Zhe Zhang created HDFS-8415:
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Summary: Erasure coding: rotated parity placement (RAID5/6)
Key: HDFS-8415
URL: https://issues.apache.org/jira/browse/HDFS-8415
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Zhe Zhang
Assignee: Zhe Zhang
Our current implementation uses fixed internal blocks for parity data, similar
to RAID3. Rotated parity placement like RAID5/6 has interesting tradeoffs that
we should investigate.
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