prometheus/prom/consoles/node-disk.html

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{{ template "head" . }}
{{ template "prom_right_table_head" }}
<th colspan="2">Disks</th>
</tr>
{{ range printf "node_disk_io_time_ms{job='node',instance='%s'}" .Params.instance | query | sortByLabel "device" }}
<th colspan="2">{{ .Labels.device }}</th>
<tr>
<td>Utilization</td>
<td>{{ template "prom_query_drilldown" (args (printf "rate(node_disk_io_time_ms{job='node',instance='%s',device='%s'}[5m]) / 1000 * 100" .Labels.instance .Labels.device) "%" "printf.1f") }}</td>
</tr>
<tr>
<td>Throughput</td>
<td>{{ template "prom_query_drilldown" (args (printf "rate(node_disk_sectors_read{job='node',instance='%s',device='%s'}[5m]) * 512 + rate(node_disk_sectors_written{job='node',instance='%s',device='%s'}[5m]) * 512" .Labels.instance .Labels.device .Labels.instance .Labels.device) "B/s" "humanize") }}</td>
</tr>
<tr>
<td>Avg Read Time</td>
<td>{{ template "prom_query_drilldown" (args (printf "rate(node_disk_read_time_ms{job='node',instance='%s',device='%s'}[5m]) / 1000 / rate(node_disk_reads_completed{job='node',instance='%s',device='%s'}[5m])" .Labels.instance .Labels.device .Labels.instance .Labels.device) "s" "humanize") }}</td>
</tr>
<tr>
<td>Avg Write Time</td>
<td>{{ template "prom_query_drilldown" (args (printf "rate(node_disk_write_time_ms{job='node',instance='%s',device='%s'}[5m]) / 1000 / rate(node_disk_writes_completed{job='node',instance='%s',device='%s'}[5m])" .Labels.instance .Labels.device .Labels.instance .Labels.device) "s" "humanize") }}</td>
</tr>
{{ end }}
<th colspan="2">Filesystem Fullness</th>
</tr>
{{ define "roughlyNearZero" }}
{{ if gt .1 . }}~0{{ else }}{{ printf "%.1f" . }}{{ end }}
{{ end }}
{{ range printf "node_filesystem_size{job='node',instance='%s'}" .Params.instance | query | sortByLabel "mountpoint" }}
<tr>
<td>{{ .Labels.mountpoint }}</td>
<td>{{ template "prom_query_drilldown" (args (printf "100 - node_filesystem_free{job='node',instance='%s',mountpoint='%s'} / node_filesystem_size{job='node'} * 100" .Labels.instance .Labels.mountpoint) "%" "roughlyNearZero") }}</td>
</tr>
{{ end }}
<tr>
</tr>
{{ template "prom_right_table_tail" }}
{{ template "prom_content_head" . }}
<h1>Node Disk - {{ reReplaceAll "(.*?://)([^:/]+?)(:\\d+)?/.*" "$2" .Params.instance }}</h1>
<h3>Disk I/O Utilization</h3>
<div id="diskioGraph"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#diskioGraph"),
expr: [
"rate(node_disk_io_time_ms{job='node',instance='{{ .Params.instance }}',device!~'^(md\\d+$|dm-)'}[5m]) / 1000 * 100",
],
min: 0,
name: '[[ device ]]',
yUnits: "%",
yAxisFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
yHoverFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
yTitle: 'Disk I/O Utilization'
})
</script>
<h3>Filesystem Usage</h3>
<div id="fsGraph"></div>
<script>
new PromConsole.Graph({
node: document.querySelector("#fsGraph"),
expr: "100 - node_filesystem_free{job='node',instance='{{ .Params.instance }}'} / node_filesystem_size{job='node'} * 100",
min: 0,
max: 100,
name: '[[ filesystem ]]',
yUnits: "%",
yAxisFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
yHoverFormatter: PromConsole.NumberFormatter.humanizeNoSmallPrefix,
yTitle: 'Filesystem Fullness'
})
</script>
{{ template "prom_content_tail" . }}
{{ template "tail" }}