kubeflow/spark-operator

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Kubernetes operator for managing the lifecycle of Apache Spark applications on Kubernetes.

Stars: 3.2k
Forks: 1.5k
Open beginner issues: 0
Indexed issues: 76
Avg merge: 5d 10h
Merged PRs (30d): 13

Dominant language: Python
License: Apache-2.0
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 18, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue help wanted

Beginner friendly Everything

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76 open issues indexed

Request: Include memory parsing case-sensitivity fix in next release (v2.5.3 / v2.6.0) Open

kind/feature

Difficulty 4/5 3-5 days Newbie friendliness 42/100

kubeflow/spark-operator#3176 · 1 comment · Opened Sep 17, 2026
[Bug]: ScheduledSparkApplication permanently stuck in FailedValidation after fixing invalid spec Open

kind/bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

kubeflow/spark-operator#3174 · 1 comment · Opened Sep 16, 2026
Support externally managed filesystem certificates for the webhook Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

kubeflow/spark-operator#3165 · 1 comment · Opened Sep 13, 2026
Remove `pkg/util/interrupt.go` Open

Difficulty 1/5 Under an hour Newbie friendliness 92/100

kubeflow/spark-operator#3161 · Opened Sep 12, 2026
Define update semantics for SparkApplication and SparkConnect specs Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

kubeflow/spark-operator#3151 · Opened Sep 7, 2026
Relevance of spark version in SparkApplication and SparkConnect CRD Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

kubeflow/spark-operator#3149 · 2 comments · Opened Sep 7, 2026
Support operator flag to inject labels/annotations on Spark pods Open

kind/feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

kubeflow/spark-operator#3148 · Opened Sep 7, 2026
Document our findings for addressing CVEs in Spark base image Open

kubeflow/spark-operator#3143 · 1 comment · 1 assignee · Opened Sep 4, 2026
feat(webhook): Newly created executor pods do not inherit updated labels when a running SparkApplication's metadata labels are changed Open

kind/feature

Difficulty 3/5 1-2 days Newbie friendliness 72/100

kubeflow/spark-operator#3139 · 1 comment · Opened Sep 3, 2026
Replace fail-fast mechanism with error aggregation in webhook validation Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

kubeflow/spark-operator#3133 · Opened Sep 1, 2026
Use CEL validation on the CRD schema Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

kubeflow/spark-operator#3132 · Opened Sep 1, 2026
Use Kubernetes structured validation machinery in webhook validators Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

kubeflow/spark-operator#3131 · Opened Sep 1, 2026
Migrate off `gen-crd-api-reference-docs` Open

kind/feature

Difficulty 5/5 Over a week Newbie friendliness 38/100

kubeflow/spark-operator#3130 · Opened Aug 31, 2026
Webhook Validation for SparkApplication dynamic allocation Open

good first issue help wanted

kubeflow/spark-operator#3127 · 3 comments · 1 assignee · Opened Aug 30, 2026
Support Gateway API HTTPRoute for the Spark UI, next to the existing Ingress Open

kubeflow/spark-operator#3119 · 7 comments · 1 assignee · Opened Aug 25, 2026
SparkConnect `spec.server.cores` resolution at runtime Open

kind/bug

kubeflow/spark-operator#3112 · 8 comments · 1 assignee · Opened Aug 23, 2026
Enable kubeflow/spark-operator repository in Coveralls Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

kubeflow/spark-operator#3089 · 1 comment · Opened Aug 9, 2026
Restore test coverage reporting to Kubeflow standards Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

kubeflow/spark-operator#3076 · 2 comments · Opened Aug 7, 2026
Automatically merge Dependabot security updates Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

kubeflow/spark-operator#3074 · 4 comments · 1 reaction · Opened Aug 7, 2026
Automate supported Spark versions and publish a Spark image matrix Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

kubeflow/spark-operator#3075 · 7 comments · Opened Aug 7, 2026
Fix Spark Connect container argumenets construction Open

kind/bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

kubeflow/spark-operator#3072 · 8 comments · 2 reactions · Opened Aug 6, 2026
Helm hook Job cannot run under restricted Pod Security admission Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

kubeflow/spark-operator#3070 · 7 comments · Opened Aug 6, 2026
Automate release process Open

kind/feature

kubeflow/spark-operator#3063 · 4 comments · 1 reaction · 1 assignee · Opened Jul 31, 2026
Fenced, progress-preserving driver restarts Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

kubeflow/spark-operator#3040 · 2 comments · Opened Jul 12, 2026
How to specify the runtimeClassName in the v1beta2 API of Spark Operator Open

kind/feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

kubeflow/spark-operator#3026 · 4 comments · Opened Jul 2, 2026
Update the Spark Operator roadmap Open

