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https://issues.apache.org/jira/browse/SPARK-33738?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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chenliang updated SPARK-33738:
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Description:
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:7337.
was:
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.
> 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
> 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:7337.
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