spark maxResultSize

最新推荐文章于 2025-01-17 18:36:59 发布

原创最新推荐文章于 2025-01-17 18:36:59 发布 · 4.1k 阅读

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本文介绍了解决Apache Spark任务中因结果大小超过限制而导致的任务失败问题。通过调整配置参数，如executor内存开销和driver最大结果大小，可以有效避免此类错误。

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INFO org.apache.spark.deploy.yarn.ApplicationMaster:

Unregistering ApplicationMaster with FAILED

(diag message:

	User class threw exception:

		org.apache.spark.SparkException:

			Job aborted due to stage failure:

				Total size of serialized results of 19 tasks (1069.2 MB) is bigger than spark.driver.maxResultSize (1024.0 MB)

val conf = new SparkConf().setAppName("your app name")
conf.set("spark.yarn.executor.memoryOverhead", "2000")
conf.set("spark.driver.maxResultSize", "8g")

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