10110346 commented on a change in pull request #23296: [mllib]MergeAggregate
serialize and deserialize function use Bytebuffer to optimize
URL: https://github.com/apache/spark/pull/23296#discussion_r240919446
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File path: mllib/src/main/scala/org/apache/spark/ml/stat/Summarizer.scala
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@@ -18,16 +18,18 @@
package org.apache.spark.ml.stat
import java.io._
+import java.nio.ByteBuffer
import org.apache.spark.annotation.{Experimental, Since}
import org.apache.spark.internal.Logging
-import org.apache.spark.ml.linalg.{Vector, Vectors, VectorUDT}
+import org.apache.spark.ml.linalg.{Vector, VectorUDT, Vectors}
Review comment:
Keep the original order.
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