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monitoring-mixins-website/assets/cortex/alerts.yaml

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groups:
- name: cortex_alerts
rules:
- alert: CortexIngesterUnhealthy
annotations:
message: There are {{ printf "%f" $value }} unhealthy ingester(s).
expr: |
min by (cluster, namespace) (cortex_ring_members{state="Unhealthy", name="ingester"}) > 0
for: 15m
labels:
severity: critical
- alert: CortexRequestErrors
annotations:
message: |
{{ $labels.job }} {{ $labels.route }} is experiencing {{ printf "%.2f" $value }}% errors.
expr: |
100 * sum by (cluster, namespace, job, route) (rate(cortex_request_duration_seconds_count{status_code=~"5..",route!~"ready"}[1m]))
/
sum by (cluster, namespace, job, route) (rate(cortex_request_duration_seconds_count{route!~"ready"}[1m]))
> 1
for: 15m
labels:
severity: warning
- alert: CortexRequestLatency
annotations:
message: |
{{ $labels.job }} {{ $labels.route }} is experiencing {{ printf "%.2f" $value }}s 99th percentile latency.
expr: |
cluster_namespace_job_route:cortex_request_duration_seconds:99quantile{route!~"metrics|/frontend.Frontend/Process|ready|/schedulerpb.SchedulerForFrontend/FrontendLoop|/schedulerpb.SchedulerForQuerier/QuerierLoop"}
>
2.5
for: 15m
labels:
severity: warning
- alert: CortexTableSyncFailure
annotations:
message: |
{{ $labels.job }} is experiencing {{ printf "%.2f" $value }}% errors syncing tables.
expr: |
100 * rate(cortex_table_manager_sync_duration_seconds_count{status_code!~"2.."}[15m])
/
rate(cortex_table_manager_sync_duration_seconds_count[15m])
> 10
for: 30m
labels:
severity: critical
- alert: CortexQueriesIncorrect
annotations:
message: |
Incorrect results for {{ printf "%.2f" $value }}% of queries.
expr: |
100 * sum by (cluster, namespace) (rate(test_exporter_test_case_result_total{result="fail"}[5m]))
/
sum by (cluster, namespace) (rate(test_exporter_test_case_result_total[5m])) > 1
for: 15m
labels:
severity: warning
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- alert: CortexInconsistentConfig
annotations:
message: |
An inconsistent config file hash is used across cluster {{ $labels.job }}.
expr: |
count(count by(cluster, namespace, job, sha256) (cortex_config_hash)) without(sha256) > 1
for: 1h
labels:
severity: warning
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- alert: CortexBadRuntimeConfig
annotations:
message: |
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{{ $labels.job }} failed to reload runtime config.
expr: |
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cortex_runtime_config_last_reload_successful == 0
or
cortex_overrides_last_reload_successful == 0
for: 5m
labels:
severity: warning
- alert: CortexQuerierCapacityFull
annotations:
message: |
{{ $labels.job }} is at capacity processing queries.
expr: |
prometheus_engine_queries_concurrent_max{job=~".+/(cortex|ruler|querier)"} - prometheus_engine_queries{job=~".+/(cortex|ruler|querier)"} == 0
for: 5m
labels:
severity: critical
- alert: CortexFrontendQueriesStuck
annotations:
message: |
There are {{ $value }} queued up queries in query-frontend.
expr: |
sum by (cluster, namespace) (cortex_query_frontend_queue_length) > 1
for: 5m
labels:
severity: critical
- alert: CortexSchedulerQueriesStuck
annotations:
message: |
There are {{ $value }} queued up queries in query-scheduler.
expr: |
sum by (cluster, namespace) (cortex_query_scheduler_queue_length) > 1
for: 5m
labels:
severity: critical
- alert: CortexCacheRequestErrors
annotations:
message: |
Cache {{ $labels.method }} is experiencing {{ printf "%.2f" $value }}% errors.
