[jira] [Resolved] (SPARK-21621) Reset numRecordsWritten after DiskBlockObjectWriter.commitAndGet called

["Wenchen Fan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-21621?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan resolved SPARK-21621.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 2.3.0
                   2.2.1

Issue resolved by pull request 18830
[https://github.com/apache/spark/pull/18830]

> Reset numRecordsWritten after DiskBlockObjectWriter.commitAndGet called
> -----------------------------------------------------------------------
>
>                 Key: SPARK-21621
>                 URL: https://issues.apache.org/jira/browse/SPARK-21621
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 2.2.0
>            Reporter: Xianyang Liu
>             Fix For: 2.2.1, 2.3.0
>
>
> We should reset numRecordsWritten to zero after DiskBlockObjectWriter.commitAndGet called.
> Because when `revertPartialWritesAndClose` be called, we decrease the  written records in `ShuffleWriteMetrics` . However, we decreased the written records to zero, this should be wrong, we should only decreased the number reords after the last `commitAndGet` called. 



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