srowen commented on a change in pull request #35492:
URL: https://github.com/apache/spark/pull/35492#discussion_r812015679
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File path:
core/src/main/scala/org/apache/spark/internal/io/HadoopMapReduceCommitProtocol.scala
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@@ -104,7 +104,7 @@ class HadoopMapReduceCommitProtocol(
* The staging directory of this write job. Spark uses it to deal with files
with absolute output
* path, or writing data into partitioned directory with
dynamicPartitionOverwrite=true.
*/
- protected def stagingDir = getStagingDir(path, jobId)
+ @transient protected lazy val stagingDir = getStagingDir(path, jobId)
Review comment:
Why not just `val`? `lazy` may not be worth it. Is it `@transient`
because the staging dir may vary across driver and worker?
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