Github user HyukjinKwon commented on the issue: https://github.com/apache/spark/pull/19009 This reminds me of https://github.com/apache/spark/pull/15960. I guess we don't want to fix these randomly but consider fixing it if the actual perf bottleneck can be identified or while the codes around those instances are being changed. If this is not in both cases, I would like to suggest closing this.
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