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Enable UfsFingerprint to partition between content-related vs metadata-related info

Currently, the UfsFingerprint is a string, which captures the information about a file or directory. However, both metadata info and content info are included in the single string. This means, even if the metadata of a ufs file (owner, mode, etc) changes, the entire file is invalidated.

Instead, we should partition the Fingerprint as 2 components, a metadata component, and a content component. This would allow less-destructive ways to sync between UFS and Alluxio if only a metadata portion changes.

Status

Assignee

David Zhu

Reporter

David Zhu

Components

Fix versions

Affects versions

1.7.1

Priority

Major