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https://issues.apache.org/jira/browse/HBASE-12859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14281677#comment-14281677
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Lars Hofhansl edited comment on HBASE-12859 at 1/18/15 7:22 AM:
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v3 also implements what's described in the previous comment.
Please comment on the usefulness of the API, I'll not continue any further
until somebody confirms it's useful to them.
was (Author: lhofhansl):
v3 also implements what's described in the previous comment.
Please comment on the usefulness of the API, I'll continue until somebody
confirms it's useful to them.
> Major compaction completion tracker
> -----------------------------------
>
> Key: HBASE-12859
> URL: https://issues.apache.org/jira/browse/HBASE-12859
> Project: HBase
> Issue Type: Brainstorming
> Reporter: Lars Hofhansl
> Attachments: 12859-v1.txt, 12859-v2.txt, 12859-v3.txt,
> 12859-wip-UNFINISHED.txt
>
>
> In various scenarios it is helpful to know a guaranteed timestamp up to which
> all data in a table was major compacted.
> We can do that keeping a major compaction timestamp in META.
> A client then can iterate all region of a table and find a definite
> timestamp, which is the oldest compaction timestamp of any of the regions.
> [~apurtell], [~ghelmling], [~giacomotaylor].
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