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From "Duo Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17608) Add suspend support for RawScanResultConsumer
Date Wed, 08 Feb 2017 10:03:41 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15857751#comment-15857751
] 

Duo Zhang commented on HBASE-17608:
-----------------------------------

[~stack] PTAL sir. I think this is the last necessary feature for the async client.

Maybe we could revisit HBASE-16991 to find a propery API to get AsyncConnection, and start
working on HBASE-17008 after this.

Thanks. 

> Add suspend support for RawScanResultConsumer
> ---------------------------------------------
>
>                 Key: HBASE-17608
>                 URL: https://issues.apache.org/jira/browse/HBASE-17608
>             Project: HBase
>          Issue Type: Sub-task
>          Components: asyncclient, Client, scan
>    Affects Versions: 2.0.0
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>             Fix For: 2.0.0
>
>         Attachments: HBASE-17608.patch
>
>
> Now for the AsyncResultScanner, we can only close the scanner if we reach the cache size
limit and open a new scanner later. This will breaks the region level consistency. We should
just stop fetching data and leave the scanner open at RS.



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