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ygg-verify: back to 5 slots; disk IO is the ceiling

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At 8 slots /proc/pressure/io showed full avg60=41% and live Odin fsyncs
stalled route challenges.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Meta Vens 2026-09-30 01:51:51 +02:00
commit b4f22571b8
1 changed files with 5 additions and 1 deletions
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6
tools/stopgap/ygg-verify.sh
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@ -33,6 +33,10 @@
# the 16 cores on purpose: jobs run at nice 10, so the live services still win
# the scheduler. Memory is the real ceiling: 8 x 6 GiB worst case leaves the
# services (~9 GiB resident) their share of the 62.
# DISK is the ceiling that bit: at 8 slots (2026-09-30 01:50 CEST) /proc/pressure/io
# read full avg60=41%, and live Odin's fsyncs stalled long enough for Idunn's route
# challenges to time out. Back to 5 slots; CPU and memory headroom do not mean
# IO headroom. Watch /proc/pressure/io before raising this again.
#
# A job whose container sits under $5% of one core for $IDLE seconds
# (default 900) is killed and comes back red: on 2026-09-30 three hung test
@ -78,7 +82,7 @@
set -euo pipefail
repo=${1:?local repo}; rev=${2:?revision}; image=${3:?image}; cmd=${4:?command}
host=${YGG_HOST:-ygg}; cpus=${CPUS:-4}; mem=${MEM:-6g}; slots=${SLOTS:-8}
host=${YGG_HOST:-ygg}; cpus=${CPUS:-4}; mem=${MEM:-6g}; slots=${SLOTS:-5}
timeout_s=${TIMEOUT:-3600}; idle_s=${IDLE:-900}
docker_args=${DOCKER_ARGS:-}
here=$(cd "$(dirname "$0")" && pwd)