Celeborn_Dynamic_Allocation_spark3_0.patch

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Subject: [PATCH] [CORE][SHUFFLE] Support enabling DRA with Apache Celeborn
---
Index: core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
diff --git a/core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala b/core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala
--- a/core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala	(revision 65ac1e75dc468f53fc778cd2ce1ba3f21067aab8)
+++ b/core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala	(revision 1f5cb2ec9e9652d03c9775954b69a708b5d05ab3)
@@ -198,7 +198,7 @@
     if (!conf.get(config.SHUFFLE_SERVICE_ENABLED)) {
       if (conf.get(config.DYN_ALLOCATION_SHUFFLE_TRACKING_ENABLED)) {
         logWarning("Dynamic allocation without a shuffle service is an experimental feature.")
-      } else if (!testing) {
+      } else if (!testing && !Utils.isCelebornEnabled(conf)) {
         throw new SparkException("Dynamic allocation of executors requires the external " +
           "shuffle service. You may enable this through spark.shuffle.service.enabled.")
       }
Index: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
diff --git a/core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala b/core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
--- a/core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala	(revision 65ac1e75dc468f53fc778cd2ce1ba3f21067aab8)
+++ b/core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala	(revision 1f5cb2ec9e9652d03c9775954b69a708b5d05ab3)
@@ -1851,7 +1851,8 @@
     // if the cluster manager explicitly tells us that the entire worker was lost, then
     // we know to unregister shuffle output.  (Note that "worker" specifically refers to the process
     // from a Standalone cluster, where the shuffle service lives in the Worker.)
-    val fileLost = workerLost || !env.blockManager.externalShuffleServiceEnabled
+    val fileLost = !Utils.isCelebornEnabled(sc.getConf) &&
+      (workerLost || !env.blockManager.externalShuffleServiceEnabled)
     removeExecutorAndUnregisterOutputs(
       execId = execId,
       fileLost = fileLost,
Index: core/src/main/scala/org/apache/spark/scheduler/TaskSetManager.scala
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
diff --git a/core/src/main/scala/org/apache/spark/scheduler/TaskSetManager.scala b/core/src/main/scala/org/apache/spark/scheduler/TaskSetManager.scala
--- a/core/src/main/scala/org/apache/spark/scheduler/TaskSetManager.scala	(revision 65ac1e75dc468f53fc778cd2ce1ba3f21067aab8)
+++ b/core/src/main/scala/org/apache/spark/scheduler/TaskSetManager.scala	(revision 1f5cb2ec9e9652d03c9775954b69a708b5d05ab3)
@@ -944,7 +944,7 @@
     // The reason is the next stage wouldn't be able to fetch the data from this dead executor
     // so we would need to rerun these tasks on other executors.
     if (tasks(0).isInstanceOf[ShuffleMapTask] && !env.blockManager.externalShuffleServiceEnabled
-        && !isZombie) {
+        && !isZombie && !Utils.isCelebornEnabled(conf)) {
       for ((tid, info) <- taskInfos if info.executorId == execId) {
         val index = taskInfos(tid).index
         // We may have a running task whose partition has been marked as successful,
Index: core/src/main/scala/org/apache/spark/util/Utils.scala
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
diff --git a/core/src/main/scala/org/apache/spark/util/Utils.scala b/core/src/main/scala/org/apache/spark/util/Utils.scala
--- a/core/src/main/scala/org/apache/spark/util/Utils.scala	(revision 65ac1e75dc468f53fc778cd2ce1ba3f21067aab8)
+++ b/core/src/main/scala/org/apache/spark/util/Utils.scala	(revision 1f5cb2ec9e9652d03c9775954b69a708b5d05ab3)
@@ -2934,6 +2934,9 @@
     props.forEach((k, v) => resultProps.put(k, v))
     resultProps
   }
+
+  def isCelebornEnabled(conf: SparkConf): Boolean =
+    conf.get("spark.shuffle.manager", "sort").contains("celeborn")
 }
 
 private[util] object CallerContext extends Logging {