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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2020/12/11 04:09:00 UTC
[jira] [Commented] (SPARK-33738) Add timeout info for
ShuffleBlockFetcherIterator when get remote block
[ https://issues.apache.org/jira/browse/SPARK-33738?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17247623#comment-17247623 ]
Apache Spark commented on SPARK-33738:
--------------------------------------
User 'southernriver' has created a pull request for this issue:
https://github.com/apache/spark/pull/30721
> Add timeout info for ShuffleBlockFetcherIterator when get remote block
> ----------------------------------------------------------------------
>
> Key: SPARK-33738
> URL: https://issues.apache.org/jira/browse/SPARK-33738
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.4.3, 3.0.0
> Reporter: chenliang
> Priority: Minor
>
> In order to facilitate the troubleshooting of hotspots or data skew， it's better to add more information on ShuffleBlockFetcherIterator.
> The new log are shown as below:
> {code:java}
> 2020-07-27 21:00:49,910 TRACE org.apache.spark.storage.ShuffleBlockFetcherIterator: Got remote block shuffle_1_39_5 from hostname:7337 cost 3511 ms
> {code}
> We can easily get the point that the current container cost 3511 ms for getting remote block list from node hostname:7337.
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