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分区太多会导致driver内存溢出 #9

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xcl1102 opened this issue Aug 10, 2023 · 0 comments
Open

分区太多会导致driver内存溢出 #9

xcl1102 opened this issue Aug 10, 2023 · 0 comments

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@xcl1102
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xcl1102 commented Aug 10, 2023

spark 分区数据量特别大20多万的分区，driver内存为15G，由于master是通过driver启动的，作业运行1/3之后，shuffleEpochSetMap 占用内存将近10G左右，导致driver内存溢出，shuffleEpochSetMap 的大小跟什么有关系，为什么会占用这么多的内存，有什么解决办法吗
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