turboFei edited a comment on issue #24740: [SPARK-27876][CORE] Split large shuffle partition to multi-segments to enable transfer oversize shuffle partition block URL: https://github.com/apache/spark/pull/24740#issuecomment-534012354 For current master branch, spark.maxRemoteBlockSizeFetchToMem is set to`Int.MaxValue - 512`, which is little than 2GB(https://issues.apache.org/jira/browse/SPARK-24297). So, this issue would not be met. But if you set spark.maxRemoteBlockSizeFetchToMem to a value large than 2GB, you will still meet this issue.
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