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https://issues.apache.org/jira/browse/PHOENIX-3118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15501783#comment-15501783
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Lars Hofhansl commented on PHOENIX-3118:
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Generally I would very much discourage to generally increase max result size.

> Increase default value of hbase.client.scanner.max.result.size
> --------------------------------------------------------------
>
>                 Key: PHOENIX-3118
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-3118
>             Project: Phoenix
>          Issue Type: Sub-task
>            Reporter: James Taylor
>             Fix For: 4.9.0, 4.8.2
>
>
> See parent JIRA for a discussion on how to handle partial scan results. An 
> easy workaround would be to increase the 
> {{hbase.client.scanner.max.result.size}} above the default 2MB limit. In 
> combination with this, we could detect in BaseScannerRegionObserver.nextRaw() 
> if partial results are being returned and throw an exception. Silently 
> ignoring this is bad because it can lead to incorrect query results as 
> demonstrated by the parent JIRA.



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