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Posted to dev@sqoop.apache.org by "Sai Karthik Ganguru (JIRA)" <ji...@apache.org> on 2014/10/29 00:03:36 UTC

[jira] [Updated] (SQOOP-1125) Out of memory errors when number of records to import < 0.5 * splitSize

     [ https://issues.apache.org/jira/browse/SQOOP-1125?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sai Karthik Ganguru updated SQOOP-1125:
---------------------------------------
    Attachment: SQOOP-1125.patch

Added test cases for this patch as requested.

> Out of memory errors when number of records to import < 0.5 * splitSize
> -----------------------------------------------------------------------
>
>                 Key: SQOOP-1125
>                 URL: https://issues.apache.org/jira/browse/SQOOP-1125
>             Project: Sqoop
>          Issue Type: Bug
>    Affects Versions: 1.4.3
>            Reporter: Dave Kincaid
>            Assignee: Sai Karthik Ganguru
>            Priority: Critical
>              Labels: newbie
>         Attachments: SQOOP-1125.patch, Sqoop-1125.patch
>
>
> We are getting out of memory errors during import if the number of records to import is less than 0.5*splitSize (and is nonterminating decimal).
> For example, if the numSplits = 3, minVal = 100, maxVal = 101 then in BigDecimalSplitter.split() an extraordinary number of tiny values will be added to the splits List and run out of memory eventually.
> I also noticed that there are no tests for BigDecimalSplitter.



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