From b6717db03813a55967d19267b06ee2c2593cc6d2 Mon Sep 17 00:00:00 2001
From: "Yauheni Rykhter (EPAM)" <yauheni_rykhter@epam.com>
Date: Tue, 18 Feb 2025 18:20:29 +0000
Subject: [PATCH] Gonrg 10592 indexer autoscaling
---
devops/gc/deploy/README.md | 22 +++++-----
devops/gc/deploy/templates/hpa.yaml | 62 +++++++++++++++++++++++------
devops/gc/deploy/values.yaml | 18 +++++----
3 files changed, 74 insertions(+), 28 deletions(-)
diff --git a/devops/gc/deploy/README.md b/devops/gc/deploy/README.md
index a49f0b569..711c492e3 100644
--- a/devops/gc/deploy/README.md
+++ b/devops/gc/deploy/README.md
@@ -84,16 +84,20 @@ First you need to set variables in **values.yaml** file using any code editor. S
| Name | Description | Type | Default | Required |
|-----------------------------------------------------|-------------------------------------------------------------------------------|---------|----------------|----------------------------------------------------------------|
-| **hpa.minReplicas** | minimum number of replicas | integer | 6 | only if `global.autoscaling` is true and `global.tier` is PROD |
-| **hpa.maxReplicas** | maximum number of replicas | integer | 15 | only if `global.autoscaling` is true and `global.tier` is PROD |
-| **hpa.targetType** | type of measurements: AverageValue or Value | string | "AverageValue" | only if `global.autoscaling` is true and `global.tier` is PROD |
-| **hpa.targetValue** | threshold value to trigger the scaling up | integer | 80 | only if `global.autoscaling` is true and `global.tier` is PROD |
-| **hpa.behaviorScaleUpStabilizationWindowSeconds** | time to start implementing the scale up when it is triggered | integer | 10 | only if `global.autoscaling` is true and `global.tier` is PROD |
-| **hpa.behaviorScaleUpPoliciesValue** | the maximum number of new replicas to create (in percents from current state) | integer | 50 | only if `global.autoscaling` is true and `global.tier` is PROD |
-| **hpa.behaviorScaleUpPoliciesPeriodSeconds** | pause for every new scale up decision | integer | 15 | only if `global.autoscaling` is true and `global.tier` is PROD |
+| **hpa.minReplicas** | minimum number of replicas | integer | 6 | only if `global.autoscaling` is true and `global.tier` is PROD |
+| **hpa.maxReplicas** | maximum number of replicas | integer | 15 | only if `global.autoscaling` is true and `global.tier` is PROD |
+| **hpa.pubsubTargetType** | type of measurements: AverageValue | string | "AverageValue" | only if `global.autoscaling` is true and `global.tier` is PROD |
+| **hpa.pubsubTargetValue** | threshold value to trigger the scaling up | integer | 50 | only if `global.autoscaling` is true and `global.tier` is PROD |
+| **hpa.cpuTargetType** | type of measurements: Utilization | string | "Utilization" | only if `global.autoscaling` is true and `global.tier` is PROD |
+| **hpa.cpuTargetValue** | threshold value to trigger the scaling up | integer | 70 | only if `global.autoscaling` is true and `global.tier` is PROD |
+| **hpa.memoryTargetType** | type of measurements: Utilization | string | "Utilization" | only if `global.autoscaling` is true and `global.tier` is PROD |
+| **hpa.memoryTargetValue** | threshold value to trigger the scaling up | integer | 70 | only if `global.autoscaling` is true and `global.tier` is PROD |
+| **hpa.behaviorScaleUpStabilizationWindowSeconds** | time to start implementing the scale up when it is triggered | integer | 60 | only if `global.autoscaling` is true and `global.tier` is PROD |
+| **hpa.behaviorScaleUpPoliciesValue** | the maximum number of new replicas to create (in percents from current state) | integer | 1 | only if `global.autoscaling` is true and `global.tier` is PROD |
+| **hpa.behaviorScaleUpPoliciesPeriodSeconds** | pause for every new scale up decision | integer | 120 | only if `global.autoscaling` is true and `global.tier` is PROD |
| **hpa.behaviorScaleDownStabilizationWindowSeconds** | time to start implementing the scale down when it is triggered | integer | 60 | only if `global.autoscaling` is true and `global.tier` is PROD |
-| **hpa.behaviorScaleDownPoliciesValue** | the maximum number of replicas to destroy (in percents from current state) | integer | 25 | only if `global.autoscaling` is true and `global.tier` is PROD |
