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alerts.libsonnet
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alerts.libsonnet
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{
prometheusAlerts+:: {
groups+: [
{
name: 'tempo_alerts',
rules: [
{
alert: 'TempoRequestLatency',
expr: |||
%s_route:tempo_request_duration_seconds:99quantile{route!~"%s"} > %s
||| % [$._config.group_prefix_jobs, $._config.alerts.p99_request_exclude_regex, $._config.alerts.p99_request_threshold_seconds],
'for': '15m',
labels: {
severity: 'critical',
},
annotations: {
message: |||
{{ $labels.job }} {{ $labels.route }} is experiencing {{ printf "%.2f" $value }}s 99th percentile latency.
|||,
runbook_url: 'https://github.com/grafana/tempo/tree/main/operations/tempo-mixin/runbook.md#TempoRequestLatency',
},
},
{
alert: 'TempoCompactorUnhealthy',
expr: |||
max by (%s) (tempo_ring_members{state="Unhealthy", name="%s", namespace=~"%s"}) > 0
||| % [$._config.group_by_cluster, $._config.jobs.compactor, $._config.namespace],
'for': '15m',
labels: {
severity: 'critical',
},
annotations: {
message: 'There are {{ printf "%f" $value }} unhealthy compactor(s).',
runbook_url: 'https://github.com/grafana/tempo/tree/main/operations/tempo-mixin/runbook.md#TempoCompactorUnhealthy',
},
},
{
alert: 'TempoDistributorUnhealthy',
'for': '15m',
expr: |||
max by (%s) (tempo_ring_members{state="Unhealthy", name="%s", namespace=~"%s"}) > 0
||| % [$._config.group_by_cluster, $._config.jobs.distributor, $._config.namespace],
labels: {
severity: 'warning',
},
annotations: {
message: 'There are {{ printf "%f" $value }} unhealthy distributor(s).',
runbook_url: 'https://github.com/grafana/tempo/tree/main/operations/tempo-mixin/runbook.md#TempoDistributorUnhealthy',
},
},
{
alert: 'TempoCompactionsFailing',
'for': '5m',
expr: |||
sum by (%s) (increase(tempodb_compaction_errors_total{}[1h])) > %s and
sum by (%s) (increase(tempodb_compaction_errors_total{}[5m])) > 0
||| % [$._config.group_by_cluster, $._config.alerts.compactions_per_hour_failed, $._config.group_by_cluster],
labels: {
severity: 'critical',
},
annotations: {
message: 'Greater than %s compactions have failed in the past hour.' % $._config.alerts.compactions_per_hour_failed,
runbook_url: 'https://github.com/grafana/tempo/tree/main/operations/tempo-mixin/runbook.md#TempoCompactionsFailing',
},
},
{
// wait 5m for failed flushes to self-heal using retries
alert: 'TempoIngesterFlushesUnhealthy',
expr: |||
sum by (%s) (increase(tempo_ingester_failed_flushes_total{}[1h])) > %s and
sum by (%s) (increase(tempo_ingester_failed_flushes_total{}[5m])) > 0
||| % [$._config.group_by_cluster, $._config.alerts.flushes_per_hour_failed, $._config.group_by_cluster],
'for': '5m',
labels: {
severity: 'warning',
},
annotations: {
message: 'Greater than %s flush retries have occurred in the past hour.' % $._config.alerts.flushes_per_hour_failed,
runbook_url: 'https://github.com/grafana/tempo/tree/main/operations/tempo-mixin/runbook.md#TempoIngesterFlushesFailing',
},
},
{
// wait 10m for failed flushes to self-heal using retries
alert: 'TempoIngesterFlushesFailing',
expr: |||
sum by (%s) (increase(tempo_ingester_flush_failed_retries_total{}[1h])) > %s and
sum by (%s) (increase(tempo_ingester_flush_failed_retries_total{}[5m])) > 0
||| % [$._config.group_by_cluster, $._config.alerts.flushes_per_hour_failed, $._config.group_by_cluster],
'for': '5m',
labels: {
severity: 'critical',
},
annotations: {
