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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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Chronos can't run a private Docker container

I'm playing on localhost with a DC/OS installation. While everything works fine, I can't seem to run a docker image located inside a private repo. I'm using python to communicate with chronos: @celery.task(name='add-job', soft_time_limit=5) def…
Romeo Mihalcea
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DCOS with IPv6 only

I am installing DCOS ver 1.8.7 on CentOS7 using IPv6 networks in CLI mode, getting following bold error -- [root@dcos-bootstrap centos]# ./dcos_generate_config.sh --genconf ====> EXECUTING CONFIGURATION GENERATION Generating configuration…
Ista Ranjan Samanta
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Why does a Spark Application launch with only a single executor on DC/OS?

I have Spark installed, but when I launch, there is always only one executor allocated to the application (and that is the driver one). I’ve tried everything, but haven’t been able to find out why this is happening. Here’s the command I used to…
chbh
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1 answer

DC/OS service development with Akka

First of all, I'm new to DC/OS ... I installed DC/OS locally with Vagrant, everything worked fine. Then I installed Cassandra, Spark and I think to understand the container concept with Docker, so far so good. Now it's time to develop an Akka…
Simon
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Are service addresses available to the dc/os host OS?

I’m trying to have my dc/os 1.8 docker containers send log messages to a logstash that is also running in dc/os by using the service address of the logstash service. that doesn’t appear to work as docker throws an error:…
Laures
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Autoscaling DC/OS agents on AWS

We have DC/OS running on AWS with a fixed number of master nodes and agent nodes as part of a POC. However, we'd like to have the cluster (agent nodes) autoscale according to load. So far, we've been unable to find any information about scaling on…
urover
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Unable to install dcos-cli on Mac OSX

DCOS provides the following installation command to install the cli tool: mkdir -p dcos && cd dcos && curl -O https://downloads.dcos.io/dcos-cli/install.sh && bash ./install.sh . https://mydomain.co && source ./bin/env-setup However, when I run…
pkout
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Installing a marathon group as a DCOS package

We are trying to create our own DCOS package to install our application, we created our own universe and host it in S3, we created all the necessary files for the DCOS package(config.json, package.json, marathon.json.mustache) and the index is…
acalderon
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DC/OS - Dashboard showing 0 connected nodes

After restarting my 3 masters in my DC/OS cluster, the DC/OS dashboard is showing 0 connected nodes. However from the DC/OS cli I see all 6 of my agent nodes: $ dcos node HOSTNAME IP ID 172.16.1.20 172.16.1.20 …
ndachel
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2 answers

Can't start Confluent 2.0 (apache-kafka) Schema-Registry in DC/OS

DC/OS doesn't run Schema-registry and Rest-Proxy components of confluent 2.0. I've launched Confluent 2 that contains the apache-kafka package in DC/OS 1.7 via Marathon, see also the Marathon app spec. As I understand, Marathon runs…
Hryhorii Liashenko
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1 answer

how to create persistence volume using mesos DCOS and marathon

While using the following command: $ dcos marathon app add example.json I receive the output Error: Object is not valid example.json { "id": "es-cluster", "env": { "MARATHON_URL": "http://127.0.0.1:8080", "APP_ID": "es-cluster", …
barznik
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Spark submit using mesos dcos cli

I'm trying to start a spark streaming job on mesos using the DCOS cli. I'm able to start the job. My program expects a config file to be passed as cli parameter. How do I achieve this with dcos spark run --submit-args? I tried --files…
Cheeko
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Mesos DCOS doesn't install Kafka

I'm trying to install Kafka on Mesos. Installation seems to have succeeded. vagrant@DevNode:/dcos$ dcos package install kafka This will install Apache Kafka DCOS Service. Continue installing? [yes/no] yes Installing Marathon app for package [kafka]…
Cheeko
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POD Definition - Deploying to DC/OS

I'm new to DC/OS and I have been really struggling trying to deploy a POD. I have tried the simple examples provided in the documentation but the deployments remain stuck in the deploying stage. There are plenty of resources available so that is…
Tone
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unable to access helloworld App deployed using DCOS Marathon in Azure

I have deployed a hello world application in Azure using DCOS and Marathon Framework.I am trying to access that using fqn: portnumber at which the application is hosted. I am unable to open the application Following is the json I have used { …
Sumanth Itha
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