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https://issues.apache.org/jira/browse/HBASE-5241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13208777#comment-13208777
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Amitanand Aiyer commented on HBASE-5241:
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@Lars. I see your point. Its definitely debatable, weather timestamp is
something that should be exposed to the client (to control) or something that
should be considered an internal detail (so mess up at your risk).
We do have applications that control timestamp; so we might need this
(internally at least). Not sure if that is the only one in use, or there are
more.
Wrt the WALs. In the current codebase, I believe that we do not write
memstoreTS. But, that can be fixed if needed.
> Deletes should not mask Puts that come after it.
> ------------------------------------------------
>
> Key: HBASE-5241
> URL: https://issues.apache.org/jira/browse/HBASE-5241
> Project: HBase
> Issue Type: Improvement
> Reporter: Amitanand Aiyer
> Attachments: HBASE-5241.D1731.1.patch
>
>
> Suppose that we have a delete row, and then followed by the put. The delete
> row
> can mask the put, unless there was a major compaction in between.
> Now that we are flushing the memstoreTS to disk, along with the KVs, we
> should be able
> to differentiate whether or not the Put happened after the Delete and offer
> better
> delete semantics.
> Couldn't find a pre-existing JIRA that already discusses this, so creating
> one.
> Seems related to https://issues.apache.org/jira/browse/HBASE-2406, but is not
> quite the same.
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