Jason Lowe created YARN-8784:
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Summary: DockerLinuxContainerRuntime prevents access to
distributed cache entries on a full disk
Key: YARN-8784
URL: https://issues.apache.org/jira/browse/YARN-8784
Project: Hadoop YARN
Issue Type: Bug
Components: nodemanager
Affects Versions: 3.1.1, 3.2.0
Reporter: Jason Lowe
DockerLinuxContainerRuntime bind mounts the filecache and usercache directories
into the container to allow tasks to access entries in the distributed cache.
However it only bind mounts directories on disks that are considered good, and
disks that are full or bad are not in that list. If a container tries to run
with a distributed cache entry that has been previously localized to a disk
that is now considered full/bad, the dist cache directory will _not_ be
bind-mounted into the container's filesystem namespace. At that point any
symlinks in the container's current working directory that point to those disks
will reference invalid paths.
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