/**
* 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.hadoop.tools.rumen;
import java.util.regex.Pattern;
import org.apache.hadoop.mapreduce.JobID;
import org.apache.hadoop.mapreduce.v2.hs.JobHistory;
/**
* Job History related constants for Hadoop releases prior to 0.21
*/
public class Pre21JobHistoryConstants {
/**
* Job history files contain key="value" pairs, where keys belong to this enum.
* It acts as a global namespace for all keys.
*/
static enum Keys {
JOBTRACKERID,
START_TIME, FINISH_TIME, JOBID, JOBNAME, USER, JOBCONF, SUBMIT_TIME,
LAUNCH_TIME, TOTAL_MAPS, TOTAL_REDUCES, FAILED_MAPS, FAILED_REDUCES,
FINISHED_MAPS, FINISHED_REDUCES, JOB_STATUS, TASKID, HOSTNAME, TASK_TYPE,
ERROR, TASK_ATTEMPT_ID, TASK_STATUS, COPY_PHASE, SORT_PHASE, REDUCE_PHASE,
SHUFFLE_FINISHED, SORT_FINISHED, MAP_FINISHED, COUNTERS, SPLITS,
JOB_PRIORITY, HTTP_PORT, TRACKER_NAME, STATE_STRING, VERSION
}
/**
* This enum contains some of the values commonly used by history log events.
* since values in history can only be strings - Values.name() is used in
* most places in history file.
*/
public static enum Values {
SUCCESS, FAILED, KILLED, MAP, REDUCE, CLEANUP, RUNNING, PREP, SETUP
}
/**
* Regex for Pre21 V1(old) jobhistory filename
* i.e jt-identifier_job-id_user-name_job-name
*/
static final Pattern JOBHISTORY_FILENAME_REGEX_V1 =
Pattern.compile("[^.].+_(" + JobID.JOBID_REGEX + ")_.+");
/**
* Regex for Pre21 V2(new) jobhistory filename
* i.e job-id_user-name_job-name
*/
static final Pattern JOBHISTORY_FILENAME_REGEX_V2 =
Pattern.compile("(" + JobID.JOBID_REGEX + ")_.+");
static final String OLD_FULL_SUFFIX_REGEX_STRING =
"(?:\\.[0-9]+" + Pattern.quote(JobHistory.OLD_SUFFIX) + ")";
/**
* Regex for Pre21 V1(old) jobhistory conf filename
* i.e jt-identifier_job-id_conf.xml
*/
static final Pattern CONF_FILENAME_REGEX_V1 =
Pattern.compile("[^.].+_(" + JobID.JOBID_REGEX + ")_conf.xml"
+ OLD_FULL_SUFFIX_REGEX_STRING + "?");
/**
* Regex for Pre21 V2(new) jobhistory conf filename
* i.e job-id_conf.xml
*/
static final Pattern CONF_FILENAME_REGEX_V2 =
Pattern.compile("(" + JobID.JOBID_REGEX + ")_conf.xml"
+ OLD_FULL_SUFFIX_REGEX_STRING + "?");
}