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Code Issues Releases Activity

Address first batch of old review comments

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Signed-off-by: beorn7 <beorn@grafana.com>
This commit is contained in:
beorn7 2019-07-12 22:58:43 +02:00
commit 2180c2f3bf
3 changed files with 105 additions and 65 deletions
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71
docs/node-mixin/dashboards/use.libsonnet
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@ -10,16 +10,30 @@ local g = import 'grafana-builder/grafana.libsonnet';
g.row('CPU')
.addPanel(
g.panel('CPU Utilisation') +
g.queryPanel('instance:node_cpu_utilisation:avg1m * instance:node_num_cpu:sum / scalar(sum(instance:node_num_cpu:sum))', '{{instance}}', legendLink) +
g.queryPanel(|||
(
instance:node_cpu_utilisation:avg1m
*
instance:node_num_cpu:sum
/ ignoring (instance) group_left
sum without (instance) (instance:node_num_cpu:sum)
)
|||, '{{instance}}', legendLink) +
g.stack +
{ yaxes: g.yaxes({ format: 'percentunit', max: 1 }) },
)
.addPanel(
g.panel('CPU Saturation (Load1)') +
// TODO: Is this a useful panel?
g.panel('CPU Saturation (load1 per CPU)') +
g.queryPanel(|||
instance:node_cpu_saturation_load1: / scalar(sum(up{%(nodeExporterSelector)s}))
||| % $._config, '{{instance}}', legendLink) +
(
instance:node_load1_per_cpu:ratio
/ ignoring (instance) group_left
count without (instance) (instance:node_load1_per_cpu:ratio)
)
|||, '{{instance}}', legendLink) +
g.stack +
// TODO: Does `max: 1` make sense? The stack can go over 1 in high-load scenarios.
{ yaxes: g.yaxes({ format: 'percentunit', max: 1 }) },
)
)
@ -43,16 +57,26 @@ local g = import 'grafana-builder/grafana.libsonnet';
.addPanel(
g.panel('Disk IO Utilisation') +
// Full utilisation would be all disks on each node spending an average of
// 1 sec per second doing I/O, normalize by node count for stacked charts
g.queryPanel('instance:node_disk_utilisation:sum_irate / scalar(sum(up{%(nodeExporterSelector)s}))' % $._config, '{{instance}}', legendLink) +
// 1 second per second doing I/O, normalize by metric cardinality for stacked charts.
g.queryPanel(|||
(
instance:node_disk_utilisation:sum_irate
/ ignoring (instance) group_left
count without (instance) (instance:node_disk_utilisation:sum_irate)
)
|||, '{{instance}}', legendLink) +
g.stack +
{ yaxes: g.yaxes({ format: 'percentunit', max: 1 }) },
)
.addPanel(
g.panel('Disk IO Saturation') +
g.queryPanel(|||
instance:node_disk_saturation:sum_irate / scalar(sum(up{%(nodeExporterSelector)s}))
||| % $._config, '{{instance}}', legendLink) +
(
instance:node_disk_saturation:sum_irate
/ ignoring (instance) group_left
count without (instance) (instance:node_disk_saturation:sum_irate)
)
|||, '{{instance}}', legendLink) +
g.stack +
{ yaxes: g.yaxes({ format: 'percentunit', max: 1 }) },
)
@ -76,7 +100,21 @@ local g = import 'grafana-builder/grafana.libsonnet';
g.row('Storage')
.addPanel(
g.panel('Disk Capacity') +
g.queryPanel('sum(max(node_filesystem_size_bytes{fstype=~"ext[24]"} - node_filesystem_free_bytes{fstype=~"ext[24]"}) by (device,instance,namespace)) by (instance,namespace) / scalar(sum(max(node_filesystem_size_bytes{fstype=~"ext[24]"}) by (device,instance,namespace)))', '{{instance}}', legendLink) +
g.queryPanel(|||
(
sum without (device) (
max without (fstype, mountpoint) (
node_filesystem_size_bytes{fstype=~"ext[24]"} - node_filesystem_avail_bytes{fstype=~"ext[24]"}
)
)
/ ignoring (instance) group_left
sum without (instance, device) (
max without (fstype, mountpoint) (
node_filesystem_size_bytes{fstype=~"ext[24]"}
)
)
)
|||, '{{instance}}', legendLink) +
g.stack +
{ yaxes: g.yaxes({ format: 'percentunit', max: 1 }) },
),
@ -106,9 +144,9 @@ local g = import 'grafana-builder/grafana.libsonnet';
{ yaxes: g.yaxes('percentunit') },
)
.addPanel(
g.panel('Memory Saturation (Swap I/O)') +
g.queryPanel('instance:node_memory_swap_io_bytes:sum_rate{instance="$instance"}', 'Swap IO') +
{ yaxes: g.yaxes('Bps') },
g.panel('Memory Saturation (pages swapped per second)') +
g.queryPanel('instance:node_memory_swap_io_pages:sum_rate{instance="$instance"}', 'Swap IO') +
{ yaxes: g.yaxes('short') },
)
)
.addRow(
@ -141,7 +179,14 @@ local g = import 'grafana-builder/grafana.libsonnet';
g.row('Disk')
.addPanel(
g.panel('Disk Utilisation') +
g.queryPanel('1 - sum(max by (device, node) (node_filesystem_free_bytes{fstype=~"ext[24]"})) / sum(max by (device, node) (node_filesystem_size_bytes{fstype=~"ext[24]"}))', 'Disk') +
g.queryPanel(|||
1 -
(
sum(max without (mountpoint, fstype) (node_filesystem_avail_bytes{fstype=~"ext[24]"}))
/
sum(max without (mountpoint, fstype) (node_filesystem_size_bytes{fstype=~"ext[24]"}))
)
|||, 'Disk') +
{ yaxes: g.yaxes('percentunit') },
),
),