| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.spark |
| |
| import java.lang.Long |
| |
| import org.apache.spark.executor.InputMetrics |
| |
| import org.apache.carbondata.common.logging.LogServiceFactory |
| import org.apache.carbondata.core.constants.CarbonCommonConstants |
| import org.apache.carbondata.core.util.TaskMetricsMap |
| import org.apache.carbondata.hadoop.CarbonMultiBlockSplit |
| import org.apache.carbondata.spark.InitInputMetrics |
| |
| |
| /** |
| * It gives statistics of number of bytes and record read |
| */ |
| class CarbonInputMetrics extends InitInputMetrics{ |
| @transient val LOGGER = LogServiceFactory.getLogService(this.getClass.getName) |
| 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, inputMetricsInterval: Long) { |
| inputMetrics = context.taskMetrics().inputMetrics |
| existingBytesRead = inputMetrics.bytesRead |
| recordCount = 0L |
| this.inputMetricsInterval = inputMetricsInterval |
| this.carbonMultiBlockSplit = carbonMultiBlockSplit |
| } |
| |
| def incrementRecordRead(recordRead: Long) { |
| val value: scala.Long = recordRead |
| recordCount = recordCount + value |
| if (recordCount > inputMetricsInterval) { |
| inputMetrics.synchronized { |
| inputMetrics.incRecordsRead(recordCount) |
| updateBytesRead() |
| } |
| recordCount = 0L |
| } |
| } |
| |
| def updateBytesRead(): Unit = { |
| inputMetrics |
| .setBytesRead(existingBytesRead |
| + TaskMetricsMap.getInstance().getReadBytesSum(Thread.currentThread().getId)) |
| } |
| |
| def updateAndClose() { |
| if (recordCount > 0L) { |
| inputMetrics.synchronized { |
| inputMetrics.incRecordsRead(recordCount) |
| } |
| recordCount = 0L |
| } |
| // if metrics supported file system ex: hdfs |
| if (!TaskMetricsMap.getInstance().isCallbackEmpty(Thread.currentThread().getId)) { |
| updateBytesRead() |
| // after update clear parent thread entry from map. |
| TaskMetricsMap.getInstance().removeEntry(Thread.currentThread().getId) |
| } else if (carbonMultiBlockSplit.isInstanceOf[CarbonMultiBlockSplit]) { |
| // If we can't get the bytes read from the FS stats, fall back to the split size, |
| // which may be inaccurate. |
| try { |
| inputMetrics.incBytesRead(carbonMultiBlockSplit.getLength) |
| } catch { |
| case e: java.io.IOException => |
| LOGGER.warn("Unable to get input size to set InputMetrics for task:" + e.getMessage) |
| } |
| } |
| } |
| |
| override def updateByValue(value: Object): Unit = { |
| |
| } |
| } |