[FLINK-7140] include a UUID/random name into the BlobKey

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.4.0
• Fix Version/s: 1.4.0
• Component/s: Runtime / Coordination, Runtime / Network
• Assignee: Nico Kruber
• Reporter: Nico Kruber
• Created: 10/Jul/17 07:34
• Updated: 16/Oct/17 08:29
• Resolved: 16/Oct/17 07:30

Description

Currently, at the BlobServer, the id of a BLOB is only based on its contents. This may cause issues during cleanup of transient BLOBs with the same content (we don't do ref-counting on a per-blob basis anymore) or at the rare occasion of a hash collision.

Issue Links

• links to: GitHub Pull Request #4359