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Add alert when fluentd queue buffers grow too large #1048

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Merged
merged 1 commit into from
Jul 8, 2024
Merged

Add alert when fluentd queue buffers grow too large #1048

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13 changes: 13 additions & 0 deletions etc/kayobe/kolla/config/prometheus/fluentd.rules
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Original file line number Diff line number Diff line change
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{% raw %}
groups:
- name: Fluentd
rules:
- alert: FluentdBufferTooLarge
expr: (fluentd_output_status_buffer_total_bytes / 1024^2) > 128
for: 15m
labels:
severity: warning
annotations:
summary: "Fluentd at {{ $labels.instance }} reports large queue buffers"
description: "Fluentd queue buffers on {{ $labels.instance }} are using {{ $value }} MiB."
{% endraw %}
5 changes: 5 additions & 0 deletions releasenotes/notes/fluentd-buffer-too-large-alert-682893410855387f.yaml
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---
features:
- |
Adds a new Prometheus alert ``FluentdBufferTooLarge`` which is raised when
the total size of queue buffers grows above 128 MiB.
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