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fix(kb/prometheus): really minor rephrase for readability

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Michele Cereda
2025-05-20 22:46:38 +02:00
parent 64d537a32c
commit f9b1bf06ba
1 changed files with 4 additions and 2 deletions
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6
knowledge base/prometheus/README.md
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@@ -207,7 +207,7 @@ Prometheus can reload the configuration file with**out** restarting its process
```
- Sending a `POST` HTTP request to the `/-/reload` endpoint.<br/>
Requires the process to start with the `--web.enable-lifecycle` flag enabled.
This is **only** possible if the process started with the `--web.enable-lifecycle` flag enabled.
If the new configuration is **not** well-formed, changes will **not** be applied.<br/>
This will also reload any configured rule files.
@@ -271,6 +271,8 @@ When using time ranges, the returned vector will be a _range vector_.
<details style="padding: 0 0 1em 1em">
<summary>Example</summary>
Functions are case **in**sensitive.
```promql
100 * (1 - avg by(instance)(irate(node_cpu_seconds_total{job='node_exporter',mode='idle'}[5m])))
```
@@ -297,7 +299,7 @@ To make it all a percentage, the computed value is multiplied by 100.
```promql
# Get all allocatable CPU cores where the 'node' attribute matches regex ".*-runners-.*" grouped by node
sum(kube_node_status_allocatable_cpu_cores{node=~".*-runners-.*"}) BY (node)
SUM(kube_node_status_allocatable_cpu_cores{node=~".*-runners-.*"}) BY (node)
# FIXME
sum(rate(container_cpu_usage_seconds_total{namespace="gitlab-runners",container="build",pod_name=~"runner.*"}[30s])) by (pod_name,container) /