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author | Ben Kochie <superq@gmail.com> | 2018-09-12 10:23:25 +0200 |
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committer | Ben Kochie <superq@gmail.com> | 2018-09-12 10:23:25 +0200 |
commit | e91c7469ad0be5f429548d4142ca93c17ec9e71e (patch) | |
tree | cfb1154a29f72ba3a361c07e289f20fd47a13886 | |
parent | a3c3776b5c7fd5c3c6c7bc9ee846b4d105333b32 (diff) | |
download | gitlab-ce-e91c7469ad0be5f429548d4142ca93c17ec9e71e.tar.gz |
Update example Prometheus queries
* Update metric names to match current release.
* Improve descriptions.
* Improve examples to show more query language functionality.
Memory:
* Show use of `or` function.
* Automatically select "MemAvailable" kernel metric if possible.
CPU:
* Show use of `avg without ...`.
* Show CPU utilization per node.
Network:
* Show use of `!=` label matching.
* Don't show "localhost" metrics.
-rw-r--r-- | doc/administration/monitoring/prometheus/index.md | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/doc/administration/monitoring/prometheus/index.md b/doc/administration/monitoring/prometheus/index.md index 9d525645952..b1b670c3b42 100644 --- a/doc/administration/monitoring/prometheus/index.md +++ b/doc/administration/monitoring/prometheus/index.md @@ -97,10 +97,10 @@ For a more fully featured dashboard, Grafana can be used and has Sample Prometheus queries: -- **% Memory used:** `(1 - ((node_memory_MemFree + node_memory_Cached) / node_memory_MemTotal)) * 100` -- **% CPU load:** `1 - rate(node_cpu{mode="idle"}[5m])` -- **Data transmitted:** `irate(node_network_transmit_bytes[5m])` -- **Data received:** `irate(node_network_receive_bytes[5m])` +- **% Memory available:** `((node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes) or ((node_memory_MemFree_bytes + node_memory_Buffers_bytes + node_memory_Cached_bytes) / node_memory_MemTotal_bytes)) * 100` +- **% CPU utilization:** `1 - avg without (mode,cpu) (rate(node_cpu_seconds_total{mode="idle"}[5m]))` +- **Data transmitted:** `rate(node_network_transmit_bytes_total{device!="lo"}[5m])` +- **Data received:** `rate(node_network_receive_bytes_total{device!="lo"}[5m])` ## Configuring Prometheus to monitor Kubernetes |