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https://issues.apache.org/jira/browse/FLINK-15871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17060037#comment-17060037
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Yang Wang commented on FLINK-15871:
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[~yan234280533] In my opinion, the sidecar container will have their own image
and entrypoint. So that means you could almost do anything you want in the
sidecar container.
> Support to start sidecar container
> ----------------------------------
>
> Key: FLINK-15871
> URL: https://issues.apache.org/jira/browse/FLINK-15871
> Project: Flink
> Issue Type: Sub-task
> Components: Deployment / Kubernetes
> Affects Versions: 1.10.0
> Reporter: Yang Wang
> Priority: Major
> Fix For: 1.11.0
>
>
> >> How does sidecar container work?
> A sidecar container is running beside the Jobmanager and TaskManager
> container. It could be used to collect log or debug some problems. For
> example, when we configure the sidecar container to fluentd and share the
> TaskManager log with volume, then it could be used to upload the logs to
> HDFS, elastic search, etc. Also we could start a sidecar container with
> debugging image which contains lots of tools and help to debug the network
> problems.
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