[HDFS-11416] Refactor out system default erasure coding policy

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha1
• Fix Version/s: 3.0.0-alpha4
• Component/s: erasure-coding
• Labels: hdfs-ec-3.0-nice-to-have
• Target Version/s: 3.0.0-alpha4
• Assignee: Andrew Wang
• Reporter: Andrew Wang
• Created: 14/Feb/17 22:45
• Updated: 03/Mar/17 21:01
• Resolved: 03/Mar/17 04:07

Description

As discussed on HDFS-7859, the system default EC policy is mostly a relic from development when the system only supported a single global policy. Now, we support multiple policies, and the system default policy is mostly used by tests.

We should refactor to remove this concept.