[GitHub] qiuchenjian commented on a change in pull request #3095: [CARBONDATA-3265] Fixed memory Leak and Query performance issue in Range Partition

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qiuchenjian commented on a change in pull request #3095: [CARBONDATA-3265] Fixed memory Leak and Query performance issue in Range Partition
URL: https://github.com/apache/carbondata/pull/3095#discussion_r250064768
 
 

 ##########
 File path: integration/spark-common/src/main/scala/org/apache/carbondata/spark/load/DataLoadProcessBuilderOnSpark.scala
 ##########
 @@ -221,9 +247,32 @@ object DataLoadProcessBuilderOnSpark {
       .map(_._2)
 
     // 4. Sort and Write data
-    sc.runJob(rangeRDD, (context: TaskContext, rows: Iterator[CarbonRow]) =>
+    sc.runJob(rangeRDD, (context: TaskContext, rows: Iterator[CarbonRow]) => {
+      TaskContext.get.addTaskCompletionListener(_ => ThreadLocalSessionInfo.unsetAll())
+      val carbonSessionInfo: CarbonSessionInfo = {
+        var info = ThreadLocalSessionInfo.getCarbonSessionInfo
+        if (info == null || null == info.getSessionParams) {
+          info = new CarbonSessionInfo
+          info.setSessionParams(new SessionParams())
+        }
+        info.getSessionParams.addProps(CarbonProperties.getInstance().getAddedProperty)
+        info
+      }
+      carbonSessionInfo.getNonSerializableExtraInfo.put("carbonConf", conf.value.value)
+      TaskContext.get.addTaskCompletionListener { _ =>
+        CommonUtil.clearUnsafeMemory(ThreadLocalTaskInfo.getCarbonTaskInfo.getTaskId)
+      }
+      ThreadLocalSessionInfo.setCarbonSessionInfo(carbonSessionInfo)
+      TaskMetricsMap.threadLocal.set(Thread.currentThread().getId)
+      val carbonTaskInfo = new CarbonTaskInfo
+      carbonTaskInfo.setTaskId(CarbonUtil.generateUUID())
+      ThreadLocalTaskInfo.setCarbonTaskInfo(carbonTaskInfo)
+      carbonSessionInfo.getSessionParams.getAddedProps.asScala.map {
+        f => CarbonProperties.getInstance().addProperty(f._1, f._2)
+      }
 
 Review comment:
   seems that two pieces of code are the same， better to use a method

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