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https://issues.apache.org/jira/browse/MESOS-4944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15194538#comment-15194538
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Shuai Lin commented on MESOS-4944:
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bq. We can use an empty directory from the container sandbox to act as the
upper layer so that it's writable.
With the same workaround we can also make overlay backend work for images which
has only 1 layer. Currently using the overlay backend means giving up on using
1-layer images like alpine.
> Improve overlay backend so that it's writable
> ---------------------------------------------
>
> Key: MESOS-4944
> URL: https://issues.apache.org/jira/browse/MESOS-4944
> Project: Mesos
> Issue Type: Task
> Reporter: Jie Yu
>
> Currently, the overlay backend will provision a read-only FS. We can use an
> empty directory from the container sandbox to act as the upper layer so that
> it's writable.
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