-| **hpa.behaviorScaleDownPoliciesPeriodSeconds** | pause for every new scale down decision | integer | 60 | only if `global.autoscaling` is true and `global.tier` is PROD |
+| **hpa.behaviorScaleDownPoliciesValue** | the maximum number of replicas to destroy (in percents from current state) | integer | 1 | only if `global.autoscaling` is true and `global.tier` is PROD |
+| **hpa.behaviorScaleDownPoliciesPeriodSeconds** | pause for every new scale down decision | integer | 120 | only if `global.autoscaling` is true and `global.tier` is PROD |
### Limits variables
diff --git a/devops/gc/deploy/templates/hpa.yaml b/devops/gc/deploy/templates/hpa.yaml
index 3cda953f2..0dca0a867 100644
--- a/devops/gc/deploy/templates/hpa.yaml
+++ b/devops/gc/deploy/templates/hpa.yaml
@@ -12,31 +12,69 @@ spec:
minReplicas: {{ .Values.hpa.minReplicas }}
maxReplicas: {{ .Values.hpa.maxReplicas }}
metrics:
- - type: External
- external:
+ - external:
metric:
- name: istio.io|service|server|request_count
+ name: pubsub.googleapis.com|subscription|num_undelivered_messages
selector:
matchLabels:
- metric.labels.destination_workload_name: {{ .Values.conf.appName | quote }}
+ resource.labels.subscription_id: indexer-records-changed
target:
- type: {{ .Values.hpa.targetType | quote }}
- {{- if eq .Values.hpa.targetType "AverageValue" }}
- averageValue: {{ .Values.hpa.targetValue }}
- {{- else if eq .Values.hpa.targetType "Value" }}
- value: {{ .Values.hpa.targetValue }}
- {{- end }}
+ type: {{ .Values.hpa.pubsubTargetType | quote }}
+ averageValue: {{ .Values.hpa.pubsubTargetValue }}
+ type: External
+ - external:
+ metric:
+ name: pubsub.googleapis.com|subscription|num_undelivered_messages
+ selector:
+ matchLabels:
+ resource.labels.subscription_id: indexer-reindex
+ target:
+ type: {{ .Values.hpa.pubsubTargetType | quote }}
+ averageValue: {{ .Values.hpa.pubsubTargetValue }}
+ type: External
+ - external:
+ metric:
+ name: pubsub.googleapis.com|subscription|num_undelivered_messages
+ selector:
+ matchLabels:
+ resource.labels.subscription_id: indexer-reprocess
+ target:
+ type: {{ .Values.hpa.pubsubTargetType | quote }}
+ averageValue: {{ .Values.hpa.pubsubTargetValue }}
+ type: External
+ - external:
+ metric:
+ name: pubsub.googleapis.com|subscription|num_messages_received
+ selector:
+ matchLabels:
+ resource.labels.subscription_id: indexer-schema-changed
+ target:
+ type: {{ .Values.hpa.pubsubTargetType | quote }}
+ averageValue: {{ .Values.hpa.pubsubTargetValue }}
+ type: External
+ - resource:
+ name: cpu
+ target:
+ type: {{ .Values.hpa.cpuTargetType | quote }}
+ averageUtilization: {{ .Values.hpa.cpuTargetValue }}
+ type: Resource
+ - resource:
+ name: memory
+ target:
+ type: {{ .Values.hpa.memoryTargetType | quote }}
+ averageUtilization: {{ .Values.hpa.memoryTargetValue }}
+ type: Resource
behavior:
scaleUp:
stabilizationWindowSeconds: {{ .Values.hpa.behaviorScaleUpStabilizationWindowSeconds }}
policies:
- - type: Percent
+ - type: Pods
value: {{ .Values.hpa.behaviorScaleUpPoliciesValue }}
periodSeconds: {{ .Values.hpa.behaviorScaleUpPoliciesPeriodSeconds }}
scaleDown:
stabilizationWindowSeconds: {{ .Values.hpa.behaviorScaleDownStabilizationWindowSeconds }}
policies:
- - type: Percent
+ - type: Pods
value: {{ .Values.hpa.behaviorScaleDownPoliciesValue }}
periodSeconds: {{ .Values.hpa.behaviorScaleDownPoliciesPeriodSeconds }}
{{- end }}
diff --git a/devops/gc/deploy/values.yaml b/devops/gc/deploy/values.yaml
index a0bd52703..e0865d492 100644
--- a/devops/gc/deploy/values.yaml
+++ b/devops/gc/deploy/values.yaml
@@ -47,14 +47,18 @@ istio:
hpa:
minReplicas: 6
maxReplicas: 15
- targetType: "AverageValue"
- targetValue: 340 #200rps*0.85.*2
- behaviorScaleUpStabilizationWindowSeconds: 10
- behaviorScaleUpPoliciesValue: 50
- behaviorScaleUpPoliciesPeriodSeconds: 15
+ pubsubTargetType: AverageValue
+ pubsubTargetValue: 50
+ cpuTargetType: Utilization
+ cpuTargetValue: 70
+ memoryTargetType: Utilization
+ memoryTargetValue: 70
+ behaviorScaleUpStabilizationWindowSeconds: 60
+ behaviorScaleUpPoliciesValue: 1
+ behaviorScaleUpPoliciesPeriodSeconds: 120
behaviorScaleDownStabilizationWindowSeconds: 60
- behaviorScaleDownPoliciesValue: 25
- behaviorScaleDownPoliciesPeriodSeconds: 60
+ behaviorScaleDownPoliciesValue: 1
+ behaviorScaleDownPoliciesPeriodSeconds: 120
limits:
maxTokens: 200 #rps
--
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