message: 'Greater than %s flush retries have failed in the past hour.' % $._config.alerts.flushes_per_hour_failed,
runbook_url: 'https://github.com/grafana/tempo/tree/main/operations/tempo-mixin/runbook.md#TempoIngesterFlushesFailing',
},
},
{
alert: 'TempoPollsFailing',
expr: |||
sum by (%s) (increase(tempodb_blocklist_poll_errors_total{}[1h])) > %s and
sum by (%s) (increase(tempodb_blocklist_poll_errors_total{}[5m])) > 0
||| % [$._config.group_by_cluster, $._config.alerts.polls_per_hour_failed, $._config.group_by_cluster],
labels: {
severity: 'critical',
},
annotations: {
message: 'Greater than %s polls have failed in the past hour.' % $._config.alerts.polls_per_hour_failed,
runbook_url: 'https://github.com/grafana/tempo/tree/main/operations/tempo-mixin/runbook.md#TempoPollsFailing',
},
},
{
alert: 'TempoTenantIndexFailures',
expr: |||
sum by (%s) (increase(tempodb_blocklist_tenant_index_errors_total{}[1h])) > %s and
sum by (%s) (increase(tempodb_blocklist_tenant_index_errors_total{}[5m])) > 0
||| % [$._config.group_by_cluster, $._config.alerts.polls_per_hour_failed, $._config.group_by_cluster],
labels: {
severity: 'critical',
},
annotations: {
message: 'Greater than %s tenant index failures in the past hour.' % $._config.alerts.polls_per_hour_failed,
runbook_url: 'https://github.com/grafana/tempo/tree/main/operations/tempo-mixin/runbook.md#TempoTenantIndexFailures',
},
},
{
alert: 'TempoNoTenantIndexBuilders',
expr: |||
sum by (%(group_by_tenant)s) (tempodb_blocklist_tenant_index_builder{}) == 0 and
max by (%(group_by_cluster)s) (tempodb_blocklist_length{}) > 0
||| % $._config,
'for': '5m',
labels: {
severity: 'critical',
},
annotations: {
message: 'No tenant index builders for tenant {{ $labels.tenant }}. Tenant index will quickly become stale.',
runbook_url: 'https://github.com/grafana/tempo/tree/main/operations/tempo-mixin/runbook.md#TempoNoTenantIndexBuilders',
},
},
{
alert: 'TempoTenantIndexTooOld',
expr: |||
max by (%s) (tempodb_blocklist_tenant_index_age_seconds{}) > %s
||| % [$._config.group_by_tenant, $._config.alerts.max_tenant_index_age_seconds],
'for': '5m',
labels: {
severity: 'critical',
},
annotations: {
message: 'Tenant index age is %s seconds old for tenant {{ $labels.tenant }}.' % $._config.alerts.max_tenant_index_age_seconds,
runbook_url: 'https://github.com/grafana/tempo/tree/main/operations/tempo-mixin/runbook.md#TempoTenantIndexTooOld',
},
},
{
alert: 'TempoBlockListRisingQuickly',
expr: |||
avg(tempodb_blocklist_length{namespace="%(namespace)s"}) / avg(tempodb_blocklist_length{namespace="%(namespace)s", job=~"$namespace/$component"} offset 7d) > 1.4
||| % { namespace: $._config.namespace },
'for': '15m',
labels: {
severity: 'critical',
},
annotations: {
message: 'Tempo block list length is up 40 percent over the last 7 days. Consider scaling compactors.',
runbook_url: 'https://github.com/grafana/tempo/tree/main/operations/tempo-mixin/runbook.md#TempoBlockListRisingQuickly',
},
},
{
alert: 'TempoBadOverrides',
expr: |||
sum(tempo_runtime_config_last_reload_successful{namespace=~"%s"} == 0) by (%s)
||| % [$._config.namespace, $._config.group_by_job],
'for': '15m',
labels: {
severity: 'warning',
},
annotations: {
message: '{{ $labels.job }} failed to reload overrides.',
runbook_url: 'https://github.com/grafana/tempo/tree/main/operations/tempo-mixin/runbook.md#TempoBadOverrides',
},
},
{
alert: 'TempoUserConfigurableOverridesReloadFailing',
expr: |||
