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https://issues.apache.org/jira/browse/HADOOP-12010?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Wang resolved HADOOP-12010.
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Resolution: Not A Problem
Thanks Kai, let's close it out then. I wasn't sure what "Java coder" here
meant, but as long as the native coder and new Java coder are compatible, then
we're in a good spot.
> 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
> Affects Versions: 3.0.0-alpha1
> Reporter: Kai Zheng
> Assignee: Kai Zheng
> Labels: hdfs-ec-3.0-must-do
>
> 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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