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Questions tagged [dcos]

Questions around the DC/OS (Datacenter Operating System). Related tags: [mesos] and [marathon]

DC/OS (Datacenter Operating System) is a distributed operating system that uses Apache Mesos as its distributed systems kernel. It automates resource management, schedules process placement, facilitates inter-process communication, and simplifies the installation and management of distributed services. DC/OS includes a Web UI, a command-line interface (CLI) and a package manager.

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353 questions
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DC/OS Mesos-Master rejoined and causes interruptions on the master agents

I'm having a strange issue today. First of all, every thing was still working fine yesterday when I left the office, but today when I went back to work my DC/OS dashboard showed my that there weren't any services running, or Nodes connected. I've…
Neef Roel
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DCOS Kafka Deployment Stuck on Vagrant Cluster

I am using the latest DCOS release (0.8.0) and spun up a local vagrant cluster with 4 private agent nodes, one public agent node, one master and one boot machine vagrant up m1 a1 a2 a3 a4 p1 boot I then installed kafka with the default…
user1832287
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DC/OS - Distributed services

I recently installed DC / OS ( https://dcos.io/ ) . For now, I use it for testing , so my architecture is composed of: - 1 node Boostrap - 1 Master node - 2 Slave node However, can you explain why DC / OS does not properly distributed services based…
Benjamin Carriou
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DC/OS (mesos/marathon) how set time to start killed instance of aplication

I have install DC/OS (3master and 7slave server - all Centos7) I saw problem - when one of slave server shut down - mesos/marathon start killed instance of application after 5 minutes. For example - I run in mesos/marathon 8 instance simple web…
Arek
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new Spark StreamingContext failes with hdfs errors

I'm using dcos installed via Azure ACS and installed hdfs and spark via dcos tool with default options. Creating a SparkStreamingContext gives: 16/07/22 01:51:04 WARN DFSUtil: Namenode for hdfs remains unresolved for ID nn1. Check your hdfs-site.xml…
navicore
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DCOS: not able to start any service is always shows deploying

Enviornment : DCOS : 1.7 running on vagrant
Rahul Shukla
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HAProxy with docker, consul and mesos, which one to choose?

In a microservice stack that uses docker for container orchestration, consul for service discovery and mesos for container scheduling, there are two services that user facing (with GUI) requiring to be configured with HAProxy for load balancing. The…
Technoshaft
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Mesos failing to deploy container with same spec after destroying initial application

I am using marathon to deploy my containers on mesos cluster. My marathon spec is as { "id": "app-name", "cmd": null, "cpus": 2, "mem": 6500, "disk": 34000, "instances": 1, "container": { "docker": { "image":…
t6nand
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Demystify ssh tunneling into Marathon master and agents

We're running DC/OS + Marathon on an Azure cluster (ACS). I find myself in situations where it would be very helpful to tunnel into the master node and more specifically - agent nodes. Then I'd like to run bash commands against my services (docker…
Alex
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DCOS serverServer responded with an HTTP 'www-authenticate' field of 'oauthjwt', DCOS only supports 'Basic'

I just create new DCOS cluster and trying to run dcos CLI commands. For any commands I got the following error: dcos package list Server responded with an HTTP 'www-authenticate' field of 'oauthjwt', DCOS only supports 'Basic' I check dcos.toml…
Evgeny Vovchenko
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Integration of Hortonworks HDP with Mesos

I have to integrate HDP with Mesos. I don't want to do it with cloudbreak, because it's not a mature project. Is there any other ways you can integrate HDP with Mesos ?
Vishnu Nair
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Spark on DC/OS recover streaming from checkpoint fails

I have a streaming job that runs on DC/OS on AWS. When i run the job for the first time, and specify checkpoint folder to be AWS S3, everything goes well. After I stop it, and start it again, I expect streaming to recover from checkpoint, but I get…
Srdjan Nikitovic
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DC/OS SMACK cluster resource management

I am trying to set DC/OS Spark-Kafka-Cassandra cluster using 1 master and 3 private AWS m3.xlarge instances (each having 4 processors, 15GB RAM). I have questions regarding some strange behaviour I have incurred in the spike I did several days…
Srdjan Nikitovic
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How to transform kubernetes YAML file into DC/OS JSON

I have to deploy a Kubernetes YAML file to DC/OS marathon. I haven't found how to transform Kubernetes YAML into JSON used on DC/OS, especially since there are YAMLs of various kinds, for example: DaemonSet, Service, PersistentVolume, StatefulSet,…
strangedeveloper
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Does OpenEBS support or has any plugin for DCOS or MESOS?

Apart from kubernetes, I was wondering whether OpenEBS works on DCOS or MESOS? Or OpenEBS has any plugin support for them?
Chandan Sagar Pradhan
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