WinkerDu commented on a change in pull request #29000:
URL: https://github.com/apache/spark/pull/29000#discussion_r464091070
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File path:
core/src/main/scala/org/apache/spark/internal/io/HadoopMapReduceCommitProtocol.scala
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@@ -41,13 +41,17 @@ import org.apache.spark.mapred.SparkHadoopMapRedUtil
* @param jobId the job's or stage's id
* @param path the job's output path, or null if committer acts as a noop
* @param dynamicPartitionOverwrite If true, Spark will overwrite partition
directories at runtime
- * dynamically, i.e., we first write files
under a staging
- * directory with partition path, e.g.
- * /path/to/staging/a=1/b=1/xxx.parquet. When
committing the job,
- * we first clean up the corresponding
partition directories at
- * destination path, e.g.
/path/to/destination/a=1/b=1, and move
- * files from staging directory to the
corresponding partition
- * directories under destination path.
+ * dynamically, i.e., for speculative tasks,
we first write files
Review comment:
Nope, not only for speculative task, will correct it
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