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https://issues.apache.org/jira/browse/HBASE-2214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13422355#comment-13422355
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Zhihong Ted Yu commented on HBASE-2214:
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Scan class should be flexible in serializing scan version.
When the older server throws exception, Scan object can downgrade to earlier
scan version and retry.
> Do HBASE-1996 -- setting size to return in scan rather than count of rows --
> properly
> -------------------------------------------------------------------------------------
>
> Key: HBASE-2214
> URL: https://issues.apache.org/jira/browse/HBASE-2214
> Project: HBase
> Issue Type: New Feature
> Reporter: stack
> Fix For: 0.96.0, 0.94.2
>
> Attachments: HBASE-2214-0.94-v2.txt, HBASE-2214-0.94-v3.txt,
> HBASE-2214-0.94.txt, HBASE-2214-v4.txt, HBASE-2214-v5.txt, HBASE-2214-v6.txt,
> HBASE-2214-v7.txt, HBASE-2214_with_broken_TestShell.txt
>
>
> The notion that you set size rather than row count specifying how many rows a
> scanner should return in each cycle was raised over in hbase-1966. Its a
> good one making hbase "regular" though the data under it may vary.
> HBase-1966 was committed but the patch was constrained by the fact that it
> needed to not change RPC interface. This issue is about doing hbase-1966 for
> 0.21 in a clean, unconstrained way.
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