| /* |
| * 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.hudi.utilities; |
| |
| import org.apache.hudi.client.SparkRDDWriteClient; |
| import org.apache.hudi.client.WriteStatus; |
| import org.apache.hudi.common.config.TypedProperties; |
| import org.apache.hudi.common.fs.FSUtils; |
| import org.apache.hudi.common.util.Option; |
| |
| import com.beust.jcommander.JCommander; |
| import com.beust.jcommander.Parameter; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.log4j.LogManager; |
| import org.apache.log4j.Logger; |
| import org.apache.spark.api.java.JavaRDD; |
| import org.apache.spark.api.java.JavaSparkContext; |
| |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class HoodieCompactor { |
| |
| private static final Logger LOG = LogManager.getLogger(HoodieCompactor.class); |
| private final Config cfg; |
| private transient FileSystem fs; |
| private TypedProperties props; |
| private final JavaSparkContext jsc; |
| |
| public HoodieCompactor(JavaSparkContext jsc, Config cfg) { |
| this.cfg = cfg; |
| this.jsc = jsc; |
| this.props = cfg.propsFilePath == null |
| ? UtilHelpers.buildProperties(cfg.configs) |
| : readConfigFromFileSystem(jsc, cfg); |
| } |
| |
| private TypedProperties readConfigFromFileSystem(JavaSparkContext jsc, Config cfg) { |
| final FileSystem fs = FSUtils.getFs(cfg.basePath, jsc.hadoopConfiguration()); |
| |
| return UtilHelpers |
| .readConfig(fs, new Path(cfg.propsFilePath), cfg.configs) |
| .getConfig(); |
| } |
| |
| public static class Config implements Serializable { |
| @Parameter(names = {"--base-path", "-sp"}, description = "Base path for the table", required = true) |
| public String basePath = null; |
| @Parameter(names = {"--table-name", "-tn"}, description = "Table name", required = true) |
| public String tableName = null; |
| @Parameter(names = {"--instant-time", "-it"}, description = "Compaction Instant time", required = true) |
| public String compactionInstantTime = null; |
| @Parameter(names = {"--parallelism", "-pl"}, description = "Parallelism for hoodie insert", required = true) |
| public int parallelism = 1; |
| @Parameter(names = {"--schema-file", "-sf"}, description = "path for Avro schema file", required = true) |
| public String schemaFile = null; |
| @Parameter(names = {"--spark-master", "-ms"}, description = "Spark master", required = false) |
| public String sparkMaster = null; |
| @Parameter(names = {"--spark-memory", "-sm"}, description = "spark memory to use", required = true) |
| public String sparkMemory = null; |
| @Parameter(names = {"--retry", "-rt"}, description = "number of retries", required = false) |
| public int retry = 0; |
| @Parameter(names = {"--schedule", "-sc"}, description = "Schedule compaction", required = false) |
| public Boolean runSchedule = false; |
| @Parameter(names = {"--strategy", "-st"}, description = "Strategy Class", required = false) |
| public String strategyClassName = null; |
| @Parameter(names = {"--help", "-h"}, help = true) |
| public Boolean help = false; |
| |
| @Parameter(names = {"--props"}, description = "path to properties file on localfs or dfs, with configurations for " |
| + "hoodie client for compacting") |
| public String propsFilePath = null; |
| |
| @Parameter(names = {"--hoodie-conf"}, description = "Any configuration that can be set in the properties file " |
| + "(using the CLI parameter \"--props\") can also be passed command line using this parameter. This can be repeated", |
| splitter = IdentitySplitter.class) |
| public List<String> configs = new ArrayList<>(); |
| } |
| |
| public static void main(String[] args) { |
| final Config cfg = new Config(); |
| JCommander cmd = new JCommander(cfg, null, args); |
| if (cfg.help || args.length == 0) { |
| cmd.usage(); |
| System.exit(1); |
| } |
| final JavaSparkContext jsc = UtilHelpers.buildSparkContext("compactor-" + cfg.tableName, cfg.sparkMaster, cfg.sparkMemory); |
| HoodieCompactor compactor = new HoodieCompactor(jsc, cfg); |
| compactor.compact(cfg.retry); |
| } |
| |
| public int compact(int retry) { |
| this.fs = FSUtils.getFs(cfg.basePath, jsc.hadoopConfiguration()); |
| int ret = -1; |
| try { |
| do { |
| if (cfg.runSchedule) { |
| if (null == cfg.strategyClassName) { |
| throw new IllegalArgumentException("Missing Strategy class name for running compaction"); |
| } |
| ret = doSchedule(jsc); |
| } else { |
| ret = doCompact(jsc); |
| } |
| } while (ret != 0 && retry-- > 0); |
| } catch (Throwable t) { |
| LOG.error(t); |
| } |
| return ret; |
| } |
| |
| private int doCompact(JavaSparkContext jsc) throws Exception { |
| // Get schema. |
| String schemaStr = UtilHelpers.parseSchema(fs, cfg.schemaFile); |
| SparkRDDWriteClient client = |
| UtilHelpers.createHoodieClient(jsc, cfg.basePath, schemaStr, cfg.parallelism, Option.empty(), props); |
| JavaRDD<WriteStatus> writeResponse = (JavaRDD<WriteStatus>) client.compact(cfg.compactionInstantTime); |
| return UtilHelpers.handleErrors(jsc, cfg.compactionInstantTime, writeResponse); |
| } |
| |
| private int doSchedule(JavaSparkContext jsc) throws Exception { |
| // Get schema. |
| SparkRDDWriteClient client = |
| UtilHelpers.createHoodieClient(jsc, cfg.basePath, "", cfg.parallelism, Option.of(cfg.strategyClassName), props); |
| client.scheduleCompactionAtInstant(cfg.compactionInstantTime, Option.empty()); |
| return 0; |
| } |
| } |