vmm systemd unit#3463
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barakeinav1 wants to merge 1 commit into
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docs: set KillMode=process on the dstack-vmm systemd unit#3463barakeinav1 wants to merge 1 commit into
KillMode=process on the dstack-vmm systemd unit#3463barakeinav1 wants to merge 1 commit into
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Without KillMode=process the unit defaults to control-group, so restarting dstack-vmm (e.g. needrestart after an unattended-upgrades run) SIGTERMs every qemu CVM in the cgroup and takes all co-located nodes down at once. KillMode=process stops only the daemon, leaving running CVMs alive across a daemon restart. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Closes #3462
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KillMode=processis verified on a test host to leave running CVMs alive and let the restarted daemon re-adopt them (see #3462 acceptance criteria).