[SPARK-19266] Ensure DiskStore properly encrypts cached data on disk.

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Not A Problem
• Affects Version/s: 2.1.0
• Component/s: Spark Core
• Assignee: Unassigned
• Reporter: Marcelo Masiero Vanzin
• Created: 17/Jan/17 23:23
• Updated: 18/Jan/17 19:53
• Resolved: 18/Jan/17 19:53

Description

DiskStore.putBytes() writes serialized RDD data directly to disk, without encrypting (or compressing) it. So any cached blocks that are evicted to disk when using MEMORY_AND_DISK_SER will not be encrypted.