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https://issues.apache.org/jira/browse/HBASE-5674?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell closed HBASE-5674.
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> 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
> Priority: Major
>
> 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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