Questions tagged [kubernetes]
KUBERNETES QUESTIONS MUST BE SPECIFICALLY RELATED TO SOFTWARE DEVELOPMENT. Configuration and deployment is off-topic here. A good rule of thumb is, if it happens outside the pod, it's probably off-topic - DevOps Stack Exchange or Server Fault may be more appropriate. If it's about code running inside the pod, it's probably OK.
kubernetes
19,756
questions with no upvoted or accepted answers
25
votes
4
answers
4k
views
Kubernetes Autoscaling not recognizing Heapster
I have a kubernetes cluster that I'm trying to build from scratch without using their build scripts. Pretty much everything is working except for autoscaling. For some reason the control-manager can't ...
- 7,781
14
votes
1
answer
3k
views
Multipass VM not reachable via specific http ports from host
I'm running an Ubuntu VM with multipass hyperkit do run microk8s. Within the VM all things checkout and available with skaffold/kubectl port forwarding. For instance:
$ multipass list
Name ...
- 2,024
12
votes
0
answers
416
views
C# .NET 6 - simple SQL query to read one single (large) record takes forever when run is K8S pod, instantaneous when run in IIS
I have a simple table in SQL Server:
CREATE TABLE [dbo].[MyTable]
(
[Ticket] [uniqueidentifier] NOT NULL,
[UserID] [int] NOT NULL,
[Progress] [int] NOT NULL,
[Created] [datetime2](7) ...
- 2,082
12
votes
0
answers
4k
views
Deploying bitnami/mysql helm chart with an existing Persistence Volume Claim
I'm trying to deploy bitnami/mysql chart inside my minikube.
I'm using Kubernetes v1.19, Minikube v1.17.1 and Helm 3
I've created a PVC and PV as follow:
kind: PersistentVolumeClaim
apiVersion: v1
...
- 709
12
votes
2
answers
3k
views
Change platform for kubernetes when pulling image
I am using an Apple M1, writing a Kubernetes YAML file to pull and deploy the image confluentinc/cp-zookeeper:6.2.4 the problem is, I cannot pull the image due to the difference in CPU architecture
...
- 123
11
votes
0
answers
1k
views
How to configure Apache Tika in a kube environment to obtain maximum throughput when parsing a massive number of documents?
I am attempting to Tika parse dozens of millions of office documents. Pdfs, docs, excels, xmls, etc. Wide assortment of types.
Throughput is very important. I need to be able parse these files in a ...
- 10.5k
11
votes
2
answers
912
views
Istio Distributed Tracing shows just 1 span
I'm following this guide, with Zipkin.
I have 3 microservices involed, A -> B -> C, I'm propagating headers from A to B and from B to C.
But in the Zipkin dashboard I only see entries for A ->...
- 3,899
10
votes
2
answers
2k
views
How can I get CoreDNS to resolve on my Raspberry Pi Kubernetes cluster?
I've followed a number of online tutorials to set up a Kubernetes cluster on four Raspberry Pi 4s. I ended up using Flannel as the networking plugin as that seems to be the only one that actually ...
- 9,827
10
votes
1
answer
519
views
How to define a service label for a kubernetes service running on GKE
I am creating a kubernetes cluster to host a service and added an internal load balancer to route traffic between my VM Instances and the kubernetes cluster. I want to add a service label to the load ...
- 715
10
votes
1
answer
1k
views
Monitoring Kubernetes Pod Disk IOPS: is there any relevant exporter?
I have a bunch of statefulset applications notably Kafka Brokers, and Kafka Stream client application, including some DB, all deployed in Kubernetes. I would like to be able to build a grafana ...
- 9,694
10
votes
1
answer
1k
views
Run glusterfs cluster using DaemonSet
I've been trying to run a glusterfs cluster on my kubernetes cluster using those:
glusterfs-service.json
{
"kind": "Service",
"apiVersion": "v1",
"metadata": {
"name": "glusterfs-cluster"
...
- 677
10
votes
2
answers
4k
views
The metrics of kubectl top nodes is not correct?
I try to get CPU/Memory usage of the k8s Cluster Nodes via metrics-server API, but I found the returned values of metrics-server is lower than actual used CPU/Memory.
The output of kubectl top ...
- 577
10
votes
3
answers
3k
views
K8s NodePort service is “unreachable by IP” only on 2/4 slaves in the cluster
I created a K8s cluster of 5 VMs (1 master and 4 slaves running Ubuntu 16.04.3 LTS) using kubeadm. I used flannel to set up networking in the cluster. I was able to successfully deploy an application. ...
- 944
9
votes
0
answers
1k
views
How to find the root cause of spontaneous restarts of Puma Worker?
From time to time on my RoR API service I can see that requests are being interrupted in the middle of processing. Simply the Puma server stops processing the request and right after I can see message ...
- 327
9
votes
0
answers
3k
views
Capture Kubernetes Spark driver and executor logs in S3 and view in History Server
I am running Spark 3.0.0 with Hadoop 2.7 on Kubernetes using spark-submit cli as following,
./spark-submit \
--master=k8s://https://api.k8s.my-domain.com \
--deploy-mode cluster \
--name sparkle \
--...
- 387