Selecting series
Select latest sample for series with a given metric name: |
Select * from Kubernetes WHERE series=node_cpu_seconds_total
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Select 5-minute range of samples for series with a given metric name: |
Select * from Kubernetes WHERE series=node_cpu_seconds_total[5m]
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Only series with given label values: |
Select * from Kubernetes WHERE cpu="0" AND mode="idle" AND series=node_cpu_seconds_total
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Complex label matchers: |
Select * from Kubernetes WHERE cpu!="0" AND mode="user|system" AND series=node_cpu_seconds_total
=: Equality !=: Non-equality =: Regex match !~: Negative regex match |
Math between series
Add all equally-labelled series from both sides: |
Select * from Kubernetes where series=node_memory_MemFree_bytes + node_memory_Cached_bytes
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Add series, matching only on the instance and job labels: |
Select job, instance from Kubernetes where metricname=node_memory_MemFree_bytes AND Select job, instance from Kubernetes where metricname=node_memory_Cached_bytes
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Filtering series by value
Only keep series with a sample value greater than a given number: |
Select from kubernetes where metricName=node_filesystem_avail_bytes > 101024*1024
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Only keep series from the left-hand side whose sample values are larger than their right-hand-side matches: |
Select * from kubernetes where go_goroutines > go_threads
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Instead of filtering, return 0 or 1 for each compared series: |
Select * from kubernetes where go_goroutines > bool go_threads
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Match only on specific labels: |
Select * from kubernetes where go_goroutines > bool go_threads group by (job, instance)
Available comparison operators: ==, !=, >, <, >=,<= |
Set operations
Include any label sets that are either on the left or right side: |
Select series, job from kubernetes where =up AND (job="prometheus" or job="node")
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Match only on specific labels: |
Select * from kubernetes where go_goroutines > bool go_threads group by (instance)
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Aggregating over multiple series
Sum over all series: |
Select * from Kubernetes where SUM by (node_filesystem_size_bytes)
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Preserve the instance and job label dimensions: |
Select * from Kubernetes where series=node_filesystem_size_bytes AMD SUM by sum by(job, instance)
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Aggregate away the instance and job label dimensions: |
Select * from Kubernetes where series=node_filesystem_size_bytes AMD SUM by sum without(job, instance)
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Available aggregation operators: sum(), min(), max(), avg(), stddev(), stdvar(), count(), count_values(), group(), bottomk(), topk(), quantile() |
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