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Posted to issues@spark.apache.org by "Nick Hryhoriev (Jira)" <ji...@apache.org> on 2023/02/10 07:37:00 UTC
[jira] [Comment Edited] (SPARK-42034) QueryExecutionListener and Observation API, df.observe do not work with `foreach` action.
[ https://issues.apache.org/jira/browse/SPARK-42034?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17686914#comment-17686914 ]
Nick Hryhoriev edited comment on SPARK-42034 at 2/10/23 7:36 AM:
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I can do PR, but I need someone to target me to some doc or piece of code to understand how this part of spark works.
Do there any documentation or at least a diagram to show spark-sql architecture?
I really do not understand how rdd execution is linked to SQL query listeners.
was (Author: hryhoriev.nick):
I can do PR, but I need someone to target me to some doc or piece of code to understand how this part of spark works.
I really do not understand how rdd execution is linked to SQL query listeners.
> QueryExecutionListener and Observation API, df.observe do not work with `foreach` action.
> -----------------------------------------------------------------------------------------
>
> Key: SPARK-42034
> URL: https://issues.apache.org/jira/browse/SPARK-42034
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.1.3, 3.2.2, 3.3.1
> Environment: I test it locally and on YARN in cluster mode.
> Spark 3.3.1 and 3.2.2 and 3.1.1.
> Yarn 2.9.2 and 3.2.1.
> Reporter: Nick Hryhoriev
> Priority: Major
> Labels: sql-api
>
> Observation API, {{observe}} dataframe transformation, and custom QueryExecutionListener.
> Do not work with {{foreach}} or {{foreachPartition actions.}}
> {{This is due to }}QueryExecutionListener functions do not trigger on queries whose action is {{foreach}} or {{{}foreachPartition{}}}.
> But the Spark GUI SQL tab sees this query as SQL query and shows its query plans and etc.
> here is the code to reproduce it:
> https://gist.github.com/GrigorievNick/e7cf9ec5584b417d9719e2812722e6d3
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