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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8849) CellCodec should write and read the memstoreTS/mvccVersion
Date Tue, 02 Jul 2013 09:59:22 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13697651#comment-13697651

ramkrishna.s.vasudevan commented on HBASE-8849:

Should memstoreTS be part of the Cell implementation?  Or it should continue the current way
where we would write the memstoreTS after the each cell?
In that case when we try to read the Cell we should have a provision to set the memStoreTS
to the cell?  Till the underlying format of cell remains KeyValue this may not be needed as
KeyValue will have the setter for the memstoreTS.
Pls provide your suggestion on this.
> CellCodec should write and read the memstoreTS/mvccVersion
> ----------------------------------------------------------
>                 Key: HBASE-8849
>                 URL: https://issues.apache.org/jira/browse/HBASE-8849
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.95.1
>            Reporter: ramkrishna.s.vasudevan
>            Assignee: ramkrishna.s.vasudevan
>              Labels: keyvalue
>             Fix For: 0.98.0
> This JIRA is wrt discussion over in HBASE-8496.
> Cell interface and the corresponding CellCodec provides a new way of serializing the
> Cell interface supports getMvccVersion() and the javadoc says it could be > 0 if it
exists or 0 otherwise.
> But we don't tend to write/read the memstoreTS/mvccVersion in the Cell codec.

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