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Posted to dev@phoenix.apache.org by "Jeffrey Zhong (JIRA)" <ji...@apache.org> on 2014/11/10 20:15:34 UTC

[jira] [Issue Comment Deleted] (PHOENIX-1428) Keep scanner open on server and pace by client instead of spooling

     [ https://issues.apache.org/jira/browse/PHOENIX-1428?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jeffrey Zhong updated PHOENIX-1428:
-----------------------------------
    Comment: was deleted

(was: Can this work all the cases so that )

> Keep scanner open on server and pace by client instead of spooling
> ------------------------------------------------------------------
>
>                 Key: PHOENIX-1428
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1428
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: James Taylor
>
> Instead of spooling a batch of results for all chunked scans to the client, keep the scan open and pace it through pre-fetching. This will perform much better for a full table scan with a LIMIT = 1, as this case currently will run a scan for every guidepost, each returning a single row.
> [~lhofhansl]



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