mrcharles
0e67f17112
Enforcement (check-rules/hooks/shellcheck) per ADOPTING pattern; perf/ SoR from the #685 session (memcensus, pg role-caps SQL, applied sysctl, planned daemon.json); questions-v1 (API token + dockerd window asks). Meat + verification: https://projects.knownelement.com/issues/727#note-3913
31 lines
1.4 KiB
Bash
Executable File
31 lines
1.4 KiB
Bash
Executable File
#!/bin/sh
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# perf/memcensus.sh — per-app memory limit vs usage census on tsys-cloudron [#685]
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#
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# Final v3 (v1/v2 had usage-parsing bugs; superseded). Reports per-container
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# waste (limit minus usage) for apps with >=1GB limits — the basis for the
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# memory-slider shrink table on Discourse t/316.
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#
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# Run (read-only, from a KNEL/PFVCluster checkout):
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# VM_IP=my.knownelement.com VM_USER=root timeout 120 bash tests/remote.sh vm-file perf/memcensus.sh
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# Needs: docker + awk on the host.
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# memory census v3 [#685]
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docker stats --no-stream --format "{{.Name}} {{.MemUsage}}" > /tmp/ms3.txt
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docker ps --format "{{.Names}}" | while read -r n; do
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lim=$(docker inspect "$n" --format '{{.HostConfig.Memory}}' 2>/dev/null)
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fq=$(docker inspect "$n" --format '{{range .Config.Env}}{{println .}}{{end}}' 2>/dev/null | grep -m1 '^CLOUDRON_APP_DOMAIN=' | cut -d= -f2)
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[ -z "$fq" ] && fq=$(docker inspect "$n" --format '{{.Config.Image}}' 2>/dev/null | sed 's|.*/||;s|:.*||')
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echo "$n|$fq|$lim"
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done > /tmp/ml3.txt
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awk 'NR==FNR {
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gsub(/,/,"");
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if ($2 ~ /G/) u[$1] = $2 * 1024; else u[$1] = $2 + 0;
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next
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}
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{
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split($0, f, "|")
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lim = f[3] / 1048576
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use = u[f[1]] + 0
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if (lim >= 1024)
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printf "%7.0fMB | %-46s | %6.0fMB | %6.0fMB | %3.0f%%\n", lim - use, f[2], lim, use, (lim ? use / lim * 100 : 0)
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}' /tmp/ms3.txt /tmp/ml3.txt | sort -t'|' -k1 -rn | head -30
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