@Override
public void setupMiniDfsAndMrClusters() {
try {
deleteConfFiles();
CONF_DIR.mkdirs();
// Build mini DFS cluster
Configuration hdfsConf = new Configuration();
m_dfs = new MiniDFSCluster.Builder(hdfsConf).numDataNodes(2).format(true).racks(null).build();
m_fileSys = m_dfs.getFileSystem();
m_dfs_conf = m_dfs.getConfiguration(0);
// Create user home directory
m_fileSys.mkdirs(m_fileSys.getWorkingDirectory());
// Write core-site.xml
Configuration core_site = new Configuration(false);
core_site.set(FileSystem.FS_DEFAULT_NAME_KEY, m_dfs_conf.get(FileSystem.FS_DEFAULT_NAME_KEY));
core_site.writeXml(new FileOutputStream(CORE_CONF_FILE));
Configuration hdfs_site = new Configuration(false);
for (Entry<String, String> conf : m_dfs_conf) {
if (ArrayUtils.contains(m_dfs_conf.getPropertySources(conf.getKey()), "programatically")) {
hdfs_site.set(conf.getKey(), m_dfs_conf.getRaw(conf.getKey()));
}
}
hdfs_site.writeXml(new FileOutputStream(HDFS_CONF_FILE));
// Build mini YARN cluster
m_mr = new MiniMRYarnCluster("PigMiniCluster", 2);
m_mr.init(m_dfs_conf);
m_mr.start();
m_mr_conf = m_mr.getConfig();
m_mr_conf.set(
YarnConfiguration.YARN_APPLICATION_CLASSPATH, System.getProperty("java.class.path"));
m_mr_conf.set(MRJobConfig.MAP_JAVA_OPTS, "-Xmx512m");
m_mr_conf.set(MRJobConfig.REDUCE_JAVA_OPTS, "-Xmx512m");
Configuration mapred_site = new Configuration(false);
Configuration yarn_site = new Configuration(false);
for (Entry<String, String> conf : m_mr_conf) {
if (ArrayUtils.contains(m_mr_conf.getPropertySources(conf.getKey()), "programatically")) {
if (conf.getKey().contains("yarn")) {
yarn_site.set(conf.getKey(), m_mr_conf.getRaw(conf.getKey()));
} else if (!conf.getKey().startsWith("dfs")) {
mapred_site.set(conf.getKey(), m_mr_conf.getRaw(conf.getKey()));
}
}
}
mapred_site.writeXml(new FileOutputStream(MAPRED_CONF_FILE));
yarn_site.writeXml(new FileOutputStream(YARN_CONF_FILE));
// Write tez-site.xml
Configuration tez_conf = new Configuration(false);
// TODO PIG-3659 - Remove this once memory management is fixed
tez_conf.set(TezRuntimeConfiguration.TEZ_RUNTIME_IO_SORT_MB, "20");
tez_conf.set("tez.lib.uris", "hdfs:///tez,hdfs:///tez/lib");
// Set to a lower value so that tests don't get stuck for long because of 1 AM running at a
// time
tez_conf.set(TezConfiguration.TEZ_SESSION_AM_DAG_SUBMIT_TIMEOUT_SECS, "20");
// Lower the max task attempts to 2 so that negative tests fail
// faster. By default, tasks retry 4 times
tez_conf.set(TezConfiguration.TEZ_AM_TASK_MAX_FAILED_ATTEMPTS, "2");
tez_conf.writeXml(new FileOutputStream(TEZ_CONF_FILE));
// Copy tez jars to hdfs
m_fileSys.mkdirs(new Path("/tez/lib"));
FileFilter fileFilter = new RegexFileFilter("tez-.+\\.jar$");
File[] tezJars = TEZ_LIB_DIR.listFiles(fileFilter);
for (int i = 0; i < tezJars.length; i++) {
if (tezJars[i].getName().startsWith("tez-api")) {
m_fileSys.copyFromLocalFile(
new Path(tezJars[i].getAbsoluteFile().toString()), new Path("/tez"));
} else {
m_fileSys.copyFromLocalFile(
new Path(tezJars[i].getAbsoluteFile().toString()), new Path("/tez/lib"));
}
}
m_conf = m_mr_conf;
// Turn FetchOptimizer off so that we can actually test Tez
m_conf.set(PigConfiguration.PIG_OPT_FETCH, System.getProperty("test.opt.fetch", "false"));
System.setProperty("junit.hadoop.conf", CONF_DIR.getPath());
System.setProperty("hadoop.log.dir", "build/test/logs");
} catch (IOException e) {
throw new RuntimeException(e);
}
}
