mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-11-21 14:44:00 +00:00
docker-compose: provide the example list of alerting rules for vm components (#1005)
List contains examples for the alerting rules which might be executed via `vmalert` to track the health state of VM components. It is assumed that list will be revised and calibrated for each system individually.
This commit is contained in:
Roman Khavronenko
GitHub
parent
24ffad74c1
commit
14f0f90507
3 changed files with 170 additions and 18 deletions
|
|
@ -1279,6 +1279,7 @@ The most interesting metrics are:
|
|||
|
||||
VictoriaMetrics also exposes currently running queries with their execution times at `/api/v1/status/active_queries` page.
|
||||
|
||||
See the example of alerting rules for VM components [here](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/deployment/docker/alerts.yml).
|
||||
|
||||
## Troubleshooting
|
||||
|
||||
|
|
|
|||
|
|
@ -1,23 +1,174 @@
|
|||
# File contains default list of alerts for vm-single and vmagent services.
|
||||
# The alerts below are just recommendations and may require some updates
|
||||
# and threshold calibration according to every specific setup.
|
||||
groups:
|
||||
- name: groupGorSingleAlert
|
||||
- name: serviceHealth
|
||||
rules:
|
||||
- alert: VMRows
|
||||
for: 10s
|
||||
expr: vm_rows > 0
|
||||
# note the `job` filter and update accordingly to your setup
|
||||
- alert: TooManyRestarts
|
||||
expr: changes(process_start_time_seconds{job=~"victoriametrics|vmagent|vmalert"}[15m]) > 2
|
||||
labels:
|
||||
label: bar
|
||||
host: "{{ $labels.instance }}"
|
||||
severity: critical
|
||||
annotations:
|
||||
summary: "{{ $value|humanize }}"
|
||||
description: "{{$labels}}"
|
||||
- name: TestGroup
|
||||
summary: "{{ $labels.job }} too many restarts (instance {{ $labels.instance }})"
|
||||
description: "Job {{ $labels.job }} has restarted more than twice in the last 15 minutes.
|
||||
It might be crashlooping."
|
||||
|
||||
# Alerts group for VM single assumes that Grafana dashboard
|
||||
# https://grafana.com/grafana/dashboards/10229 is installed.
|
||||
# Pls update the `dashboard` annotation according to your setup.
|
||||
- name: vmsingle
|
||||
interval: 30s
|
||||
concurrency: 2
|
||||
rules:
|
||||
- alert: Conns
|
||||
expr: sum(vm_tcplistener_conns) by(instance) > 1
|
||||
for: 5s
|
||||
- alert: DiskRunsOutOfSpaceIn3Days
|
||||
expr: |
|
||||
vm_free_disk_space_bytes / ignoring(path) (
|
||||
(
|
||||
sum(rate(vm_rows_added_to_storage_total[1d])) -
|
||||
sum(rate(vm_deduplicated_samples_total[1d])) without(type)
|
||||
)
|
||||
*
|
||||
(
|
||||
sum(vm_data_size_bytes{type!="indexdb"}) /
|
||||
sum(vm_rows{type!="indexdb"})
|
||||
)
|
||||
) < 3 * 24 * 3600
|
||||
for: 30m
|
||||
labels:
|
||||
severity: critical
|
||||
annotations:
|
||||
summary: "Too high connection number for {{$labels.instance}}"
|
||||
description: "It is {{ $value }} connections for {{$labels.instance}}"
|
||||
- alert: ExampleAlertAlwaysFiring
|
||||
expr: sum by(job)
|
||||
(up == 1)
|
||||
dashboard: "http://localhost:3000/d/wNf0q_kZk?viewPanel=73&var-instance={{ $labels.instance }}"
|
||||
summary: "Instance {{ $labels.instance }} will run out of disk space soon"
|
||||
description: "Taking into account current ingestion rate, free disk space will be enough only
|
||||
for {{ $value | humanizeDuration }} on instance {{ $labels.instance }}.\n
|
||||
Consider to limit the ingestion rate, decrease retention or scale the disk space if possible."
|
||||
|
||||
- alert: RequestErrorsToAPI
|
||||
expr: increase(vm_http_request_errors_total[5m]) > 0
|
||||
for: 15m
|
||||
labels:
|
||||
severity: warning
|
||||
annotations:
|
||||
dashboard: "http://localhost:3000/d/wNf0q_kZk?viewPanel=35&var-instance={{ $labels.instance }}"
|
||||
summary: "Too many errors served for path {{ $labels.path }} (instance {{ $labels.instance }})"
|
||||
description: "Requests to path {{ $labels.path }} are receiving errors.
|
||||
Please verify if clients are sending correct requests."
|
||||
|
||||
- alert: ConcurrentFlushesHitTheLimit
|
||||
expr: vm_concurrent_addrows_current >= vm_concurrent_addrows_capacity
|
||||
for: 15m
|
||||
labels:
|
||||
severity: warning
|
||||
annotations:
|
||||
dashboard: "http://localhost:3000/d/wNf0q_kZk?viewPanel=59&var-instance={{ $labels.instance }}"
|
||||
summary: "VictoriMetrics on instance {{ $labels.instance }} is constantly hitting concurrent flushes limit"
|
||||
description: "The limit of concurrent flushes on instance {{ $labels.instance }} is equal to number of CPUs.\n
|
||||
When VictoriaMetrics constantly hits the limit it means that storage is overloaded and requires more CPU."
