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Lars Hofhansl commented on HBASE-12915:
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Small scanning does not make any sense with batching anyway, since batching is
needed for large single rows that we do not want to bring back in a single RPC.
Re-seeking multiple times with the ClientSmallScanner is inefficient in this
case.
+1 to disabling the combination.
Do you want an exception, or just quietly fall back to the normal scanner?
> Disallow small scan with batching
> ---------------------------------
>
> Key: HBASE-12915
> URL: https://issues.apache.org/jira/browse/HBASE-12915
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Ted Yu
> Attachments: 12915-001.txt, 12915-001.txt
>
>
> If user sets batching in Scan object, ClientSmallScanner may return
> unexpected result because data from same row may appear in multiple Result
> objects but ClientSmallScanner considers different Results to correspond to
> different rows.
> Small scan with batching should be disallowed.
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