mrcharles
cba2a64d67
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
46 lines
1.8 KiB
Bash
Executable File
46 lines
1.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# UKRRS day/night resource profile (REPORT.md section 5.5).
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# Runtime-only changes (set-property --runtime + sysctl): a reboot always
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# lands safely in day mode (slice unit files carry the day defaults).
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set -euo pipefail
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mode=${1:?usage: ukrrs-daynight.sh day|night}
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CONF=/etc/ukrrs/daynight.conf
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[ -r "$CONF" ] && . "$CONF"
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: "${DATA2_DEV:=/dev/sdb}"
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: "${BATCH_WEIGHT_DAY:=25}"; : "${BATCH_WEIGHT_NIGHT:=400}"
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: "${BATCH_CPUS_DAY:=0-5}"; : "${BATCH_CPUS_NIGHT:=0-6}"
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: "${BATCH_HIGH_DAY:=12G}"; : "${BATCH_HIGH_NIGHT:=30G}"
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: "${GW_WEIGHT_DAY:=900}"; : "${GW_WEIGHT_NIGHT:=500}"
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: "${DATA2_RA_DAY:=256}"; : "${DATA2_RA_NIGHT:=2048}"
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: "${DIRTY_DAY:=1073741824}"; : "${DIRTY_NIGHT:=2147483648}"
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: "${DIRTY_BG_DAY:=268435456}"; : "${DIRTY_BG_NIGHT:=536870912}"
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log() { echo "[ukrrs-daynight] $*"; }
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setprop() { systemctl set-property --runtime "$@"; }
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setra() { blockdev --setra "$1" "$2" 2>/dev/null || log "readahead skip: $2"; }
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case "$mode" in
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night)
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setprop ukrrs-batch.slice \
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CPUWeight="$BATCH_WEIGHT_NIGHT" \
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AllowedCPUs="$BATCH_CPUS_NIGHT" \
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MemoryHigh="$BATCH_HIGH_NIGHT"
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setprop ukrrs-gateway.slice CPUWeight="$GW_WEIGHT_NIGHT"
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setra "$DATA2_RA_NIGHT" "$DATA2_DEV"; setra "$DATA2_RA_NIGHT" "${DATA2_DEV}1"
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sysctl -q -w vm.dirty_bytes="$DIRTY_NIGHT" vm.dirty_background_bytes="$DIRTY_BG_NIGHT"
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;;
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day)
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setprop ukrrs-batch.slice \
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CPUWeight="$BATCH_WEIGHT_DAY" \
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AllowedCPUs="$BATCH_CPUS_DAY" \
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MemoryHigh="$BATCH_HIGH_DAY"
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setprop ukrrs-gateway.slice CPUWeight="$GW_WEIGHT_DAY"
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setra "$DATA2_RA_DAY" "$DATA2_DEV"; setra "$DATA2_RA_DAY" "${DATA2_DEV}1"
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sysctl -q -w vm.dirty_bytes="$DIRTY_DAY" vm.dirty_background_bytes="$DIRTY_BG_DAY"
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;;
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*)
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echo "unknown mode: $mode" >&2; exit 2 ;;
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esac
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log "profile $mode applied $(date -Is)"
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