Github user vanzin commented on the issue: https://github.com/apache/spark/pull/17931 > by still sending accumulator name for SQLMetrics Do you have an idea of how much this undoes the benefits of SPARK-12837? You're still avoiding sending the names of internal metrics, but I don't have a feel for how many accumulators a large sql query might generate. Also, is that really necessary? The errors seen in the bug (and that I noticed in my testing) were always on the driver side.
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