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Diffstat (limited to 'launcher/src/main/java/org/apache/spark/launcher/SparkClassCommandBuilder.java')
-rw-r--r-- | launcher/src/main/java/org/apache/spark/launcher/SparkClassCommandBuilder.java | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/launcher/src/main/java/org/apache/spark/launcher/SparkClassCommandBuilder.java b/launcher/src/main/java/org/apache/spark/launcher/SparkClassCommandBuilder.java new file mode 100644 index 0000000000..e601a0a19f --- /dev/null +++ b/launcher/src/main/java/org/apache/spark/launcher/SparkClassCommandBuilder.java @@ -0,0 +1,108 @@ +/* + * 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.spark.launcher; + +import java.io.File; +import java.io.IOException; +import java.util.ArrayList; +import java.util.List; +import java.util.Map; +import java.util.regex.Pattern; + +import static org.apache.spark.launcher.CommandBuilderUtils.*; + +/** + * Command builder for internal Spark classes. + * <p/> + * This class handles building the command to launch all internal Spark classes except for + * SparkSubmit (which is handled by {@link SparkSubmitCommandBuilder} class. + */ +class SparkClassCommandBuilder extends AbstractCommandBuilder { + + private final String className; + private final List<String> classArgs; + + SparkClassCommandBuilder(String className, List<String> classArgs) { + this.className = className; + this.classArgs = classArgs; + } + + @Override + public List<String> buildCommand(Map<String, String> env) throws IOException { + List<String> javaOptsKeys = new ArrayList<String>(); + String memKey = null; + String extraClassPath = null; + + // Master, Worker, and HistoryServer use SPARK_DAEMON_JAVA_OPTS (and specific opts) + + // SPARK_DAEMON_MEMORY. + if (className.equals("org.apache.spark.deploy.master.Master")) { + javaOptsKeys.add("SPARK_DAEMON_JAVA_OPTS"); + javaOptsKeys.add("SPARK_MASTER_OPTS"); + memKey = "SPARK_DAEMON_MEMORY"; + } else if (className.equals("org.apache.spark.deploy.worker.Worker")) { + javaOptsKeys.add("SPARK_DAEMON_JAVA_OPTS"); + javaOptsKeys.add("SPARK_WORKER_OPTS"); + memKey = "SPARK_DAEMON_MEMORY"; + } else if (className.equals("org.apache.spark.deploy.history.HistoryServer")) { + javaOptsKeys.add("SPARK_DAEMON_JAVA_OPTS"); + javaOptsKeys.add("SPARK_HISTORY_OPTS"); + memKey = "SPARK_DAEMON_MEMORY"; + } else if (className.equals("org.apache.spark.executor.CoarseGrainedExecutorBackend")) { + javaOptsKeys.add("SPARK_JAVA_OPTS"); + javaOptsKeys.add("SPARK_EXECUTOR_OPTS"); + memKey = "SPARK_EXECUTOR_MEMORY"; + } else if (className.equals("org.apache.spark.executor.MesosExecutorBackend")) { + javaOptsKeys.add("SPARK_EXECUTOR_OPTS"); + memKey = "SPARK_EXECUTOR_MEMORY"; + } else if (className.startsWith("org.apache.spark.tools.")) { + String sparkHome = getSparkHome(); + File toolsDir = new File(join(File.separator, sparkHome, "tools", "target", + "scala-" + getScalaVersion())); + checkState(toolsDir.isDirectory(), "Cannot find tools build directory."); + + Pattern re = Pattern.compile("spark-tools_.*\\.jar"); + for (File f : toolsDir.listFiles()) { + if (re.matcher(f.getName()).matches()) { + extraClassPath = f.getAbsolutePath(); + break; + } + } + + checkState(extraClassPath != null, + "Failed to find Spark Tools Jar in %s.\n" + + "You need to run \"build/sbt tools/package\" before running %s.", + toolsDir.getAbsolutePath(), className); + + javaOptsKeys.add("SPARK_JAVA_OPTS"); + } + + List<String> cmd = buildJavaCommand(extraClassPath); + for (String key : javaOptsKeys) { + addOptionString(cmd, System.getenv(key)); + } + + String mem = firstNonEmpty(memKey != null ? System.getenv(memKey) : null, DEFAULT_MEM); + cmd.add("-Xms" + mem); + cmd.add("-Xmx" + mem); + addPermGenSizeOpt(cmd); + cmd.add(className); + cmd.addAll(classArgs); + return cmd; + } + +} |