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https://issues.apache.org/jira/browse/HBASE-10288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13868094#comment-13868094
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Andrew Purtell commented on HBASE-10288:
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bq. It can be done using tags, but we may not want the overhead given that it
will be in many KVs, so it might require HFileFormat vN+1
Only a minor version increment should be necessary.
> make mvcc an (optional) part of KV serialization
> ------------------------------------------------
>
> Key: HBASE-10288
> URL: https://issues.apache.org/jira/browse/HBASE-10288
> Project: HBase
> Issue Type: Improvement
> Components: HFile
> Reporter: Sergey Shelukhin
> Priority: Minor
>
> This has been suggested in HBASE-10241. Mvcc can currently be serialized in
> HFile, but the mechanism is... magical. We might want to make it a part of
> proper serialization of the KV. It can be done using tags, but we may not
> want the overhead given that it will be in many KVs, so it might require
> HFileFormat vN+1. Regardless, the external mechanism would need to be
> removed while also preserving backward compat.
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