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Fix memory gauge in mixin with multiple pods

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Signed-off-by: Arthur Outhenin-Chalandre <arthur@cri.epita.fr>
This commit is contained in:
Arthur Outhenin-Chalandre 2020-09-10 02:57:04 +02:00 committed by Johannes 'fish' Ziemke
parent ff2ff3410f
commit 6585e43eec
1 changed files with 3 additions and 2 deletions
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5
docs/node-mixin/dashboards/node.libsonnet
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@ -75,14 +75,15 @@ local gauge = promgrafonnet.gauge;
// TODO: It would be nicer to have a gauge that gets a 0-1 range and displays it as a percentage 0%-100%.
// This needs to be added upstream in the promgrafonnet library and then changed here.
// NOTE: avg() is used to circumvent a label change caused by a node_exporter rollout.
local memoryGauge = gauge.new(
'Memory Usage',
|||
100 -
(
node_memory_MemAvailable_bytes{%(nodeExporterSelector)s, instance="$instance"}
avg(node_memory_MemAvailable_bytes{%(nodeExporterSelector)s, instance="$instance"})
/
node_memory_MemTotal_bytes{%(nodeExporterSelector)s, instance="$instance"}
avg(node_memory_MemTotal_bytes{%(nodeExporterSelector)s, instance="$instance"})
* 100
)
||| % $._config,