Chaitanya Mukka created HADOOP-15558:
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Summary: Implementation of Clay Codes plugin (Coupled Layer MSR
codes)
Key: HADOOP-15558
URL: https://issues.apache.org/jira/browse/HADOOP-15558
Project: Hadoop Common
Issue Type: New Feature
Reporter: Chaitanya Mukka
[Clay Codes|https://www.usenix.org/conference/fast18/presentation/vajha] are
new erasure codes developed as a research project at Codes and Signal Design
Lab, IISc Bangalore. A particular Clay code, with storage overhead 1.25x, has
been shown to reduce repair network traffic, disk read and repair times by
factors of 2.9, 3.4 and 3 respectively compared to the RS codes with the same
parameters.
This Jira aims to introduce Clay Codes to HDFS-EC as one of the pluggable
erasure codec.
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