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https://issues.apache.org/jira/browse/PIG-4788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15120680#comment-15120680
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liyunzhang_intel commented on PIG-4788:
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[~xuefuz], [~mohitsabharwal],[~pallavi.rao] and [~kexianda]:
PIG-4788.patch changes original code of PigSplit to fix the problem that
taskMetrics.inputMetrics().get().bytesRead() always returns 0.
I explain why do this change in the above comment. If anyone knows how to fix
this problem and not change original code, please tell me.
> the value BytesRead metric info always returns 0 even the length of input
> file is not 0 in spark engine
> -------------------------------------------------------------------------------------------------------
>
> Key: PIG-4788
> URL: https://issues.apache.org/jira/browse/PIG-4788
> Project: Pig
> Issue Type: Sub-task
> Components: spark
> Reporter: liyunzhang_intel
> Assignee: liyunzhang_intel
> Fix For: spark-branch
>
> Attachments: PIG-4788.patch
>
>
> In
> [JobMetricsLinstener#onTaskEnd|https://github.com/apache/pig/blob/spark/src/org/apache/pig/tools/pigstats/spark/SparkJobStats.java#L140],
> taskMetrics.inputMetrics().get().bytesRead() always returns 0 even the
> length of input file is not zero.
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