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ramkrishna.s.vasudevan commented on HBASE-18649:
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bq. lets not expose non public classes/interfaces here
Here we are not exposing it for the user to configure. Only the
io.serializations are actually exposed. Which includes "KVSerailization".
Generally the mapper's output value class are not configurable whereas we
directly set them if the user tries to use it.
Since KV is private then we should expose only the interface Cell then as it is
public. But again am not sure if Mappers work with interfaces alone and do they
need concrete implementations as the type?
> Deprecate KV Usage in MR to move to Cells in 3.0
> ------------------------------------------------
>
> Key: HBASE-18649
> URL: https://issues.apache.org/jira/browse/HBASE-18649
> Project: HBase
> Issue Type: Improvement
> Components: mapreduce
> Affects Versions: 2.0.0-alpha-2
> Reporter: ramkrishna.s.vasudevan
> Assignee: ramkrishna.s.vasudevan
> Fix For: 2.0.0, 3.0.0, 2.1.0
>
>
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