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https://issues.apache.org/jira/browse/FLINK-15581?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Piotr Nowojski closed FLINK-15581.
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Resolution: Duplicate
> SpillingResettableMutableObjectIterator data overflow
> -----------------------------------------------------
>
> Key: FLINK-15581
> URL: https://issues.apache.org/jira/browse/FLINK-15581
> Project: Flink
> Issue Type: Bug
> Components: API / DataSet
> Affects Versions: 1.6.4, 1.7.2, 1.8.3, 1.9.1, 1.10.0
> Reporter: Piotr Nowojski
> Priority: Minor
>
> As [reported by a user on the mailing
> list|https://lists.apache.org/thread.html/r1e3c53eaddfd8050c94ee4e521da4fc96a119662937cf801801bde52%40%3Cuser.flink.apache.org%3E]
> {quote}
> SpillingResettableMutableObjectIterator has a data overflow problem if the
> number of elements in a single input exceeds Integer.MAX_VALUE.
> The reason is inside the SpillingResettableMutableObjectIterator, it track
> the total number of elements and the number of elements currently read with
> two int type fileds (elementCount and currentElementNum), and if the number
> of elements exceeds Integer.MAX_VALUE, it will overflow.
> If there is an overflow, then in the next iteration, after reset the input ,
> the data will not be read or only part of the data will be read.
> {quote}
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