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Single dashboard (#1126)

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* dashboard: update single node dashboard

* add panel `Open FDs` for file descriptors metrics;
* add panel `Disk writes/reads` to show the real read/write
load on storage layer;
* add `process_resident_memory_bytes` metric to memory usage panel;
* add stats panel to show available CPUs, memory and disk space;
* rm flags panel since it didn't prove its usefulness.

* alerts: add alert for reaching FDs limit
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Roman Khavronenko 2021-03-15 10:04:24 +00:00 committed by GitHub
parent 6d91842c83
commit b457739f87
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2 changed files with 1861 additions and 1347 deletions
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dashboards/victoriametrics.json
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deployment/docker/alerts.yml
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@ -122,6 +122,16 @@ groups:
description: "High rate of slow inserts on \"{{ $labels.instance }}\" may be a sign of resource exhaustion description: "High rate of slow inserts on \"{{ $labels.instance }}\" may be a sign of resource exhaustion
for the current load. It is likely more RAM is needed for optimal handling of the current number of active time series." for the current load. It is likely more RAM is needed for optimal handling of the current number of active time series."
- alert: ProcessNearFDLimits
expr: process_open_fds / process_max_fds > 0.8
for: 10m
labels:
severity: critical
annotations:
summary: "Number of free file descriptors is less than 20% for \"{{ $labels.job }}\"(\"{{ $labels.instance }}\") for the last 10m"
description: "Exhausting OS file descriptors limit can cause severe degradation of the process.
Consider to increase the limit as fast as possible."
# Alerts group for vmagent assumes that Grafana dashboard # Alerts group for vmagent assumes that Grafana dashboard
# https://grafana.com/grafana/dashboards/12683 is installed. # https://grafana.com/grafana/dashboards/12683 is installed.
# Pls update the `dashboard` annotation according to your setup. # Pls update the `dashboard` annotation according to your setup.