[GitHub] [carbondata] ravipesala commented on a change in pull request #3281: [WIP]Index server performance improvement

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ravipesala commented on a change in pull request #3281: [WIP]Index server performance improvement
URL: https://github.com/apache/carbondata/pull/3281#discussion_r293269822
 
 

 ##########
 File path: integration/spark2/src/main/scala/org/apache/carbondata/indexserver/DistributedRDDUtils.scala
 ##########
 @@ -64,11 +64,21 @@ object DistributedRDDUtils {
     if (invalidExecutorIds.nonEmpty) {
       DistributedRDDUtils.invalidateExecutors(invalidExecutorIds.toSeq)
     }
-    (convertToPartition(legacySegments, tableUniqueName, executorsList) ++
-     convertToPartition(sortedPartitions, tableUniqueName, executorsList)).zipWithIndex.map {
-      case (dataMapDistributable, index) =>
-        new DataMapRDDPartition(rddId, index, dataMapDistributable)
-    }
+    val groupedPartitions = (convertToPartition(legacySegments, tableUniqueName, executorsList) ++
+                             convertToPartition(sortedPartitions, tableUniqueName, executorsList))
+      .groupBy {
+        partition =>
+          partition.getLocations.head
+      }
+    groupedPartitions.map {
+      case (location, dataMapDistributable) =>
 
 Review comment:
   Please remove this case

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