Questions tagged [kubernetes-statefulset]

357 questions
0
votes
1 answer

How to update environment variables in a StatefulSet

I wants to update the environment variables in a Kubernetes StatefulSet. I Updated the YAML file and executed $kubectl apply -f my-statefulset.yml, but nothing changed. Then I tried $kubectl scale sts my-statefulset --replicas=0; kubectl scale sts…
Nitish mittal
  • 31
  • 1
  • 5
0
votes
1 answer

Spark Standalone on Kubernetes - application got finished after consecutive master then driver failure

Trying to achieve High Availability of SparkMaster using ZooKeeper with SparkDriver resiliency using metaData checkpoint into GlusterFS. Some Informations : Using Spark 2.2.0 (prebuilt binary) Submitting a streaming app with --deploy-mode cluster…
0
votes
0 answers

Write in Solr during Kubernetes Deployment

I'm trying to deploy Solr Cloud into Kubernetes using StatefulSets. My problem is that if I'm writing into Solr during a rolling update of the statefulset I get errors when I reach the deployment of the solr cluster leader. With just reads I can…
0
votes
1 answer

How to notify POD in statefull set about other PODS in Kubernetes

I was reading the tutorial on deploying a Cassandra ring and zookeeper with statefulsets. What I don't understand is if I decide to add another replica into the statefulset, how do I notify the other PODS that there is another one. What are best…
Martin Kosicky
  • 471
  • 4
  • 12
-1
votes
1 answer

Best practices for sharded services with varying RAM consumption in kubernetes

I have sharded services, where each one have to have its ordinal. Also, each service consume different amount RAM, for example one - 4Gib, another - 20Gib. I would like to roll out these services on kubernates cluster. I thought of using Stateful…
Denis319199
  • 272
  • 1
  • 8
-1
votes
1 answer

Changing MinIO standalone mode to distributed

I have a Kubernetes cluster running on GKE, with minio instance on it, installed using bitnami minio chart. Currently, the minio is operating in standalone mode, as a Deployment with one pod. The problem I'm facing is that every time I want to…
-1
votes
1 answer

Elasticsearch statefulset does not create volumesClaims on rook-cephfs

I am trying to deploy an elasticsearch statfulset and have the storage provisioned by rook-ceph storageclass. The pod is in pending mode because of: Warning FailedScheduling 87s default-scheduler 0/4 nodes are available: 4 pod has unbound…
-1
votes
1 answer

zookeeper statefulset require all instance to manually restart after upgrade

I am running 3 zookeeper kubernetes statefulset for my kafka clusters. Named zookeeper-0 , zookeeper-1, zookeeper-2. And I have liveness probe enabled with ruok command. If any statefulset pod get restarted due to any failures the quorum will fail…
-1
votes
2 answers

Understanding deleting stateful sets

New to k8s. I want to understand, what kubectl delete sts --cascade=false does? If i remove cascade, it deletes the statefulsets pods.
Ankush Ganatra
  • 500
  • 5
  • 23
-2
votes
1 answer

Helm upgrade fails during updates in spec.resources.requests.storage as they are forbidden

I am on EKS 1.24 and using ElasticSearch 6.5.4 helm chart. I followed below steps to make updates to the disk size. volumeClaimTemplates: - metadata: name: elasticsearch-data spec: {{ if and (.Values.enableEncryption) (eq…
-2
votes
2 answers

MinIO Error on distributed Cluster on Kubernetes

i try to deploy MinIO distributed Cluster on Kubernetes , i wrote yaml file in the below link , i got errors logs from the pods , could you please review my yaml and support me for run minio as Cluster MinIO on Kubernetes cluster 4 replicas,…
-3
votes
1 answer

Kubernetes - statefulSet and volume permissions

I am trying to create statefulSet like below where I run init container apply permissions to volume data before I use it in the main container but I get permissions error as below apiVersion: apps/v1 kind: StatefulSet metadata: name:…
Sergei
  • 387
  • 1
  • 6
  • 16
1 2 3
23
24