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https://issues.apache.org/jira/browse/YARN-7973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16414451#comment-16414451
]
Shane Kumpf commented on YARN-7973:
-----------------------------------
[~eyang] Thanks for taking a look. You can use the following yarnfile to
trigger a relaunch.
{code:java}
{
"name":"test-centos7",
"version":"0.1",
"lifetime":"3600",
"components":[
{
"name":"centos7",
"number_of_containers":1,
"artifact":{
"id":"library/centos:7",
"type":"DOCKER"
},
"launch_command":"sleep 20; /bad_command",
"resource":{
"cpus":2,
"memory":"1024"
}
}
]
}
{code}
> Support ContainerRelaunch for Docker containers
> -----------------------------------------------
>
> Key: YARN-7973
> URL: https://issues.apache.org/jira/browse/YARN-7973
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Shane Kumpf
> Assignee: Shane Kumpf
> Priority: Major
> Attachments: YARN-7973.001.patch, YARN-7973.002.patch
>
>
> Prior to YARN-5366, {{container-executor}} would remove the Docker container
> when it exited. The removal is now handled by the
> {{DockerLinuxContainerRuntime}}. {{ContainerRelaunch}} is intended to reuse
> the workdir from the previous attempt, and does not call {{cleanupContainer}}
> prior to {{launchContainer}}. The container ID is reused as well. As a
> result, the previous Docker container still exists, resulting in an error
> from Docker indicating the a container by that name already exists.
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