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Fleet monitoring: sysstat 28d + perfsnap/PSI/iotop timers + on-demand toolbox container (#826)
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- monitoring/node-install.sh: idempotent per-node installer (sar HISTORY=28,
  three oneshot timers, per-node conf with qemu.slice/lxc cgroup globs)
- monitoring/collectors + systemd units: iotop-snap 15min, perfsnap 60s,
  psi-textfile 15s (now sources /etc/knelperf/perfsnap.conf; multi-glob)
- monitoring/toolbox: pct LXC (vmid 950, privileged, apparmor unconfined,
  stopped at rest) + knelperf-toolbox wrapper + Dockerfile variant
- monitoring/deploy-fleet.sh: workstation-side rollout driver
- piloted on pfv-tsys1: per-VM PSI gauges verified live

Redmine: https://projects.knownelement.com/issues/826
This commit is contained in:
ic-builder
2026-09-06 18:50:07 -05:00
parent f1729868fa
commit 3680f1dba1
16 changed files with 407 additions and 1 deletions
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monitoring/systemd/knelperf-iotop-snap.service
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[Unit]
Description=KNELPerf iotop snapshot (3x2s active-I/O samples)
[Service]
Type=oneshot
ExecStart=/usr/local/sbin/knelperf-iotop-snap.sh
IOSchedulingClass=idle