[HADOOP-11566] Add tests and fix for erasure coders to recover erased parity units

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: HDFS-7285
• Target Version/s: HDFS-7285
• Hadoop Flags: Reviewed
• Assignee: Kai Zheng
• Reporter: Kai Zheng
• Created: 09/Feb/15 22:51
• Updated: 30/Sep/15 19:37
• Resolved: 13/May/15 07:09

Description

Discussing with Zhe Zhang in HADOOP-11542: it's planned to have follow up a JIRA to enhance the tests for parity chunks as well. Like erasedDataIndexes, erasedParityIndexes will be added to specify which parity units are to be erased and recovered then.

Issue Links

• depends upon: HADOOP-11920 Refactor some codes for erasure coders
• depends upon: HADOOP-11921 Enhance tests for erasure coders