steveloughran commented on a change in pull request #2971: URL: https://github.com/apache/hadoop/pull/2971#discussion_r819692383
########## File path: hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/output/committer/manifest/ManifestCommitterConstants.java ########## @@ -0,0 +1,282 @@ +/* + * 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.mapreduce.lib.output.committer.manifest; + +import org.apache.hadoop.classification.InterfaceAudience; +import org.apache.hadoop.classification.InterfaceStability; + +/** + * Public constants for the manifest committer. + * This includes all configuration options and their default values. + */ +@InterfaceAudience.Public +@InterfaceStability.Unstable +public final class ManifestCommitterConstants { + + /** + * Suffix to use in manifest files in the job attempt dir. + * Value: {@value}. + */ + public static final String MANIFEST_SUFFIX = "-manifest.json"; + + /** + * Prefix for summary files in the report dir. Call + */ + public static final String SUMMARY_FILENAME_PREFIX = "summary-"; + + /** + * Format string used to build a summary file from a Job ID. + */ + public static final String SUMMARY_FILENAME_FORMAT = + SUMMARY_FILENAME_PREFIX + "%s.json"; + + /** + * Suffix to use for temp files before renaming them. + * Value: {@value}. + */ + public static final String TMP_SUFFIX = ".tmp"; + + /** + * Initial number of all app attempts. + * This is fixed in YARN; for Spark jobs the + * same number "0" is used. + */ + public static final int INITIAL_APP_ATTEMPT_ID = 0; + + /** + * Format string for building a job dir. + * Value: {@value}. + */ + public static final String JOB_DIR_FORMAT_STR = "manifest_%s"; + + /** + * Format string for building a job attempt dir. + * This uses the job attempt number so previous versions + * can be found trivially. + * Value: {@value}. + */ + public static final String JOB_ATTEMPT_DIR_FORMAT_STR = "%d"; + + /** + * Name of directory under job attempt dir for manifests. + */ + public static final String JOB_TASK_MANIFEST_SUBDIR = "manifests"; + + /** + * Name of directory under job attempt dir for task attempts. + */ + public static final String JOB_TASK_ATTEMPT_SUBDIR = "tasks"; + + + /** + * Committer classname as recorded in the committer _SUCCESS file. + */ + public static final String MANIFEST_COMMITTER_CLASSNAME = Review comment: using `ManifestCommitter.class.getName()` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org
