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https://issues.apache.org/jira/browse/HBASE-5674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13242650#comment-13242650
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Mikhail Bautin edited comment on HBASE-5674 at 4/6/12 9:15 PM:
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Thanks Matt and stack for the point out of 4676. Yeah, we are very very 
interested in the work that is going on HBase-4676.
                
      was (Author: he yongqiang):
    Thanks Matt and stack for the point out of 4676. Yeah, we are very very 
interested in the work that is going on HBase-4767.
                  
> 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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