cloud-fan commented on a change in pull request #25134: [SPARK-28366][CORE]
Logging in driver when loading single large unsplittable file
URL: https://github.com/apache/spark/pull/25134#discussion_r306187576
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File path: core/src/main/scala/org/apache/spark/rdd/HadoopRDD.scala
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@@ -196,6 +197,8 @@ class HadoopRDD[K, V](
newInputFormat
}
+ @transient private lazy val codecFactory = new
CompressionCodecFactory(getJobConf())
Review comment:
shall we create the codec factory inside `getPartitions`? According to the
doc of `RDD#getPartitions`, this method will only be called once.
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