[jira] [Commented] (SPARK-39921) SkewJoin--Stream side skew in BroadcastJoin

["Yuming Wang (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-39921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17575108#comment-17575108 ] 

Yuming Wang commented on SPARK-39921:
-------------------------------------

+1. Would you like to file a PR？

> SkewJoin--Stream side skew in BroadcastJoin
> -------------------------------------------
>
>                 Key: SPARK-39921
>                 URL: https://issues.apache.org/jira/browse/SPARK-39921
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.1.2
>            Reporter: wang-zhun
>            Priority: Major
>         Attachments: 1.png, 2.png, 3.png, 4.png
>
>
> There is data skew in BroadcastJoin. Since LocalShuffle cannot cover all cases, we can refer to the solution of SortMergeJoin skew to consider solving the data skew problem in BroadcastJoin.
> h3. senairo
> !1.png!
> !2.png!
> h3. Effect
> !4.png!
> !3.png!



--
This message was sent by Atlassian Jira
(v8.20.10#820010)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org