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Posted to issues@drill.apache.org by "Chris Westin (JIRA)" <ji...@apache.org> on 2015/05/08 20:12:02 UTC

[jira] [Updated] (DRILL-2996) ValueVectors shouldn't call reAlloc() in a while() loop

     [ https://issues.apache.org/jira/browse/DRILL-2996?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Westin updated DRILL-2996:
--------------------------------
    Assignee: Hanifi Gunes  (was: Daniel Barclay (Drill))

> ValueVectors shouldn't call reAlloc() in a while() loop
> -------------------------------------------------------
>
>                 Key: DRILL-2996
>                 URL: https://issues.apache.org/jira/browse/DRILL-2996
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Data Types
>            Reporter: Chris Westin
>            Assignee: Hanifi Gunes
>
> Instead, reAlloc() should be change to take a "new minimum size" as an argument. This value is just the value used to determine the while loops' termination. Then reAlloc() can figure out how much more to allocate once and for all, instead of possibly reallocating and copying more than once, and it can make sure that the size doesn't overflow (we've seen some instances of the allocator being called with negative sizes).



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