| /* |
| * 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.pig.tools.pigstats; |
| |
| import java.util.List; |
| import java.util.Map; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| import org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POStore; |
| import org.apache.pig.tools.pigstats.mapreduce.MRPigStatsUtil; |
| import org.apache.pig.tools.pigstats.mapreduce.SimplePigStats; |
| |
| /** |
| * A utility class for Pig Statistics |
| */ |
| public class PigStatsUtil { |
| |
| public static final String MAP_INPUT_RECORDS |
| = "MAP_INPUT_RECORDS"; |
| public static final String MAP_OUTPUT_RECORDS |
| = "MAP_OUTPUT_RECORDS"; |
| public static final String REDUCE_INPUT_RECORDS |
| = "REDUCE_INPUT_RECORDS"; |
| public static final String REDUCE_OUTPUT_RECORDS |
| = "REDUCE_OUTPUT_RECORDS"; |
| public static final String HDFS_BYTES_WRITTEN |
| = "HDFS_BYTES_WRITTEN"; |
| public static final String HDFS_BYTES_READ |
| = "HDFS_BYTES_READ"; |
| public static final String FILE_BYTES_WRITTEN |
| = "FILE_BYTES_WRITTEN"; |
| public static final String FILE_BYTES_READ |
| = "FILE_BYTES_READ"; |
| |
| |
| public static final String MULTI_INPUTS_RECORD_COUNTER |
| = "Input records from "; |
| public static final String MULTI_INPUTS_COUNTER_GROUP |
| = "MultiInputCounters"; |
| public static final String MULTI_STORE_RECORD_COUNTER |
| = "Output records in "; |
| public static final String MULTI_STORE_COUNTER_GROUP |
| = "MultiStoreCounters"; |
| |
| /** |
| * @deprecated use {@link org.apache.pig.tools.pigstats.mapreduce.MRPigStatsUtil#TASK_COUNTER_GROUP} instead. |
| */ |
| @Deprecated |
| public static final String TASK_COUNTER_GROUP |
| = "org.apache.hadoop.mapred.Task$Counter"; |
| |
| /** |
| * @deprecated use {@link org.apache.pig.tools.pigstats.mapreduce.MRPigStatsUtil#FS_COUNTER_GROUP} instead. |
| */ |
| @Deprecated |
| public static final String FS_COUNTER_GROUP |
| = MRPigStatsUtil.FS_COUNTER_GROUP; |
| |
| /** |
| * Returns an empty PigStats object Use of this method is not advised as it |
| * will return the MR execution engine version of PigStats by default, and |
| * is not necessarily empty depending on the timing. |
| * |
| * @return an empty PigStats object |
| */ |
| @Deprecated |
| public static PigStats getEmptyPigStats() { |
| return PigStats.start(new SimplePigStats()); |
| } |
| |
| /** |
| * Returns the PigStats with the given return code |
| * |
| * @param code the return code |
| * @return the PigStats with the given return code |
| */ |
| public static PigStats getPigStats(int code) { |
| PigStats ps = PigStats.get(); |
| if (ps == null) { |
| ps = PigStats.start(new EmptyPigStats()); |
| } |
| ps.setReturnCode(code); |
| return ps; |
| } |
| |
| public static void setErrorMessage(String msg) { |
| PigStats ps = PigStats.get(); |
| if (ps == null) { |
| ps = PigStats.start(new EmptyPigStats()); |
| } |
| ps.setErrorMessage(msg); |
| } |
| |
| public static void setErrorCode(int code) { |
| PigStats ps = PigStats.get(); |
| if (ps == null) { |
| ps = PigStats.start(new EmptyPigStats()); |
| } |
| ps.setErrorCode(code); |
| } |
| |
| public static void setErrorThrowable(Throwable t) { |
| PigStats ps = PigStats.get(); |
| if (ps == null) { |
| ps = PigStats.start(new EmptyPigStats()); |
| } |
| ps.setErrorThrowable(t); |
| } |
| |
| private static Pattern pattern = Pattern.compile("tmp(-)?[\\d]{1,10}$"); |
| |
| public static boolean isTempFile(String fileName) { |
| Matcher result = pattern.matcher(fileName); |
| return result.find(); |
| } |
| |
| public static void setStatsMap(Map<String, List<PigStats>> statsMap) { |
| PigStats.start(new EmbeddedPigStats(statsMap)); |
| } |
| |
| /** |
| * Returns the counter name for the given input file name |
| * |
| * @param fname the input file name |
| * @return the counter name |
| */ |
| public static String getMultiInputsCounterName(String fname, int index) { |
| String shortName = getShortName(fname); |
| return (shortName == null) ? null |
| : MULTI_INPUTS_RECORD_COUNTER + "_" + index + "_" + shortName; |
| } |
| |
| /** |
| * Returns the counter name for the given {@link POStore} |
| * |
| * @param store the POStore |
| * @return the counter name |
| */ |
| public static String getMultiStoreCounterName(POStore store) { |
| String shortName = getShortName(store.getSFile().getFileName()); |
| return (shortName == null) ? null |
| : MULTI_STORE_RECORD_COUNTER + "_" + store.getIndex() + "_" + shortName; |
| } |
| |
| // Restrict total string size of a counter name to 64 characters. |
| // Leave 24 characters for prefix string. |
| private static final int COUNTER_NAME_LIMIT = 40; |
| private static final String SEPARATOR = "/"; |
| private static final String SEMICOLON = ";"; |
| |
| private static String getShortName(String uri) { |
| int scolon = uri.indexOf(SEMICOLON); |
| int slash; |
| if (scolon!=-1) { |
| slash = uri.lastIndexOf(SEPARATOR, scolon); |
| } else { |
| slash = uri.lastIndexOf(SEPARATOR); |
| } |
| String shortName = null; |
| if (scolon==-1) { |
| shortName = uri.substring(slash+1); |
| } |
| if (slash < scolon) { |
| shortName = uri.substring(slash+1, scolon); |
| } |
| if (shortName != null && shortName.length() > COUNTER_NAME_LIMIT) { |
| shortName = shortName.substring(shortName.length() |
| - COUNTER_NAME_LIMIT); |
| } |
| return shortName; |
| } |
| |
| } |