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Subject [GitHub] [spark] HeartSaVioR commented on a change in pull request #26771: [SPARK-30143][SS] Add a timeout on stopping a streaming query
Date Wed, 11 Dec 2019 01:36:42 GMT
HeartSaVioR commented on a change in pull request #26771: [SPARK-30143][SS] Add a timeout on
stopping a streaming query
URL: https://github.com/apache/spark/pull/26771#discussion_r356365353
 
 

 ##########
 File path: sql/core/src/main/scala/org/apache/spark/sql/streaming/DataStreamWriter.scala
 ##########
 @@ -240,8 +241,16 @@ final class DataStreamWriter[T] private[sql](ds: Dataset[T]) {
    * path as new data arrives. The returned [[StreamingQuery]] object can be used to interact
with
    * the stream.
    *
+   * @throws TimeoutException If another run of the same streaming query (a streaming query
sharing
 
 Review comment:
   > If another run of the same streaming query (a streaming query sharing the same checkpoint
location) is already active on the same Spark cluster
   
   "same Spark cluster" seems misleading. AFAIK Spark cannot do it as Spark doesn't have centralized
control center - it's just per driver application. Maybe "same Spark application"?

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