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groups:
- name: elasticsearch
rules:
- record: elasticsearch_filesystem_data_used_percent
expr: 100 * (elasticsearch_filesystem_data_size_bytes - elasticsearch_filesystem_data_free_bytes)
/ elasticsearch_filesystem_data_size_bytes
- record: elasticsearch_filesystem_data_free_percent
expr: 100 - elasticsearch_filesystem_data_used_percent
- alert: ElasticsearchTooFewNodesRunning
expr: elasticsearch_cluster_health_number_of_nodes < 3
for: 5m
labels:
severity: critical
annotations:
description: There are only {{$value}} < 3 Elasticsearch nodes running
summary: Elasticsearch running on less than 3 nodes
- alert: ElasticsearchHeapTooHigh
expr: elasticsearch_jvm_memory_used_bytes{area="heap"} / elasticsearch_jvm_memory_max_bytes{area="heap"}
> 0.9
for: 15m
labels:
severity: critical
annotations:
description: The heap usage is over 90% for 15m
summary: Elasticsearch node {{$labels.node}} heap usage is high
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