Spark总结项目一(报错信息):GC占用率上限已超限;线程任务结果获取器异常
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六、Spark集群GC超限与线程异常分析
难点:
在集群环境中提交Spark任务时出现错误代码
xxxxxx
20/09/16 03:58:51 WARN scheduler.TaskSetManager: Stage 26 contains a task of very large size (1319 KB). The maximum recommended task size is 100 KB.
20/09/16 04:03:45 ERROR util.Utils: Uncaught exception in thread task-result-getter-2
java.lang.OutOfMemoryError: GC overhead limit exceeded
at org.apache.spark.scheduler.DirectTaskResult$$anonfun$readExternal$1.apply$mcV$sp(TaskResult.scala:65)
at org.apache.spark.scheduler.DirectTaskResult$$anonfun$readExternal$1.apply(TaskResult.scala:55)
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