[GitHub] [carbondata] ravipesala commented on a change in pull request #3345: [CARBONDATA-3487] wrong Input metrics (size/record) displayed in spark UI during insert into

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ravipesala commented on a change in pull request #3345: [CARBONDATA-3487] wrong Input metrics (size/record) displayed in spark UI during insert into
URL: https://github.com/apache/carbondata/pull/3345#discussion_r311385522
 
 

 ##########
 File path: integration/spark-common/src/main/scala/org/apache/spark/CarbonInputMetrics.scala
 ##########
 @@ -35,20 +35,28 @@ class CarbonInputMetrics extends InitInputMetrics{
     var inputMetrics: InputMetrics = _
     // bytes read before compute by other map rdds in lineage
     var existingBytesRead: Long = _
+    var recordCount: Long = _
+    var inputMetricsInterval: Long = _
     var carbonMultiBlockSplit: CarbonMultiBlockSplit = _
 
   def initBytesReadCallback(context: TaskContext,
-      carbonMultiBlockSplit: CarbonMultiBlockSplit) {
+      carbonMultiBlockSplit: CarbonMultiBlockSplit, inputMetricsInterval: Long) {
     inputMetrics = context.taskMetrics().inputMetrics
     existingBytesRead = inputMetrics.bytesRead
-    this.carbonMultiBlockSplit = carbonMultiBlockSplit;
+    recordCount = 0L
+    this.inputMetricsInterval = inputMetricsInterval
+    this.carbonMultiBlockSplit = carbonMultiBlockSplit
   }
 
   def incrementRecordRead(recordRead: Long) {
-    val value : scala.Long = recordRead
-    inputMetrics.incRecordsRead(value)
-    if (inputMetrics.recordsRead % SparkHadoopUtil.UPDATE_INPUT_METRICS_INTERVAL_RECORDS == 0) {
-      updateBytesRead()
+    val value: scala.Long = recordRead
+    recordCount = recordCount + value
+    if (recordCount > inputMetricsInterval) {
+      inputMetrics.synchronized {
+        inputMetrics.incRecordsRead(recordCount)
+        updateBytesRead()
+      }
+      recordCount = 0L
 
 Review comment:
   Make `recordCount=0` inside synchronized block

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