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https://issues.apache.org/jira/browse/ACCUMULO-1566?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Elser resolved ACCUMULO-1566.
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Resolution: Fixed
> Add ability for client to start Scanner readahead immediately
> -------------------------------------------------------------
>
> Key: ACCUMULO-1566
> URL: https://issues.apache.org/jira/browse/ACCUMULO-1566
> Project: Accumulo
> Issue Type: Improvement
> Components: client
> Reporter: Josh Elser
> Assignee: Josh Elser
> Fix For: 1.6.0
>
>
> When the client cares about getting results in sorted order, the
> BatchScanner, as nice as it is, is mostly irrelevant.
> One interesting property of the Scanner is that it will begin to pre-fetch
> more results after the 3rd batch of results has been fetched from the server.
> Clients may have an idea of the number of records that will be returned by a
> scan, and thus will have an idea about how they want to control such a
> readahead. It would be nice to allow the client to control after how many
> batches the readahead thread starts.
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