| /* |
| * 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.drill.exec.physical.impl.xsort; |
| |
| import org.apache.drill.exec.ops.OperatorStats; |
| |
| public class SortMetrics { |
| |
| private int peakBatchCount = -1; |
| private int inputRecordCount = 0; |
| private int inputBatchCount = 0; // total number of batches received so far |
| |
| /** |
| * Sum of the total number of bytes read from upstream. |
| * This is the raw memory bytes, not actual data bytes. |
| */ |
| |
| private long totalInputBytes; |
| |
| /** |
| * Tracks the minimum amount of remaining memory for use |
| * in populating an operator metric. |
| */ |
| |
| private long minimumBufferSpace; |
| private OperatorStats stats; |
| private int spillCount; |
| private int mergeCount; |
| private long writeBytes; |
| |
| public SortMetrics(OperatorStats stats) { |
| assert stats != null; |
| this.stats = stats; |
| } |
| |
| public void updateInputMetrics(int rowCount, long batchSize) { |
| inputRecordCount += rowCount; |
| inputBatchCount++; |
| totalInputBytes += batchSize; |
| } |
| |
| public void updateMemory(long freeMem) { |
| |
| if (minimumBufferSpace == 0) { |
| minimumBufferSpace = freeMem; |
| } else { |
| minimumBufferSpace = Math.min(minimumBufferSpace, freeMem); |
| } |
| stats.setLongStat(ExternalSortBatch.Metric.MIN_BUFFER, minimumBufferSpace); |
| } |
| |
| public int getInputRowCount() { return inputRecordCount; } |
| public long getInputBatchCount() { return inputBatchCount; } |
| public long getInputBytes() { return totalInputBytes; } |
| |
| public void updatePeakBatches(int bufferedBatchCount) { |
| if (peakBatchCount < bufferedBatchCount) { |
| peakBatchCount = bufferedBatchCount; |
| stats.setLongStat(ExternalSortBatch.Metric.PEAK_BATCHES_IN_MEMORY, peakBatchCount); |
| } |
| } |
| |
| public void incrMergeCount() { |
| stats.addLongStat(ExternalSortBatch.Metric.MERGE_COUNT, 1); |
| mergeCount++; |
| } |
| |
| public void incrSpillCount() { |
| stats.addLongStat(ExternalSortBatch.Metric.SPILL_COUNT, 1); |
| spillCount++; |
| } |
| |
| public void updateWriteBytes(long writeBytes) { |
| stats.setDoubleStat(ExternalSortBatch.Metric.SPILL_MB, |
| writeBytes / 1024.0D / 1024.0); |
| this.writeBytes = writeBytes; |
| } |
| |
| public int getSpillCount() { return spillCount; } |
| public int getMergeCount() { return mergeCount; } |
| public long getWriteBytes() { return writeBytes; } |
| public int getPeakBatchCount() { return peakBatchCount; } |
| } |