zhengruifeng opened a new pull request #27523: avoid tuple assignment because it will circumvent the transient tag URL: https://github.com/apache/spark/pull/27523 ### What changes were proposed in this pull request? it is said in [LeastSquaresAggregator](https://github.com/apache/spark/blob/12e1bbaddbb2ef304b5880a62df6683fcc94ea54/mllib/src/main/scala/org/apache/spark/ml/optim/aggregator/LeastSquaresAggregator.scala#L188) that : > // do not use tuple assignment above because it will circumvent the transient tag I then check this issue with Scala 2.13.1 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_241) ### Why are the changes needed? avoid tuple assignment because it will circumvent the transient tag ### Does this PR introduce any user-facing change? No ### How was this patch tested? existing testsuites
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