[
https://issues.apache.org/jira/browse/SPARK-29954?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ke Jia updated SPARK-29954:
---------------------------
Description: We need the row count info to more accurately estimate the
data skew situation when too many duplicated data. This PR will collect the row
count info in map stage.
> collect the runtime statistics of row count in map stage
> --------------------------------------------------------
>
> Key: SPARK-29954
> URL: https://issues.apache.org/jira/browse/SPARK-29954
> Project: Spark
> Issue Type: Sub-task
> Components: Shuffle
> Affects Versions: 3.0.0
> Reporter: Ke Jia
> Priority: Major
>
> We need the row count info to more accurately estimate the data skew
> situation when too many duplicated data. This PR will collect the row count
> info in map stage.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
