[GitHub] [carbondata] jackylk commented on a change in pull request #3622: [CARBONDATA-3702] Clean temp index files in parallel in merge index flow

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jackylk commented on a change in pull request #3622: [CARBONDATA-3702] Clean temp index files in parallel in merge index flow
URL: https://github.com/apache/carbondata/pull/3622#discussion_r380415731
 
 

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 File path: integration/spark-common/src/main/scala/org/apache/spark/rdd/CarbonMergeFilesRDD.scala
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 @@ -157,21 +157,23 @@ object CarbonMergeFilesRDD {
     if (carbonTable.isHivePartitionTable && !StringUtils.isEmpty(tempFolderPath)) {
       // remove all tmp folder of index files
       val startDelete = System.currentTimeMillis()
-      val numThreads = Math.min(Math.max(partitionInfo.size(), 1), 10)
-      val executorService = Executors.newFixedThreadPool(numThreads)
-      val carbonSessionInfo = ThreadLocalSessionInfo.getCarbonSessionInfo
+      // get all files in all folder of index files
+      val allTmpFiles = partitionInfo
+        .asScala
+        .map { partitionPath =>
 
 Review comment:
   maybe you can use flatMap here

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