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Tag only users with high memory consumption #47

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Merged
vkucera merged 1 commit into from
Mar 23, 2026
Merged

Tag only users with high memory consumption #47

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9 changes: 6 additions & 3 deletions monitor_system.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -48,11 +48,11 @@ check_memory() {
if [[ "$HARD" -eq 1 ]]; then
logfile="${FILE_BASE}/memory_full"
memory_min=$((MEMORY_LIMIT_HARD * memory_total / 100))
message="${TITLE_WARNING}@all Available memory is almost **EXHAUSTED**: $((memory_available / 1048576)) GiB (threshold $((memory_min / 1048576)) GiB)"
message="${TITLE_WARNING}Available memory is almost **EXHAUSTED**: $((memory_available / 1048576)) GiB (threshold $((memory_min / 1048576)) GiB)"
else
logfile="${FILE_BASE}/memory_getting_full"
memory_min=$((MEMORY_LIMIT_SOFT * memory_total / 100))
message="${TITLE_WARNING}@all Available memory is low: $((memory_available / 1048576)) GiB (threshold $((memory_min / 1048576)) GiB)"
message="${TITLE_WARNING}Available memory is low: $((memory_available / 1048576)) GiB (threshold $((memory_min / 1048576)) GiB)"
fi
if ((memory_available >= memory_min)); then
rm -f "${logfile}"
Expand All @@ -62,9 +62,12 @@ check_memory() {
return 0
fi
date +"%F_%H-%M-%S" > "${logfile}"
table="$(ps S -e --no-headers -o user:20,pss | awk '{m[$1] += $2; m["total"] += $2} END{for(u in m) if (m[u] > 10 * 1048576) {print u, m[u]}}' | sort -rnk 2 | awk '{printf "| %s | %.0f |\\n", $1, $2 / 1048576}')"
users="$(echo -e "$table" | awk '(NR > 1 && $0 != "") {users[$2] = 1} END{for (u in users) {printf "@%s ", u}}')"
local text="${message}\n"
text+="Please check. ${users}\n"
text+="\n| user | usage [GiB] |\n|---|---|\n"
text+="$(ps S -e --no-headers -o user:20,pss | awk '{m[$1] += $2; m["total"] += $2} END{for(u in m) {print u, m[u]}}' | sort -rnk 2 | head -5 | awk '{printf "| %s | %.0f |\\n", $1, $2 / 1048576}')"
text+="$table"
notify_mattermost "$text"
}

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