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Pre-compute aggregations to optimize scaling recording rules #284

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Mar 31, 2021
Merged

Pre-compute aggregations to optimize scaling recording rules #284

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5148498
Pre-compute aggregations to optimize scaling recording rules
pracucci Mar 30, 2021
4b917af
Removed 5m step from subquery
pracucci Mar 31, 2021
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78 changes: 51 additions & 27 deletions cortex-mixin/recording_rules.libsonnet
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Original file line number Diff line number Diff line change
Expand Up @@ -197,6 +197,30 @@ local utils = import 'mixin-utils/utils.libsonnet';
)
|||,
},
{
// Convenience rule to get the CPU utilization for both a deployment and a statefulset.
record: 'cluster_namespace_deployment:container_cpu_usage_seconds_total:sum_rate',
expr: |||
sum by (cluster, namespace, deployment) (
label_replace(
node_namespace_pod_container:container_cpu_usage_seconds_total:sum_rate,
"deployment", "$1", "pod", "(.*)-(?:([0-9]+)|([a-z0-9]+)-([a-z0-9]+))"
)
)
|||,
},
{
// Convenience rule to get the CPU request for both a deployment and a statefulset.
record: 'cluster_namespace_deployment:kube_pod_container_resource_requests_cpu_cores:sum',
expr: |||
sum by (cluster, namespace, deployment) (
label_replace(
kube_pod_container_resource_requests_cpu_cores,
"deployment", "$1", "pod", "(.*)-(?:([0-9]+)|([a-z0-9]+)-([a-z0-9]+))"
)
)
|||,
},
{
// Jobs should be sized to their CPU usage.
// We do this by comparing 99th percentile usage over the last 24hrs to
Expand All @@ -209,20 +233,32 @@ local utils = import 'mixin-utils/utils.libsonnet';
ceil(
cluster_namespace_deployment:actual_replicas:count
*
quantile_over_time(0.99,
sum by (cluster, namespace, deployment) (
label_replace(
node_namespace_pod_container:container_cpu_usage_seconds_total:sum_rate,
"deployment", "$1", "pod", "(.*)-(?:([0-9]+)|([a-z0-9]+)-([a-z0-9]+))"
)
)[24h:5m]
)
quantile_over_time(0.99, cluster_namespace_deployment:container_cpu_usage_seconds_total:sum_rate[24h:5m])
/
sum by (cluster, namespace, deployment) (
label_replace(
kube_pod_container_resource_requests_cpu_cores,
"deployment", "$1", "pod", "(.*)-(?:([0-9]+)|([a-z0-9]+)-([a-z0-9]+))"
)
cluster_namespace_deployment:kube_pod_container_resource_requests_cpu_cores:sum
)
|||,
},
{
// Convenience rule to get the Memory utilization for both a deployment and a statefulset.
record: 'cluster_namespace_deployment:container_memory_usage_bytes:sum',
expr: |||
sum by (cluster, namespace, deployment) (
label_replace(
container_memory_usage_bytes,
"deployment", "$1", "pod", "(.*)-(?:([0-9]+)|([a-z0-9]+)-([a-z0-9]+))"
)
)
|||,
},
{
// Convenience rule to get the Memory request for both a deployment and a statefulset.
record: 'cluster_namespace_deployment:kube_pod_container_resource_requests_memory_bytes:sum',
expr: |||
sum by (cluster, namespace, deployment) (
label_replace(
kube_pod_container_resource_requests_memory_bytes,
"deployment", "$1", "pod", "(.*)-(?:([0-9]+)|([a-z0-9]+)-([a-z0-9]+))"
)
)
|||,
Expand All @@ -239,21 +275,9 @@ local utils = import 'mixin-utils/utils.libsonnet';
ceil(
cluster_namespace_deployment:actual_replicas:count
*
quantile_over_time(0.99,
sum by (cluster, namespace, deployment) (
label_replace(
container_memory_usage_bytes,
"deployment", "$1", "pod", "(.*)-(?:([0-9]+)|([a-z0-9]+)-([a-z0-9]+))"
)
)[24h:5m]
)
quantile_over_time(0.99, cluster_namespace_deployment:container_memory_usage_bytes:sum[24h:5m])
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Ditto here.

/
sum by (cluster, namespace, deployment) (
label_replace(
kube_pod_container_resource_requests_memory_bytes,
"deployment", "$1", "pod", "(.*)-(?:([0-9]+)|([a-z0-9]+)-([a-z0-9]+))"
)
)
cluster_namespace_deployment:kube_pod_container_resource_requests_memory_bytes:sum
)
|||,
},
Expand Down