[jira] [Updated] (HBASE-17168) Use a cell as the start point of a scan internally

["Andrew Kyle Purtell (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-17168?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Kyle Purtell updated HBASE-17168:
----------------------------------------
    Fix Version/s:     (was: 3.0.0-alpha-3)

> Use a cell as the start point of a scan internally
> --------------------------------------------------
>
>                 Key: HBASE-17168
>                 URL: https://issues.apache.org/jira/browse/HBASE-17168
>             Project: HBase
>          Issue Type: Improvement
>          Components: Client, Scanners
>            Reporter: Duo Zhang
>            Priority: Major
>
> Mainly for restart a scan when error. For now, the logic for reverse scan is not stable. You can see the ConnectionUtils.createClosestRowBefore. we just append some 0xFF to the end of a key. This works for most time but theoretically we could have a row between the given row and the 'closest row before'.
> So here I propose we use a cell as the start point of a scan internally as we can use createFirstOnRow or createLastOnRow to bettr control the restart point.



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