Files
GitOps/spark-cluster/base/master.yaml
T
Janis Eccarius 710e2ec308 fix(spark): lower memory requests to fix scheduling on resource-constrained nodes
Scheduler uses requests (not limits) for placement. Previous 1Gi requests
per pod caused Insufficient memory even with plenty of physical RAM.
New requests: master 256Mi, workers 256Mi, history-server 128Mi.
Limits unchanged. SPARK_WORKER_MEMORY reduced to 512m to match worker budget.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-06-16 20:02:02 +02:00

63 lines
1.4 KiB
YAML
Executable File

apiVersion: apps/v1
kind: Deployment
metadata:
name: spark-master
labels:
app.kubernetes.io/name: spark-master
app.kubernetes.io/part-of: nowchess
spec:
replicas: 1
selector:
matchLabels:
app.kubernetes.io/name: spark-master
template:
metadata:
labels:
app.kubernetes.io/name: spark-master
app.kubernetes.io/part-of: nowchess
spec:
containers:
- name: spark-master
image: apache/spark:3.5.4-scala2.13-java17-ubuntu
command:
- /opt/spark/bin/spark-class
- org.apache.spark.deploy.master.Master
ports:
- name: cluster
containerPort: 7077
- name: webui
containerPort: 8080
resources:
requests:
cpu: 200m
memory: 256Mi
limits:
cpu: "1"
memory: 2Gi
volumeMounts:
- name: spark-events
mountPath: /spark-events
volumes:
- name: spark-events
persistentVolumeClaim:
claimName: spark-events
---
apiVersion: v1
kind: Service
metadata:
name: spark-master
labels:
app.kubernetes.io/name: spark-master
app.kubernetes.io/part-of: nowchess
spec:
selector:
app.kubernetes.io/name: spark-master
ports:
- name: cluster
port: 7077
targetPort: cluster
- name: webui
port: 8080
targetPort: webui
type: ClusterIP