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嗨~能简单解释下,为什么需要打补丁才能开启 DRA 么? #787

Answered by AngersZhuuuu
fuhaiq asked this question in Q&A
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在动态分配 和未开启external shuffle service的的场景下, 如果map task 所在的机器lost 是需要重跑map task的,我们开启了RSS 的时候是关闭了ESS的,所以需要做一些spark 端的修改去支持RSS的场景, 避免不必要的计算

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