expr: |
100 * sum by (cluster, namespace, method) (rate(cortex_cache_request_duration_seconds_count{status_code=~"5.."}[1m]))
/
sum by (cluster, namespace, method) (rate(cortex_cache_request_duration_seconds_count[1m]))
> 1
for: 15m
labels:
severity: warning
- alert: CortexIngesterRestarts
annotations:
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message: '{{ $labels.job }}/{{ $labels.instance }} has restarted {{ printf "%.2f"
$value }} times in the last 30 mins.'
expr: |
changes(process_start_time_seconds{job=~".+(cortex|ingester.*)"}[30m]) > 1
labels:
severity: critical
- alert: CortexTransferFailed
annotations:
message: '{{ $labels.job }}/{{ $labels.instance }} transfer failed.'
expr: |
max_over_time(cortex_shutdown_duration_seconds_count{op="transfer",status!="success"}[15m])
for: 5m
labels:
severity: critical
- alert: CortexOldChunkInMemory
annotations:
message: |
{{ $labels.job }}/{{ $labels.instance }} has very old unflushed chunk in memory.
expr: |
(time() - cortex_oldest_unflushed_chunk_timestamp_seconds > 36000)
and
(cortex_oldest_unflushed_chunk_timestamp_seconds > 0)
for: 5m
labels:
severity: warning
- alert: CortexMemoryMapAreasTooHigh
annotations:
message: '{{ $labels.job }}/{{ $labels.instance }} has a number of mmap-ed areas
close to the limit.'
expr: |
process_memory_map_areas{job=~".+(cortex|ingester.*|store-gateway)"} / process_memory_map_areas_limit{job=~".+(cortex|ingester.*|store-gateway)"} > 0.8
for: 5m
labels:
severity: critical
- name: cortex_wal_alerts
rules:
- alert: CortexWALCorruption
annotations:
message: |
{{ $labels.job }}/{{ $labels.instance }} has a corrupted WAL or checkpoint.
expr: |
increase(cortex_ingester_wal_corruptions_total[5m]) > 0
labels:
severity: critical
- alert: CortexCheckpointCreationFailed
annotations:
message: |
{{ $labels.job }}/{{ $labels.instance }} failed to create checkpoint.
expr: |
increase(cortex_ingester_checkpoint_creations_failed_total[10m]) > 0
labels:
severity: warning
- alert: CortexCheckpointCreationFailed
annotations:
message: |
{{ $labels.job }}/{{ $labels.instance }} is failing to create checkpoint.
expr: |
increase(cortex_ingester_checkpoint_creations_failed_total[1h]) > 1
labels:
severity: critical
- alert: CortexCheckpointDeletionFailed
annotations:
message: |
{{ $labels.job }}/{{ $labels.instance }} failed to delete checkpoint.
expr: |
increase(cortex_ingester_checkpoint_deletions_failed_total[10m]) > 0
labels:
severity: warning
- alert: CortexCheckpointDeletionFailed
annotations:
message: |
{{ $labels.instance }} is failing to delete checkpoint.
expr: |
increase(cortex_ingester_checkpoint_deletions_failed_total[2h]) > 1
labels:
severity: critical
- name: cortex-provisioning
rules:
- alert: CortexProvisioningMemcachedTooSmall
annotations:
message: |
Chunk memcached cluster is too small, should be at least {{ printf "%.2f" $value }}GB.
expr: |
(
4 *
sum by (cluster, namespace) (cortex_ingester_memory_series * cortex_ingester_chunk_size_bytes_sum / cortex_ingester_chunk_size_bytes_count)
/ 1e9
)
>
(
sum by (cluster, namespace) (memcached_limit_bytes{job=~".+/memcached"}) / 1e9
)
for: 15m
labels:
severity: warning
- alert: CortexProvisioningTooManyActiveSeries
annotations:
message: |
Too many active series for ingesters, add more ingesters.
