Kai Zheng created HADOOP-12010:
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Summary: Inter-operable between Java RS erasure coder and native
RS erasure coder
Key: HADOOP-12010
URL: https://issues.apache.org/jira/browse/HADOOP-12010
Project: Hadoop Common
Issue Type: Sub-task
Reporter: Kai Zheng
Assignee: Kai Zheng
It's natural and desired to support inter-operable between the two implemented
RS raw erasure coders, in other words, data encoded in one coder (like
{{RSRawEncoder}} can be decoded using the other coder (like
{{NativeRSRawDecoder}}. Without this, raw erasure coder will not be transparent
to HDFS data. As such support isn't trivial and involves challenge work because
the two implementations use different encode/decode matrix generation
algorithms, better to have this separately.
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