ultix perf/ops workbench: complete 2026-08-31 optimization pass for VM 5111

Everything for the ultix-streaming (VM 5111, pfv-tsys5) performance pass: full report + host audit results, staged/gated configs, guest prep + host one-shot + post-reboot-fix + netcheck lifecycle scripts, grow-root manual runbook, rolling tracking HUD, questions v1, and the gateway boot-race hardening units. Applied and verified live 2026-08-31; open work is tracked in Redmine project 55 as #601-#607. [#602] 💘 Generated with Crush Assisted-by: Crush:glm-5.2
2026-08-31 16:46:13 -05:00
commit cba2a64d67
43 changed files with 3137 additions and 0 deletions
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+#!/usr/bin/env bash
+# UKRRS day/night resource profile (REPORT.md section 5.5).
+# Runtime-only changes (set-property --runtime + sysctl): a reboot always
+# lands safely in day mode (slice unit files carry the day defaults).
+set -euo pipefail
+mode=${1:?usage: ukrrs-daynight.sh day|night}
+CONF=/etc/ukrrs/daynight.conf
+[ -r "$CONF" ] && . "$CONF"
+
+: "${DATA2_DEV:=/dev/sdb}"
+: "${BATCH_WEIGHT_DAY:=25}";        : "${BATCH_WEIGHT_NIGHT:=400}"
+: "${BATCH_CPUS_DAY:=0-5}";         : "${BATCH_CPUS_NIGHT:=0-6}"
+: "${BATCH_HIGH_DAY:=12G}";         : "${BATCH_HIGH_NIGHT:=30G}"
+: "${GW_WEIGHT_DAY:=900}";          : "${GW_WEIGHT_NIGHT:=500}"
+: "${DATA2_RA_DAY:=256}";           : "${DATA2_RA_NIGHT:=2048}"
+: "${DIRTY_DAY:=1073741824}";       : "${DIRTY_NIGHT:=2147483648}"
+: "${DIRTY_BG_DAY:=268435456}";     : "${DIRTY_BG_NIGHT:=536870912}"
+
+log() { echo "[ukrrs-daynight] $*"; }
+setprop() { systemctl set-property --runtime "$@"; }
+setra() { blockdev --setra "$1" "$2" 2>/dev/null || log "readahead skip: $2"; }
+
+case "$mode" in
+night)
+  setprop ukrrs-batch.slice \
+    CPUWeight="$BATCH_WEIGHT_NIGHT" \
+    AllowedCPUs="$BATCH_CPUS_NIGHT" \
+    MemoryHigh="$BATCH_HIGH_NIGHT"
+  setprop ukrrs-gateway.slice CPUWeight="$GW_WEIGHT_NIGHT"
+  setra "$DATA2_RA_NIGHT" "$DATA2_DEV"; setra "$DATA2_RA_NIGHT" "${DATA2_DEV}1"
+  sysctl -q -w vm.dirty_bytes="$DIRTY_NIGHT" vm.dirty_background_bytes="$DIRTY_BG_NIGHT"
+  ;;
+day)
+  setprop ukrrs-batch.slice \
+    CPUWeight="$BATCH_WEIGHT_DAY" \
+    AllowedCPUs="$BATCH_CPUS_DAY" \
+    MemoryHigh="$BATCH_HIGH_DAY"
+  setprop ukrrs-gateway.slice CPUWeight="$GW_WEIGHT_DAY"
+  setra "$DATA2_RA_DAY" "$DATA2_DEV"; setra "$DATA2_RA_DAY" "${DATA2_DEV}1"
+  sysctl -q -w vm.dirty_bytes="$DIRTY_DAY" vm.dirty_background_bytes="$DIRTY_BG_DAY"
+  ;;
+*)
+  echo "unknown mode: $mode" >&2; exit 2 ;;
+esac
+log "profile $mode applied $(date -Is)"