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https://issues.apache.org/jira/browse/HBASE-10526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13905751#comment-13905751
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Jonathan Hsieh commented on HBASE-10526:
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Nick D
bq. I'm not a fan of maintaining both versions of this thing – and especially
not a fan of the new class's name because it confuses the file format version.
bq. Can we instead deprecate the KeyValue version in 0.96, 0.98 and replace it
with the Cell version on trunk?
jimmy
bq. It's better not to simply replace it, which may impact the upgrade path of
some existing old applications. As to the class name, I am open for suggestions.
v2 has HFIleOutputFormat (KV version) deprecated and pointing to
HFileOutputFormat2 (Cell version). I'd be fine if 0.98 and 0.96 had both with
the old KV version deprecated. (I'd argue this is early enough in both branch's
lives and this is a compat problem from 0.94.) I'd also prefer it if trunk
could remove the old version and only have the Cell version.
I think HFileOutputFormat2 is as good as any. We are still writing the same
files out -- just providing a api cleanup.
> Using Cell instead of KeyValue in HFileOutputFormat
> ---------------------------------------------------
>
> Key: HBASE-10526
> URL: https://issues.apache.org/jira/browse/HBASE-10526
> Project: HBase
> Issue Type: Sub-task
> Components: mapreduce
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Attachments: hbase-10526.patch, hbase-10526_v1.1.patch,
> hbase-10526_v2.patch
>
>
> HFileOutputFormat/KeyValueSortReducer use KeyValue. We should deprecate them
> and use Cell instead.
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