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https://issues.apache.org/jira/browse/HBASE-18489?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang updated HBASE-18489:
------------------------------
    Attachment: HBASE-18489-v1.patch

Do a copy every time when create a scan cursor in StoreScanner. Store the last 
scan cursor in RegionScannerHolder and set it into the newly created 
ScannerContext to avoid setting a less scan cursor.

> Expose scan cursor in RawScanResultConsumer
> -------------------------------------------
>
>                 Key: HBASE-18489
>                 URL: https://issues.apache.org/jira/browse/HBASE-18489
>             Project: HBase
>          Issue Type: Sub-task
>          Components: asyncclient, Client, scan
>    Affects Versions: 2.0.0-alpha-1
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>             Fix For: 2.0.0-alpha-2
>
>         Attachments: HBASE-18489.patch, HBASE-18489-v1.patch
>
>
> The first step of supporting scan cursor for async client.



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