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84 lines
3.8 KiB
YAML
84 lines
3.8 KiB
YAML
groups:
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- name: presto-alerts
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rules:
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- alert: PrestoHighInsufficientResources
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annotations:
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description: The number of insufficient resource failures on {{$labels.instance}}
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is {{ printf "%.0f" $value }} which is greater than the threshold of 0.
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summary: The amount of failures that are occurring due to insufficient resources
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are scaling, causing saturation in the system.
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expr: |
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increase(presto_QueryManager_InsufficientResourcesFailures_TotalCount[5m]) > 0
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for: 5m
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labels:
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severity: critical
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- alert: PrestoHighTaskFailuresWarning
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annotations:
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description: The number of task failures on {{$labels.instance}} is {{ printf
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"%.0f" $value }} which is above the threshold of 0.
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summary: The amount of tasks that are failing is increasing, this might affect
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query processing and could result in incomplete or incorrect results.
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expr: |
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increase(presto_TaskManager_FailedTasks_TotalCount[5m]) > 0
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for: 5m
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labels:
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severity: warning
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- alert: PrestoHighTaskFailuresCritical
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annotations:
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description: The number of task failures on {{$labels.instance}} is {{ printf
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"%.0f" $value }} which is above the threshold of 30%s.
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summary: The amount of tasks that are failing has reached a critical level.
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This might affect query processing and could result in incomplete or incorrect
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results.
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expr: |
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increase(presto_TaskManager_FailedTasks_TotalCount[5m]) / clamp_min(increase(presto_TaskManager_FailedTasks_TotalCount[10m]), 1) * 100 > 30
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for: 5m
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labels:
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severity: critical
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- alert: PrestoHighQueuedTaskCount
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annotations:
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description: The number of queued tasks on {{$labels.instance}} is {{ printf
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"%.0f" $value }} which is greater than the threshold of 5
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summary: The amount of tasks that are being put in queue is increasing. A high
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number of queued tasks can lead to increased query latencies and degraded
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system performance.
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expr: |
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increase(presto_QueryExecution_Executor_QueuedTaskCount[5m]) > 5
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for: 5m
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labels:
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severity: warning
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- alert: PrestoHighBlockedNodes
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annotations:
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description: The number of blocked nodes on {{$labels.instance}} is {{ printf
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"%.0f" $value }} which is greater than the threshold of 0
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summary: The amount of nodes that are blocked due to memory restrictions is
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increasing. Blocked nodes can cause performance degradation and resource starvation.
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expr: |
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increase(presto_ClusterMemoryPool_general_BlockedNodes[5m]) > 0
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for: 5m
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labels:
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severity: critical
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- alert: PrestoHighFailedQueriesWarning
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annotations:
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description: The number of failed queries on {{$labels.instance}} is {{ printf
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"%.0f" $value }} which is greater than the threshold of 0
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summary: The amount of queries failing is increasing. Failed queries can prevent
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users from accessing data, disrupt analytics processes, and might indicate
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underlying issues with the system or data.
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expr: |
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increase(presto_QueryManager_FailedQueries_TotalCount[5m]) > 0
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for: 5m
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labels:
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severity: warning
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- alert: PrestoHighFailedQueriesCritical
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annotations:
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description: The number of failed queries on {{$labels.instance}} is {{ printf
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"%.0f" $value }} which is greater than the threshold of 30%s.
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summary: The amount of queries failing has increased to critical levels. Failed
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queries can prevent users from accessing data, disrupt analytics processes,
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and might indicate underlying issues with the system or data.
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expr: |
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increase(presto_QueryManager_FailedQueries_TotalCount[5m]) / clamp_min(increase(presto_QueryManager_FailedQueries_TotalCount[10m]), 1) * 100 > 30
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for: 5m
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labels:
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severity: critical
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