expr: |
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avg by (cluster, namespace) (cortex_ingester_memory_series) > 1.6e6
and
sum by (cluster, namespace) (rate(cortex_ingester_received_chunks[1h])) == 0
for: 1h
labels:
severity: warning
- alert: CortexProvisioningTooManyWrites
annotations:
message: |
High QPS for ingesters, add more ingesters.
expr: |
avg by (cluster, namespace) (rate(cortex_ingester_ingested_samples_total[1m])) > 80e3
for: 15m
labels:
severity: warning
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- alert: CortexAllocatingTooMuchMemory
annotations:
message: |
Too much memory being used by {{ $labels.namespace }}/{{ $labels.pod }} - add more ingesters.
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expr: |
(
container_memory_working_set_bytes{container="ingester"}
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/
container_spec_memory_limit_bytes{container="ingester"}
2020-08-12 17:33:36 +00:00
) > 0.5
for: 15m
labels:
severity: warning
- alert: CortexAllocatingTooMuchMemory
annotations:
message: |
Too much memory being used by {{ $labels.namespace }}/{{ $labels.pod }} - add more ingesters.
expr: |
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(
container_memory_working_set_bytes{container="ingester"}
/
container_spec_memory_limit_bytes{container="ingester"}
2020-08-12 17:33:36 +00:00
) > 0.8
for: 15m
labels:
severity: critical
- name: ruler_alerts
rules:
- alert: CortexRulerFailedEvaluations
annotations:
message: |
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Cortex Ruler {{ $labels.instance }} is experiencing {{ printf "%.2f" $value }}% errors for the rule group {{ $labels.rule_group }}.
expr: |
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sum by (cluster, namespace, instance, rule_group) (rate(cortex_prometheus_rule_evaluation_failures_total[1m]))
/
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sum by (cluster, namespace, instance, rule_group) (rate(cortex_prometheus_rule_evaluations_total[1m]))
> 0.01
for: 5m
labels:
severity: warning
- alert: CortexRulerMissedEvaluations
annotations:
message: |
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Cortex Ruler {{ $labels.instance }} is experiencing {{ printf "%.2f" $value }}% missed iterations for the rule group {{ $labels.rule_group }}.
expr: |
2020-07-20 14:43:19 +00:00
sum by (cluster, namespace, instance, rule_group) (rate(cortex_prometheus_rule_group_iterations_missed_total[1m]))
/
2020-07-20 14:43:19 +00:00
sum by (cluster, namespace, instance, rule_group) (rate(cortex_prometheus_rule_group_iterations_total[1m]))
> 0.01
for: 5m
labels:
severity: warning
- alert: CortexRulerFailedRingCheck
annotations:
message: |
{{ $labels.job }} is experiencing {{ printf "%.2f" $value }}% errors when checking the ring for rule group ownership.
expr: |
sum by (cluster, namespace) (rate(cortex_ruler_ring_check_errors_total[5m]))
> 0
for: 1m
labels:
severity: critical
- name: gossip_alerts
rules:
- alert: CortexGossipMembersMismatch
annotations:
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message: '{{ $labels.job }}/{{ $labels.instance }} sees incorrect number of
gossip members.'
expr: |
memberlist_client_cluster_members_count
!= on (cluster, namespace) group_left
sum by (cluster, namespace) (up{job=~".+/(distributor|ingester.*|querier|cortex|ruler)"})
for: 5m
labels:
severity: warning
- name: cortex_blocks_alerts
rules:
- alert: CortexIngesterHasNotShippedBlocks
annotations:
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message: Cortex Ingester {{ $labels.namespace }}/{{ $labels.instance }} has
not shipped any block in the last 4 hours.
expr: |
(min by(namespace, instance) (time() - thanos_objstore_bucket_last_successful_upload_time{job=~".+/ingester.*"}) > 60 * 60 * 4)
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and
(max by(namespace, instance) (thanos_objstore_bucket_last_successful_upload_time{job=~".+/ingester.*"}) > 0)
and
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(max by(namespace, instance) (rate(cortex_ingester_ingested_samples_total[4h])) > 0)
for: 15m
labels:
severity: critical
- alert: CortexIngesterHasNotShippedBlocksSinceStart
annotations:
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message: Cortex Ingester {{ $labels.namespace }}/{{ $labels.instance }} has
not shipped any block in the last 4 hours.
