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https://issues.apache.org/jira/browse/SPARK-48397?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17848824#comment-17848824
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Eric Yang edited comment on SPARK-48397 at 5/23/24 6:38 AM:
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The PR: https://github.com/apache/spark/pull/46714
was (Author: JIRAUSER304132):
I'm working on a PR for it.
> Add data write time metric to FileFormatDataWriter/BasicWriteJobStatsTracker
> ----------------------------------------------------------------------------
>
> Key: SPARK-48397
> URL: https://issues.apache.org/jira/browse/SPARK-48397
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 4.0.0
> Reporter: Eric Yang
> Priority: Major
> Labels: pull-request-available
>
> For FileFormatDataWriter we currently record metrics of "task commit time"
> and "job commit time" in
> `org.apache.spark.sql.execution.datasources.BasicWriteJobStatsTracker#metrics`.
> We may also record the time spent on "data write" (together with the time
> spent on producing records from the iterator), which is usually one of the
> major parts of the total duration of a writing operation. It helps us
> identify the bottleneck and time skew, and also the generic performance
> tuning.
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