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https://issues.apache.org/jira/browse/HBASE-5674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13242505#comment-13242505
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stack commented on HBASE-5674:
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@He np. Thanks for the background. On a slightly related note, I was going to
ask if you'd been following Matt's work over in hbase-4676. The compression
factor he gets over there I thought you'd be interested in.
> add support in HBase to overwrite hbase timestamp to a version number during
> major compaction
> ---------------------------------------------------------------------------------------------
>
> Key: HBASE-5674
> URL: https://issues.apache.org/jira/browse/HBASE-5674
> Project: HBase
> Issue Type: Improvement
> Reporter: He Yongqiang
> Assignee: He Yongqiang
>
> Right now, a millisecond-level timestamp is attached to every record.
> In our case, we only need a version number (mostly it will be just zero etc).
> A millisecond timestamp is too heavy to carry. We should add support to
> overwrite it to zero during major compaction.
> KVs before major compaction will remain using system timestamp. And this
> should be configurable, so that we should not mess up if the hbase timestamp
> is specified by application.
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