expr: |
(max by(namespace, instance) (thanos_objstore_bucket_last_successful_upload_time{job=~".+/ingester.*"}) == 0)
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and
(max by(namespace, instance) (rate(cortex_ingester_ingested_samples_total[4h])) > 0)
for: 4h
labels:
severity: critical
- alert: CortexIngesterHasUnshippedBlocks
annotations:
message: Cortex Ingester {{ $labels.namespace }}/{{ $labels.instance }} has
compacted a block {{ $value | humanizeDuration }} ago but it hasn't been successfully
uploaded to the storage yet.
expr: |
(time() - cortex_ingester_oldest_unshipped_block_timestamp_seconds > 3600)
and
(cortex_ingester_oldest_unshipped_block_timestamp_seconds > 0)
for: 15m
labels:
severity: critical
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- alert: CortexIngesterTSDBHeadCompactionFailed
annotations:
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message: Cortex Ingester {{ $labels.namespace }}/{{ $labels.instance }} is failing
to compact TSDB head.
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expr: |
rate(cortex_ingester_tsdb_compactions_failed_total[5m]) > 0
for: 15m
labels:
severity: critical
- alert: CortexIngesterTSDBHeadTruncationFailed
annotations:
message: Cortex Ingester {{ $labels.namespace }}/{{ $labels.instance }} is failing
to truncate TSDB head.
expr: |
rate(cortex_ingester_tsdb_head_truncations_failed_total[5m]) > 0
labels:
severity: critical
- alert: CortexIngesterTSDBCheckpointCreationFailed
annotations:
message: Cortex Ingester {{ $labels.namespace }}/{{ $labels.instance }} is failing
to create TSDB checkpoint.
expr: |
rate(cortex_ingester_tsdb_checkpoint_creations_failed_total[5m]) > 0
labels:
severity: critical
- alert: CortexIngesterTSDBCheckpointDeletionFailed
annotations:
message: Cortex Ingester {{ $labels.namespace }}/{{ $labels.instance }} is failing
to delete TSDB checkpoint.
expr: |
rate(cortex_ingester_tsdb_checkpoint_deletions_failed_total[5m]) > 0
labels:
severity: critical
- alert: CortexIngesterTSDBWALTruncationFailed
annotations:
message: Cortex Ingester {{ $labels.namespace }}/{{ $labels.instance }} is failing
to truncate TSDB WAL.
expr: |
rate(cortex_ingester_tsdb_wal_truncations_failed_total[5m]) > 0
labels:
severity: warning
- alert: CortexIngesterTSDBWALCorrupted
annotations:
message: Cortex Ingester {{ $labels.namespace }}/{{ $labels.instance }} got
a corrupted TSDB WAL.
expr: |
rate(cortex_ingester_tsdb_wal_corruptions_total[5m]) > 0
labels:
severity: critical
- alert: CortexIngesterTSDBWALWritesFailed
annotations:
message: Cortex Ingester {{ $labels.namespace }}/{{ $labels.instance }} is failing
to write to TSDB WAL.
expr: |
rate(cortex_ingester_tsdb_wal_writes_failed_total[1m]) > 0
for: 3m
labels:
severity: critical
- alert: CortexQuerierHasNotScanTheBucket
annotations:
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message: Cortex Querier {{ $labels.namespace }}/{{ $labels.instance }} has not
successfully scanned the bucket since {{ $value | humanizeDuration }}.
expr: |
(time() - cortex_querier_blocks_last_successful_scan_timestamp_seconds > 60 * 30)
and
cortex_querier_blocks_last_successful_scan_timestamp_seconds > 0
for: 5m
labels:
severity: critical
- alert: CortexQuerierHighRefetchRate
annotations:
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message: Cortex Queries in {{ $labels.namespace }} are refetching series from
different store-gateways (because of missing blocks) for the {{ printf "%.0f"
$value }}% of queries.