|
||||
|
||||
- alert: TooManyLogs
|
||||
expr: sum(increase(vm_log_messages_total{level!="info"}[5m])) by (job, instance) > 0
|
||||
for: 15m
|
||||
labels:
|
||||
severity: warning
|
||||
annotations:
|
||||
dashboard: "http://localhost:3000/d/wNf0q_kZk?viewPanel=67&var-instance={{ $labels.instance }}"
|
||||
summary: "Too many logs printed for job \"{{ $labels.job }}\" ({{ $labels.instance }})"
|
||||
description: "Logging rate for job \"{{ $labels.job }}\" ({{ $labels.instance }}) is {{ $value }} for last 15m.\n
|
||||
Worth to check logs for specific error messages."
|
||||
|
||||
- alert: RowsRejectedOnIngestion
|
||||
expr: sum(rate(vm_rows_ignored_total[5m])) by (instance, reason) > 0
|
||||
for: 15m
|
||||
labels:
|
||||
severity: warning
|
||||
annotations:
|
||||
dashboard: "http://localhost:3000/d/wNf0q_kZk?viewPanel=58&var-instance={{ $labels.instance }}"
|
||||
summary: "Some rows are rejected on \"{{ $labels.instance }}\" on ingestion attempt"
|
||||
description: "VM is rejecting to ingest rows on \"{{ $labels.instance }}\" due to the
|
||||
following reason: \"{{ $labels.reason }}\""
|
||||
|
||||
- alert: TooHighChurnRate
|
||||
expr: |
|
||||
(
|
||||
sum(rate(vm_new_timeseries_created_total[5m])) by(instance)
|
||||
/
|
||||
sum(rate(vm_rows_inserted_total[5m])) by (instance)
|
||||
) > 0.1
|
||||
for: 15m
|
||||
labels:
|
||||
severity: warning
|
||||
annotations:
|
||||
dashboard: "http://localhost:3000/d/wNf0q_kZk?viewPanel=66&var-instance={{ $labels.instance }}"
|
||||
summary: "Churn rate is more than 10% on \"{{ $labels.instance }}\" for the last 15m"
|
||||
description: "VM constantly creates new time series on \"{{ $labels.instance }}\".\n
|
||||
This effect is known as Churn Rate.\n
|
||||
High Churn Rate tightly connected with database performance and may
|
||||
result in unexpected OOM's or slow queries."
|
||||
|
||||
- alert: TooHighSlowInsertsRate
|
||||
expr: |
|
||||
(
|
||||
sum(rate(vm_slow_row_inserts_total[5m])) by(instance)
|
||||
/
|
||||
sum(rate(vm_rows_inserted_total[5m])) by (instance)
|
||||
) > 0.5
|
||||
for: 15m
|
||||
labels:
|
||||
severity: warning
|
||||
annotations:
|
||||
dashboard: "http://localhost:3000/d/wNf0q_kZk?viewPanel=68&var-instance={{ $labels.instance }}"
|
||||
summary: "Percentage of slow inserts is more than 50% on \"{{ $labels.instance }}\" for the last 15m"
|
||||
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."
|
||||
|
||||
# Alerts group for vmagent assumes that Grafana dashboard
|
||||
# https://grafana.com/grafana/dashboards/12683 is installed.
|
||||
# Pls update the `dashboard` annotation according to your setup.
|
||||
- name: vmagent
|
||||
interval: 30s
|
||||
concurrency: 2
|
||||
rules:
|
||||
- alert: PersistentQueueIsDroppingData
|
||||
expr: sum(increase(vm_persistentqueue_bytes_dropped_total[5m])) by (job, instance) > 0
|
||||
for: 10m
|
||||
labels:
|
||||
severity: critical
|
||||
annotations:
|
||||
dashboard: "http://localhost:3000/d/G7Z9GzMGz?viewPanel=49&var-instance={{ $labels.instance }}"
|
||||
summary: "Instance {{ $labels.instance }} is dropping data from persistent queue"
|
||||
description: "Vmagent dropped {{ $value | humanize1024 }} from persistent queue
|
||||
on instance {{ $labels.instance }} for the last 10m."
|
||||
|
||||
- alert: TooManyScrapeErrors
|
||||
expr: sum(increase(vm_promscrape_scrapes_failed_total[5m])) by (job, instance) > 0
|
||||
for: 15m
|
||||
labels:
|
||||
severity: warning
|
||||
annotations:
|
||||
dashboard: "http://localhost:3000/d/G7Z9GzMGz?viewPanel=31&var-instance={{ $labels.instance }}"
|
||||
summary: "Job \"{{ $labels.job }}\" on instance {{ $labels.instance }} fails to scrape targets for last 15m"
|
||||
|
||||
- alert: TooManyWriteErrors
|
||||
expr: |
|
||||
(sum(increase(vm_ingestserver_request_errors_total[5m])) by (job, instance)
|
||||
+
|
||||
sum(increase(vmagent_http_request_errors_total[5m])) by (job, instance)) > 0
|
||||
for: 15m
|
||||
labels:
|
||||
severity: warning
|
||||
annotations:
|
||||
dashboard: "http://localhost:3000/d/G7Z9GzMGz?viewPanel=77&var-instance={{ $labels.instance }}"
|
||||
summary: "Job \"{{ $labels.job }}\" on instance {{ $labels.instance }} responds with errors to write requests for last 15m."
|
||||
|
||||
- alert: TooManyRemoteWriteErrors
|
||||
expr: sum(rate(vmagent_remotewrite_retries_count_total[5m])) by(job, instance, url) > 0
|
||||
for: 15m
|
||||
labels:
|
||||
severity: warning
|
||||
annotations:
|
||||
dashboard: "http://localhost:3000/d/G7Z9GzMGz?viewPanel=61&var-instance={{ $labels.instance }}"
|
||||
summary: "Job \"{{ $labels.job }}\" on instance {{ $labels.instance }} fails to push to remote storage"
|
||||
description: "Vmagent fails to push data via remote write protocol to destination \"{{ $labels.url }}\"\n
|
||||
Ensure that destination is up and reachable."
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue