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Posted to issues@spark.apache.org by "chenliang (Jira)" <ji...@apache.org> on 2020/12/10 14:11:00 UTC
[jira] [Created] (SPARK-33738) Add timeout info for
ShuffleBlockFetcherIterator when get remote block
chenliang created SPARK-33738:
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Summary: 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: 3.0.0, 2.4.3
Reporter: chenliang
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 ArrayBuffer(shuffle_1_39_5, shuffle_1_42_5, shuffle_1_45_5, shuffle_1_48_5, shuffle_1_51_5, shuffle_1_434_5, shuffle_1_627_5, shuffle_1_689_5, shuffle_1_791_5, shuffle_1_856_5, shuffle_1_859_5, shuffle_1_867_5, shuffle_1_875_5, shuffle_1_915_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.diditaxi.com:7337.
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