[GitHub] kunal642 commented on a change in pull request #3090: [CARBONDATA-3262] Fix merge index failure handling for compacted segment

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kunal642 commented on a change in pull request #3090: [CARBONDATA-3262] Fix merge index failure handling for compacted segment
URL: https://github.com/apache/carbondata/pull/3090#discussion_r249813436
 
 

 ##########
 File path: integration/spark2/src/main/scala/org/apache/carbondata/spark/rdd/CarbonDataRDDFactory.scala
 ##########
 @@ -821,72 +822,78 @@ object CarbonDataRDDFactory {
       carbonTable: CarbonTable,
       compactedSegments: java.util.List[String],
       operationContext: OperationContext): Unit = {
-    LOGGER.info(s"compaction need status is" +
-                s" ${ CarbonDataMergerUtil.checkIfAutoLoadMergingRequired(carbonTable) }")
-    if (!carbonTable.isChildDataMap &&
-        CarbonDataMergerUtil.checkIfAutoLoadMergingRequired(carbonTable)) {
-      val compactionSize = 0
-      val isCompactionTriggerByDDl = false
-      val compactionModel = CompactionModel(
-        compactionSize,
-        CompactionType.MINOR,
-        carbonTable,
-        isCompactionTriggerByDDl,
-        CarbonFilters.getCurrentPartitions(sqlContext.sparkSession,
-          TableIdentifier(carbonTable.getTableName,
-            Some(carbonTable.getDatabaseName))), None)
-      var storeLocation = ""
-      val configuredStore = Util.getConfiguredLocalDirs(SparkEnv.get.conf)
-      if (null != configuredStore && configuredStore.nonEmpty) {
-        storeLocation = configuredStore(Random.nextInt(configuredStore.length))
-      }
-      if (storeLocation == null) {
-        storeLocation = System.getProperty("java.io.tmpdir")
-      }
-      storeLocation = storeLocation + "/carbonstore/" + System.nanoTime()
-
-      val isConcurrentCompactionAllowed = CarbonProperties.getInstance().getProperty(
-        CarbonCommonConstants.ENABLE_CONCURRENT_COMPACTION,
-        CarbonCommonConstants.DEFAULT_ENABLE_CONCURRENT_COMPACTION
-      ).equalsIgnoreCase("true")
-
-      if (!isConcurrentCompactionAllowed) {
-        handleCompactionForSystemLocking(sqlContext,
-          carbonLoadModel,
-          storeLocation,
+    try {
+      LOGGER.info(s"compaction need status is" +
+                  s" ${ CarbonDataMergerUtil.checkIfAutoLoadMergingRequired(carbonTable) }")
+      if (!carbonTable.isChildDataMap &&
+          CarbonDataMergerUtil.checkIfAutoLoadMergingRequired(carbonTable)) {
+        val compactionSize = 0
+        val isCompactionTriggerByDDl = false
+        val compactionModel = CompactionModel(
+          compactionSize,
           CompactionType.MINOR,
           carbonTable,
-          compactedSegments,
-          compactionModel,
-          operationContext
-        )
-      } else {
-        val lock = CarbonLockFactory.getCarbonLockObj(
-          carbonTable.getAbsoluteTableIdentifier,
-          LockUsage.COMPACTION_LOCK)
+          isCompactionTriggerByDDl,
+          CarbonFilters.getCurrentPartitions(sqlContext.sparkSession,
+            TableIdentifier(carbonTable.getTableName,
+              Some(carbonTable.getDatabaseName))), None)
+        var storeLocation = ""
+        val configuredStore = Util.getConfiguredLocalDirs(SparkEnv.get.conf)
+        if (null != configuredStore && configuredStore.nonEmpty) {
+          storeLocation = configuredStore(Random.nextInt(configuredStore.length))
+        }
+        if (storeLocation == null) {
+          storeLocation = System.getProperty("java.io.tmpdir")
+        }
+        storeLocation = storeLocation + "/carbonstore/" + System.nanoTime()
 
-        if (lock.lockWithRetries()) {
-          LOGGER.info("Acquired the compaction lock.")
-          try {
-            startCompactionThreads(sqlContext,
-              carbonLoadModel,
-              storeLocation,
-              compactionModel,
-              lock,
-              compactedSegments,
-              operationContext
-            )
-          } catch {
-            case e: Exception =>
-              LOGGER.error(s"Exception in start compaction thread. ${ e.getMessage }")
-              lock.unlock()
-              throw e
-          }
+        val isConcurrentCompactionAllowed = CarbonProperties.getInstance().getProperty(
+          CarbonCommonConstants.ENABLE_CONCURRENT_COMPACTION,
+          CarbonCommonConstants.DEFAULT_ENABLE_CONCURRENT_COMPACTION
+        ).equalsIgnoreCase("true")
+
+        if (!isConcurrentCompactionAllowed) {
+          handleCompactionForSystemLocking(sqlContext,
+            carbonLoadModel,
+            storeLocation,
+            CompactionType.MINOR,
+            carbonTable,
+            compactedSegments,
+            compactionModel,
+            operationContext
+          )
         } else {
-          LOGGER.error("Not able to acquire the compaction lock for table " +
-                       s"${ carbonLoadModel.getDatabaseName }.${ carbonLoadModel.getTableName}")
+          val lock = CarbonLockFactory.getCarbonLockObj(
+            carbonTable.getAbsoluteTableIdentifier,
+            LockUsage.COMPACTION_LOCK)
+
+          if (lock.lockWithRetries()) {
+            LOGGER.info("Acquired the compaction lock.")
+            try {
+              startCompactionThreads(sqlContext,
+                carbonLoadModel,
+                storeLocation,
+                compactionModel,
+                lock,
+                compactedSegments,
+                operationContext
+              )
+            } catch {
+              case e: Exception =>
+                LOGGER.error(s"Exception in start compaction thread. ${ e.getMessage }")
+                lock.unlock()
+                throw e
+            }
+          } else {
+            LOGGER.error("Not able to acquire the compaction lock for table " +
+                         s"${ carbonLoadModel.getDatabaseName }.${ carbonLoadModel.getTableName }")
+          }
         }
       }
+    } catch {
+      case ex: Exception =>
+        LOGGER.error(s"Auto Compaction failed for table ${
 
 Review comment:
   ok

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