Allow Alluxio to use UFS as a fallback storage tier if there isn't enough space available.

Description

It is possible that if a user is trying to write blocks to their Alluxio cluster that the cluster can run out of available space to store the user's information. This may occur for a variety of reasons, but we should do our best to complete a users' write request without failing. This feature aims to use a cluster's configured UFS as additional storage for blocks when Alluxio memory tier runs out of space. This feature is optional and may be enabled via configuration.

Environment

None

Status

Assignee

Zac Blanco

Reporter

Zac Blanco

Labels

None

Components

Fix versions

Affects versions

1.8.0

Priority

Major
Configure