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Questions tagged [kubernetes]

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-2
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1answer
68 views

How microservices db are updated and sync when scale? [closed]

Scenario: In Case I have MS "MS-1" Orchestration detect high volume Orchestration create additional node with cloned MS "MS-2" "MS-2" get request and update its DB Question : How MS "MS-1" will ...
-4
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0answers
19 views

How Many Containers Form an Application

Does a Kubernetes cluster usually constitute an entire web application, with the nodes, pods, etc. making up the sub-applications/other processes of that application? Basically trying to understand ...
-2
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1answer
42 views

Containers Across Operating systems

Curious how containers are portable across development/testing/cloud environments with no worry needed about the underlying infrastructure. Does the Docker Engine essentially standardize operating ...
0
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0answers
10 views

Applying velero labels using kubernetes operator based on operator-sdk

I am using velero to take backups of my Kubernetes STS/PVCs/PVs, I have an operator (based on operator-sdk written in go) for my cluster, that I am using to apply labels to my CRD. Something that I ...
0
votes
0answers
68 views

How do I cheaply run different-sized same-algorithm workloads in EKS?

Problem Statement I am trying to build a game engine where: The game state exists in Postgres (probably AWS RDS for PostressSQL) The simulation / game state is updated asynchronously by back-end ...
0
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0answers
26 views

Can/should multiple application contexts share a common microservice in a single namespace?

My current employer has a single namespace into which all microservices for all projects are deployed. Projects A, B and C all use microservice x in this common namespace: Rather than each design ...
3
votes
0answers
57 views

Run a job every hour with Lambda or something else?

I am working on a SaaS project that will have a trial when the trial is ending I get a webhook notification when 3 days are remaining. I do some stuff with this and one of the things is I update user....
0
votes
0answers
85 views

How can I economically scale to 100+ instances of my .Net Core app without using 1 container per instance?

Currently I have a .NET core application, which fires up a new thread to hold each customer account. Each thread instance: Is long running for many months or more Holds open SignalR Websockets and ...
-1
votes
1answer
40 views

What happens to network connections to the web app running in a pod, when a pod is down in a Kubernetes node?

Each pod represents single instance of the web application in a node of Kubernetes. Lets say 100 users are signed into a web app like Stackoverflow and connected to Pod1 of NodeA. Pod1 is down now. ...
-5
votes
1answer
94 views

How was industry dealing with containerizations and container orchestration before Docker and Kubernetes? [closed]

Before Kafka, we had RabbitMQ, ActiveMQ etc. Mostly there use to be a something before version, in technology. But What was industry using something similar to Docker and Kubernetes, before they ...
1
vote
1answer
84 views

About databases in docker containers

I'm trying to understand containerized apps and databases and I'm trying to understand the microservice architecture using kubernetes. One thing that I couldn't get my mind convinced is the database ...
0
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0answers
91 views

How can I connect to the kubernetes pods to be able to get a VNC stream?

Our service has an admin panel, from which we need to be able to turn on the VNC stream (for example, via NoVNC) from the selected pod. The administrative panel is outside the Kubernetes cluster. I'm ...
3
votes
0answers
93 views

What are best practices for deploying different configurations per environment in Kubernetes/OpenShift?

Kubernetes provides a very elegant mechanism for managing configuration for pods using ConfigMaps. What's not clear from the documentation is what the recommended practice is for using ConfigMaps to ...