59,816 questions
Tooling
0
votes
2
replies
40
views
KM Worker vs KM Master node [ is I can have pods in KM Master ? ]
I am newbie to Kubernetes.
Upto what I know a Virtual Machine or a actual Computer Machine can be configured as Kubernetes node and node can have several pod
Being said we can configure Kubernetes ...
Best practices
0
votes
2
replies
36
views
Can we control the total resouces used by Spark with its Kubernetes operator?
We are currently planning a migration to Kubernetes with our Spark applications.
Until this point we used a standalone cluster where we submitted multiple applications, with dynamic resource ...
- 1,506
-7
votes
0
answers
79
views
Intermittent 502/504 errors in Kubernetes (Traefik + FastAPI/Uvicorn), worse under load spikes [closed]
I have a FastAPI service running on Kubernetes behind Traefik ingress (Previously had Nginx but the issue is consistent).
Setup
FastAPI (Uvicorn, ~8 workers)
Kubernetes limits: 500m CPU / 1Gi memory
...
- 267
0
votes
0
answers
61
views
How do I run Apache Superset as application with already running ClickHouse server on OpenShift cluster [closed]
I want to run Apache Superset while connected to a ClickHouse server that is already running as an application in a separate pod. How do I setup Superset for simple BI purpose in an airgapped (no ...
- 160
0
votes
0
answers
65
views
oauth2-proxy with Keycloak and ingress-nginx returns "csrf cookie not found" after successful authentication [closed]
We have 3 hosts added in the Windows hosts file for local setup:
127.0.0.1 fastapi.test
127.0.0.1 auth.test
127.0.0.1 keycloak.test
Environment
OS:
Windows
Kubernetes:
Docker Desktop Kubernetes ...
- 11
-3
votes
2
answers
146
views
helm create secret from parsing external ini file
I need to create secret from external INI file content by parsing the keys and values from the file without the section. For example, with the following secret file,
apiVersion: v1
kind: Secret
type: ...
- 4,370
Best practices
0
votes
6
replies
114
views
Spark Structured Streaming from many S3 buckets with different customer credentials and schemas
have a Spark-on-Kubernetes ingestion use case and I’m trying to understand the right design for Spark Structured Streaming.
Each customer has their own S3 bucket and their own credentials. Inside each ...
-3
votes
1
answer
88
views
Kubernetes + Longhorn: New worker node joined but workloads not scheduled (only system pods running) [closed]
I have a Kubernetes cluster using Longhorn for storage. I recently joined a new worker node to the cluster, and all prerequisites for Longhorn appear to be satisfied on that node.
However, I’m facing ...
Best practices
0
votes
2
replies
102
views
Spring gRPC multiple channels in Kubernetes
I am looking for best practices on how to implement horizontal architecture with the latest Spring gRPC [1] in Kubernetes.
In my Kubernetes cluster, I have one main service, which connects to multiple ...
- 71
0
votes
0
answers
109
views
AKS deployment consistently fail due to readiness probe status code 500
While we are doing the recent deployment testing on one of our .NET code implementation over a web application, we found that the readiness probe consistently starts to fail with code 500.
Here is the ...
- 59
Best practices
1
vote
1
replies
118
views
Docker Project: A to Z process step by step
Would you recommend any free complete project has been created using docker which I can practice to learn in detail? I looked various sources but found limited resources like half or magnetic part of ...
- 1
1
vote
1
answer
65
views
Handling Unexpected Disconnects in DLMS
I am using the Gurux DLMS pyton client inside a Kubernetes pod to connect to a DLMS meter using HLS SHA256 authentication.
The client is able to successfully establish a connection and read data from ...
2
votes
1
answer
165
views
Getting a list of events for a pod as it starts
I have a TypeScript front-end which uses a Python 3.11 back-end to launch Docker images into a Kubernetes cluster (using kubernetes 29.3.0). As part of that process, it calls an API to get the status ...
- 943
5
votes
0
answers
349
views
How can I both fetch all Kubernetes objects as a snapshot and stream changes?
I'm trying to figure out the "right" way to monitor for changes on a Kubernetes API server when I also need to maintain a snapshot of existing objects.
I need my code to know when it has ...
- 15.4k
-1
votes
1
answer
51
views
Set daemonset environment variable value based on node label value [closed]
Suppose a node with label grafana-map= and my container requires environment variable key INSTANCE=
I expect kind like this...
- name: INSTANCE
valueFrom:
fieldRef:
...
- 1,278
