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我跑成紗火花,但我的應用程序狀態越來越內存溢出異常,而試圖裝入大型RDD即使我有動態調度設置爲true動態調度火花的工作對成紗
...
.set("spark.shuffle.service.enabled", "true")
.set("spark.dynamicAllocation.enabled", "true")
.set("spark.default.parallelism", String.valueOf(cpu * 3))
爲了解決這個問題,我不得不指定執行內存
...
.set("spark.driver.memory", "5g")
.set("spark.executor.memory", "30g")
.set("spark.shuffle.service.enabled", "true")
.set("spark.dynamicAllocation.enabled", "true")
.set("spark.default.parallelism", String.valueOf(cpu * 3))
```
但是不是動態調度從紗線中分配所需資源的全部要點?