expr: |
100 * (
(
sum by(namespace) (rate(cortex_querier_storegateway_refetches_per_query_count[5m]))
-
sum by(namespace) (rate(cortex_querier_storegateway_refetches_per_query_bucket{le="0"}[5m]))
)
/
sum by(namespace) (rate(cortex_querier_storegateway_refetches_per_query_count[5m]))
)
> 1
for: 10m
labels:
severity: warning
- alert: CortexStoreGatewayHasNotSyncTheBucket
annotations:
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message: Cortex Store Gateway {{ $labels.namespace }}/{{ $labels.instance }}
has not successfully synched the bucket since {{ $value | humanizeDuration
}}.
expr: |
(time() - cortex_bucket_stores_blocks_last_successful_sync_timestamp_seconds{component="store-gateway"} > 60 * 30)
and
cortex_bucket_stores_blocks_last_successful_sync_timestamp_seconds{component="store-gateway"} > 0
for: 5m
labels:
severity: critical
- alert: CortexBucketIndexNotUpdated
annotations:
message: Cortex bucket index for tenant {{ $labels.user }} in {{ $labels.namespace
}} has not been updated since {{ $value | humanizeDuration }}.
expr: |
min by(namespace, user) (time() - cortex_bucket_index_last_successful_update_timestamp_seconds) > 7200
labels:
severity: critical
- alert: CortexTenantHasPartialBlocks
annotations:
message: Cortex tenant {{ $labels.user }} in {{ $labels.namespace }} has {{
$value }} partial blocks.
expr: |
max by(namespace, user) (cortex_bucket_blocks_partials_count) > 0
for: 6h
labels:
severity: warning
- name: cortex_compactor_alerts
rules:
- alert: CortexCompactorHasNotSuccessfullyCleanedUpBlocks
annotations:
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message: Cortex Compactor {{ $labels.namespace }}/{{ $labels.instance }} has
not successfully cleaned up blocks in the last 24 hours.
expr: |
(time() - cortex_compactor_block_cleanup_last_successful_run_timestamp_seconds > 60 * 60 * 24)
and
(cortex_compactor_block_cleanup_last_successful_run_timestamp_seconds > 0)
for: 15m
labels:
severity: critical
- alert: CortexCompactorHasNotSuccessfullyCleanedUpBlocksSinceStart
annotations:
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message: Cortex Compactor {{ $labels.namespace }}/{{ $labels.instance }} has
not successfully cleaned up blocks in the last 24 hours.
expr: |
cortex_compactor_block_cleanup_last_successful_run_timestamp_seconds == 0
for: 24h
labels:
severity: critical
- alert: CortexCompactorHasNotUploadedBlocks
annotations:
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message: Cortex Compactor {{ $labels.namespace }}/{{ $labels.instance }} has
not uploaded any block in the last 24 hours.
expr: |
(time() - thanos_objstore_bucket_last_successful_upload_time{job=~".+/compactor"} > 60 * 60 * 24)
and
(thanos_objstore_bucket_last_successful_upload_time{job=~".+/compactor"} > 0)
for: 15m
labels:
severity: critical
- alert: CortexCompactorHasNotUploadedBlocksSinceStart
annotations:
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message: Cortex Compactor {{ $labels.namespace }}/{{ $labels.instance }} has
not uploaded any block in the last 24 hours.
expr: |
thanos_objstore_bucket_last_successful_upload_time{job=~".+/compactor"} == 0
for: 24h
labels:
severity: critical
- alert: CortexCompactorRunFailed
annotations:
message: |
{{ $labels.job }}/{{ $labels.instance }} failed to run compaction.
expr: |
increase(cortex_compactor_runs_failed_total[2h]) > 1
labels:
severity: critical