Difficulty 2/5 1-3 hours Newbie friendliness 63/100

kubeflow/spark-operator#3023 · 1 comment · Opened Jun 30, 2026
Server-side authorization for spec.sparkConf keys Open

kind/feature

kubeflow/spark-operator#3006 · 4 comments · 3 reactions · 1 assignee · Opened Jun 23, 2026
Improve SparkConnect readiness semantics and status conditions for reliable SDK/client connection Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

kubeflow/spark-operator#2994 · 1 comment · Opened Jun 21, 2026
Use RequeueAfter after instead of Requeue Open

kind/bug

Difficulty 3/5 1-2 days Newbie friendliness 48/100

kubeflow/spark-operator#2991 · 1 comment · Opened Jun 18, 2026
Make variable expansion behavior consistent between SparkApplication and SparkConnect Open

kind/feature

Difficulty 5/5 Over a week Newbie friendliness 42/100

kubeflow/spark-operator#2989 · 3 comments · Opened Jun 16, 2026
Create a Dedicated Website for Kubeflow Spark Operator Open

kind/feature

kubeflow/spark-operator#2987 · 8 comments · 8 reactions · 1 assignee · Opened Jun 12, 2026
Encountering error "argument list too long" while starting processes in pods, due to too many environment variables for k8s services "*-ui-svc" Open

kind/bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

kubeflow/spark-operator#2984 · 3 comments · Opened Jun 11, 2026
Provide a declarative signal before dynamic scaling. Open

kind/feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

kubeflow/spark-operator#2983 · 3 comments · 2 reactions · Opened Jun 11, 2026
[FEATURE] REST-based Spark submitter service as pluggable alternative to spark-submit CLI Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

kubeflow/spark-operator#2972 · 13 comments · 1 reaction · Opened Jun 2, 2026
[Spark Connect] Known Bugs Open

kind/bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

kubeflow/spark-operator#2967 · 1 comment · Opened May 29, 2026
Validate spec.concurrencyPolicy, history limits, and Spec.Template at ScheduledSparkApplication admission Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

kubeflow/spark-operator#2964 · 2 comments · 4 reactions · Opened May 28, 2026
[FEATURE] Reject configured URL schemes in spec.sparkConf at admission Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

kubeflow/spark-operator#2963 · 3 comments · 3 reactions · Opened May 28, 2026
Workload Aware Scheduling for Spark Jobs on Kubernetes Open

kind/feature

kubeflow/spark-operator#2962 · 4 comments · 10 reactions · 2 assignees · Opened May 28, 2026
Executor pods are not cascade-deleted when driver pod is deleted Open

kind/bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

kubeflow/spark-operator#2961 · 5 comments · Opened May 28, 2026
Add CI parity matrix for modern Spark features (4.x, Connect, Comet, Gluten, executor-resize) Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

kubeflow/spark-operator#2960 · 4 comments · Opened May 27, 2026
Add a `Dependencies` field to `SparkConnectSpec` for structured JAR/package management Open

good first issue help wanted kind/feature

Difficulty 3/5 1-2 days Newbie friendliness 66/100

kubeflow/spark-operator#2959 · 5 comments · 1 reaction · Opened May 27, 2026
Support GPU resources in the SparkConnect CRD Open

good first issue help wanted kind/feature

kubeflow/spark-operator#2958 · 6 comments · 1 reaction · 2 assignees · Opened May 27, 2026
Support physical CPU request/limit in the SparkConnect CRD Open

kind/feature

kubeflow/spark-operator#2957 · 4 comments · 2 reactions · 1 assignee · Opened May 27, 2026
`SparkConnect` Lifecycle Management Open

kind/feature

kubeflow/spark-operator#2927 · 2 comments · 2 reactions · 1 assignee · Opened Apr 30, 2026
Webhook namespace selector based on labels Open

kind/feature

Difficulty 4/5 3-5 days Newbie friendliness 52/100

kubeflow/spark-operator#2913 · 3 comments · Opened Apr 14, 2026
SparkApplication can get stuck in PENDING_RERUN because retry reconciliation does not requeue when cleanup is incomplete Open

kind/bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

kubeflow/spark-operator#2905 · 8 comments · Opened Apr 8, 2026
Support `managedBy` field on `SparkApplication` for integration with MultiKueue Open

kind/feature

kubeflow/spark-operator#2879 · 3 comments · 4 reactions · 1 assignee · Opened Mar 15, 2026
Support DRA Open

kind/feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

kubeflow/spark-operator#2858 · 7 comments · 4 reactions · Opened Mar 2, 2026
Restart of Spark Operator may Result in Duplicated Submission Open

kind/bug lifecycle/stale

kubeflow/spark-operator#2788 · 8 comments · 2 reactions · 1 assignee · Opened Dec 22, 2025
Introduce SparkCluster CRD to Deploy Spark Standalone Clusters on Kubernetes Open

kind/feature

kubeflow/spark-operator#2744 · 6 comments · 9 reactions · 1 assignee · Opened Nov 20, 2025

kubeflow/spark-operator

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