sum by (%s) (increase(tempo_overrides_user_configurable_overrides_reload_failed_total{}[1h])) > %s and
sum by (%s) (increase(tempo_overrides_user_configurable_overrides_reload_failed_total{}[5m])) > 0
||| % [$._config.group_by_cluster, $._config.alerts.user_configurable_overrides_polls_per_hour_failed, $._config.group_by_cluster],
labels: {
severity: 'critical',
},
annotations: {
message: 'Greater than %s user-configurable overides reloads failed in the past hour.' % $._config.alerts.user_configurable_overrides_polls_per_hour_failed,
runbook_url: 'https://github.com/grafana/tempo/tree/main/operations/tempo-mixin/runbook.md#TempoTenantIndexFailures',
},
},
// ingesters
{
alert: 'TempoProvisioningTooManyWrites',
// 30MB/s written to the WAL per ingester max
expr: |||
avg by (%s) (rate(tempo_ingester_bytes_received_total{job=~".+/ingester"}[1m])) / 1024 / 1024 > 30
||| % $._config.group_by_cluster,
'for': '15m',
labels: {
severity: 'warning',
},
annotations: {
message: 'Ingesters in {{ $labels.%s }}/{{ $labels.namespace }} are receiving more data/second than desired, add more ingesters.' % $._config.per_cluster_label,
runbook_url: 'https://github.com/grafana/tempo/tree/main/operations/tempo-mixin/runbook.md#TempoProvisioningTooManyWrites',
},
},
// compactors
{
alert: 'TempoCompactorsTooManyOutstandingBlocks',
expr: |||
sum by (%s) (tempodb_compaction_outstanding_blocks{container="compactor", namespace=~"%s"}) / ignoring(tenant) group_left count(tempo_build_info{container="compactor", namespace=~"%s"}) by (%s) > %d
||| % [$._config.group_by_tenant, $._config.namespace, $._config.namespace, $._config.group_by_cluster, $._config.alerts.outstanding_blocks_warning],
'for': '6h',
labels: {
severity: 'warning',
},
annotations: {
message: "There are too many outstanding compaction blocks in {{ $labels.%s }}/{{ $labels.namespace }} for tenant {{ $labels.tenant }}, increase compactor's CPU or add more compactors." % $._config.per_cluster_label,
runbook_url: 'https://github.com/grafana/tempo/tree/main/operations/tempo-mixin/runbook.md#TempoCompactorsTooManyOutstandingBlocks',
},
},
{
alert: 'TempoCompactorsTooManyOutstandingBlocks',
expr: |||
sum by (%s) (tempodb_compaction_outstanding_blocks{container="compactor", namespace=~"%s"}) / ignoring(tenant) group_left count(tempo_build_info{container="compactor", namespace=~"%s"}) by (%s) > %d
||| % [$._config.group_by_tenant, $._config.namespace, $._config.namespace, $._config.group_by_cluster, $._config.alerts.outstanding_blocks_critical],
'for': '24h',
labels: {
severity: 'critical',
},
annotations: {
message: "There are too many outstanding compaction blocks in {{ $labels.%s }}/{{ $labels.namespace }} for tenant {{ $labels.tenant }}, increase compactor's CPU or add more compactors." % $._config.per_cluster_label,
runbook_url: 'https://github.com/grafana/tempo/tree/main/operations/tempo-mixin/runbook.md#TempoCompactorsTooManyOutstandingBlocks',
},
},
{
alert: 'TempoIngesterReplayErrors',
'for': '5m',
expr: |||
sum by (%s) (increase(tempo_ingester_replay_errors_total{namespace=~"%s"}[5m])) > 0
||| % [$._config.group_by_tenant, $._config.namespace],
labels: {
severity: 'critical',
},
annotations: {
message: 'Tempo ingester has encountered errors while replaying a block on startup in {{ $labels.%s }}/{{ $labels.namespace }} for tenant {{ $labels.tenant }}' % $._config.per_cluster_label,
runbook_url: 'https://github.com/grafana/tempo/tree/main/operations/tempo-mixin/runbook.md#TempoIngesterReplayErrors',
},
},
],
},
],
},
}