Managing containers: requirements, options and best practices

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© 2015 Mesosphere, Inc. All Rights Reserved. APACHE MESOS + MARATHON 14 http://mesos.berkeley.edu/mesos_tech_report.pdf Marathon  scheduler Spark  scheduler Spark  executor Marathon  executor Spark  executor Marathon  executor Mesos Agent Mesos Agent Mesos Agent Mesos  Master Standby  Master Standby  Master Framework

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© 2015 Mesosphere, Inc. All Rights Reserved. MARATHON  APP SPEC 15 { "id": "webserver", "cmd": "python3 -m http.server 8080", "cpus": 0.5, "mem": 32.0, "container": { "type": "DOCKER", "docker": { "image": "python:3", "network": "BRIDGE", "portMappings": [ { "containerPort": 8080, "hostPort": 0 } ] } }, "acceptedResourceRoles": [ "slave_public" ], "constraints": [ [ "hostname", "UNIQUE" ] ] }

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© 2015 Mesosphere, Inc. All Rights Reserved. STATEFUL SERVICES 24 # a stateless, centralized service cat /dev/random # a stateless, distributed service http PUT http://1.2.3.4:8080/v2/apps < app.json # a stateful, centralized service echo 'lolwut' > ./some.dat # a stateful, distributed service hadoop fs -put ./some.dat hdfs:///user/me/some.dat

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© 2015 Mesosphere, Inc. All Rights Reserved. 32 Use Marathon, Kubernetes, etc. >>  write your own container manager >>  manually managing containers http://www.cloudtp.com/2015/11/30/docker-container-landscape/

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© 2015 Mesosphere, Inc. All Rights Reserved. 37 WHERE CAN  I LEARN MORE? 37 http://shop.oreilly.com/product/0636920043874.do http://www.oreilly.com/webops-perf/free/kubernetes.csp http://mhausenblas.info/dnsd/toc.pdf

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