(spark) branch master updated: [SPARK-45727][SS] Remove unused map in watermark propagation simulation

[ka...@apache.org]

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kabhwan pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/spark.git


The following commit(s) were added to refs/heads/master by this push:
     new fc6a5cca06c [SPARK-45727][SS] Remove unused map in watermark propagation simulation
fc6a5cca06c is described below

commit fc6a5cca06cf15c4a952cb56720f627efdba7cce
Author: Anish Shrigondekar <an...@databricks.com>
AuthorDate: Tue Oct 31 12:31:48 2023 +0900

    [SPARK-45727][SS] Remove unused map in watermark propagation simulation
    
    ### What changes were proposed in this pull request?
    Remove unused map in watermark propagation simulation
    
    ### Why are the changes needed?
    Remove use of redundant/unused map
    
    ### Does this PR introduce _any_ user-facing change?
    No
    
    ### How was this patch tested?
    Existing unit tests
    
    ```
    ===== POSSIBLE THREAD LEAK IN SUITE o.a.s.sql.streaming.MultiStatefulOperatorsSuite, threads: rpc-boss-3-1 (daemon=true), ForkJoinPool.commonPool-worker-2 (daemon=true), shuffle-boss-6-1 (daemon=true), ForkJoinPool.commonPool-worker-1 (daemon=true) =====
    [info] Run completed in 1 minute, 35 seconds.
    [info] Total number of tests run: 9
    [info] Suites: completed 1, aborted 0
    [info] Tests: succeeded 9, failed 0, canceled 0, ignored 0, pending 0
    [info] All tests passed.
    ```
    
    ### Was this patch authored or co-authored using generative AI tooling?
    No
    
    Closes #43588 from anishshri-db/task/SPARK-45727.
    
    Authored-by: Anish Shrigondekar <an...@databricks.com>
    Signed-off-by: Jungtaek Lim <ka...@gmail.com>
---
 .../org/apache/spark/sql/execution/streaming/WatermarkPropagator.scala  | 2 --
 1 file changed, 2 deletions(-)

diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/WatermarkPropagator.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/WatermarkPropagator.scala
index 6f3725bebb9..a4bee7e95b4 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/WatermarkPropagator.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/WatermarkPropagator.scala
@@ -181,7 +181,6 @@ class PropagateWatermarkSimulator extends WatermarkPropagator with Logging {
   }
 
   private def doSimulate(batchId: Long, plan: SparkPlan, originWatermark: Long): Unit = {
-    val statefulOperatorIdToNodeId = mutable.HashMap[Long, Int]()
     val nodeToOutputWatermark = mutable.HashMap[Int, Option[Long]]()
     val nextStatefulOperatorToWatermark = mutable.HashMap[Long, Option[Long]]()
 
@@ -200,7 +199,6 @@ class PropagateWatermarkSimulator extends WatermarkPropagator with Logging {
 
       case node: StateStoreWriter =>
         val stOpId = node.stateInfo.get.operatorId
-        statefulOperatorIdToNodeId.put(stOpId, node.id)
 
         val inputWatermarks = getInputWatermarks(node, nodeToOutputWatermark)
 


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