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HDDS-6188: EC: Adapt java side native coder classes from hadoop. #3046

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merged 4 commits into from Feb 22, 2022

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umamaheswararao
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What changes were proposed in this pull request?

Taken the Native Integration of Java side classes with fallback coder support from hadoop. When native coders not available, it will fallback to java.

What is the link to the Apache JIRA

https://issues.apache.org/jira/browse/HDDS-6188

How was this patch tested?

There are tests added to verify the behavior and also integrated with Ozone EC IO streams.

@fapifta
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fapifta commented Feb 17, 2022

HI @umamaheswararao

thank you for taking this one on. As I went through the changes I have run into a few things that turned out to be something that I don't like in the original implementation either.
I believe it is good to keep this as close to the hadoop implementation as possible, so I think we are fine.
I haven't gone through it line by line, but in general things look good, tests seems to be reasonably adjusted as well.

LGTM, +!.

@umamaheswararao
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Thanks @fapifta for reviewing it. I have just rebased to make sure this is not introducing checkstyle issues. It's not introduced any new ones by my local run.

You may want to approve above?

@umamaheswararao umamaheswararao merged commit 1d23619 into apache:HDDS-3816-ec Feb 22, 2022
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