public void testAbort() throws IOException {
JobConf job = new JobConf();
setConfForFileOutputCommitter(job);
JobContext jContext = new JobContextImpl(job, taskID.getJobID());
TaskAttemptContext tContext = new TaskAttemptContextImpl(job, taskID);
FileOutputCommitter committer = new FileOutputCommitter();
FileOutputFormat.setWorkOutputPath(job, committer.getTempTaskOutputPath(tContext));
// do setup
committer.setupJob(jContext);
committer.setupTask(tContext);
String file = "test.txt";
// A reporter that does nothing
Reporter reporter = Reporter.NULL;
// write output
FileSystem localFs = FileSystem.getLocal(job);
TextOutputFormat theOutputFormat = new TextOutputFormat();
RecordWriter theRecordWriter = theOutputFormat.getRecordWriter(localFs, job, file, reporter);
writeOutput(theRecordWriter, reporter);
// do abort
committer.abortTask(tContext);
File expectedFile =
new File(new Path(committer.getTempTaskOutputPath(tContext), file).toString());
assertFalse("task temp dir still exists", expectedFile.exists());
committer.abortJob(jContext, JobStatus.State.FAILED);
expectedFile = new File(new Path(outDir, FileOutputCommitter.TEMP_DIR_NAME).toString());
assertFalse("job temp dir still exists", expectedFile.exists());
assertEquals("Output directory not empty", 0, new File(outDir.toString()).listFiles().length);
FileUtil.fullyDelete(new File(outDir.toString()));
}
public void testFormat() throws Exception {
localFs = FileSystem.getLocal(defaultConf);
localFs.delete(workDir, true);
Job job = new Job(new Configuration(defaultConf));
Path file = new Path(workDir, "test.txt");
int seed = new Random().nextInt();
Random random = new Random(seed);
// for a variety of lengths
for (int length = 0; length < MAX_LENGTH; length += random.nextInt(MAX_LENGTH / 10) + 1) {
// create a file with length entries
Writer writer = new OutputStreamWriter(localFs.create(file));
try {
MyClass mc = new MyClass();
for (int i = 0; i < length; i++) {
mc.s = Integer.toString(i);
mc.v = i;
byte[] raw = MessagePack.pack(mc);
byte[] b64e = base64_.encodeBase64(raw);
byte[] b64d = base64_.decode(b64e);
MyClass mc2 = MessagePack.unpack(b64d, mc.getClass());
assertEquals(mc.s, mc2.s);
assertEquals(mc.v, mc2.v);
writer.write(base64_.encodeToString(raw));
}
} finally {
writer.close();
}
checkFormat(job);
}
}
@SuppressWarnings("unchecked")
public void testCommitter() throws Exception {
JobConf job = new JobConf();
setConfForFileOutputCommitter(job);
JobContext jContext = new JobContextImpl(job, taskID.getJobID());
TaskAttemptContext tContext = new TaskAttemptContextImpl(job, taskID);
FileOutputCommitter committer = new FileOutputCommitter();
FileOutputFormat.setWorkOutputPath(job, committer.getTempTaskOutputPath(tContext));
committer.setupJob(jContext);
committer.setupTask(tContext);
String file = "test.txt";
// A reporter that does nothing
Reporter reporter = Reporter.NULL;
// write output
FileSystem localFs = FileSystem.getLocal(job);
TextOutputFormat theOutputFormat = new TextOutputFormat();
RecordWriter theRecordWriter = theOutputFormat.getRecordWriter(localFs, job, file, reporter);
writeOutput(theRecordWriter, reporter);
// do commit
committer.commitTask(tContext);
committer.commitJob(jContext);
// validate output
File expectedFile = new File(new Path(outDir, file).toString());
StringBuffer expectedOutput = new StringBuffer();
expectedOutput.append(key1).append('\t').append(val1).append("\n");
expectedOutput.append(val1).append("\n");
expectedOutput.append(val2).append("\n");
expectedOutput.append(key2).append("\n");
expectedOutput.append(key1).append("\n");
expectedOutput.append(key2).append('\t').append(val2).append("\n");
String output = UtilsForTests.slurp(expectedFile);
assertEquals(output, expectedOutput.toString());
FileUtil.fullyDelete(new File(outDir.toString()));
}
public void testcheckOutputSpecsForbidRecordCompression() throws IOException {
Job job = Job.getInstance(new Configuration(), "testcheckOutputSpecsForbidRecordCompression");
FileSystem fs = FileSystem.getLocal(job.getConfiguration());
Path outputdir = new Path(System.getProperty("test.build.data", "/tmp") + "/output");
fs.delete(outputdir, true);
// Without outputpath, FileOutputFormat.checkoutputspecs will throw
// InvalidJobConfException
FileOutputFormat.setOutputPath(job, outputdir);
// SequenceFileAsBinaryOutputFormat doesn't support record compression
// It should throw an exception when checked by checkOutputSpecs
SequenceFileAsBinaryOutputFormat.setCompressOutput(job, true);
SequenceFileAsBinaryOutputFormat.setOutputCompressionType(job, CompressionType.BLOCK);
try {
new SequenceFileAsBinaryOutputFormat().checkOutputSpecs(job);
} catch (Exception e) {
fail(
"Block compression should be allowed for "
+ "SequenceFileAsBinaryOutputFormat:Caught "
+ e.getClass().getName());
}
SequenceFileAsBinaryOutputFormat.setOutputCompressionType(job, CompressionType.RECORD);
try {
new SequenceFileAsBinaryOutputFormat().checkOutputSpecs(job);
fail("Record compression should not be allowed for " + "SequenceFileAsBinaryOutputFormat");
} catch (InvalidJobConfException ie) {
// expected
} catch (Exception e) {
fail(
"Expected "
+ InvalidJobConfException.class.getName()
+ "but caught "
+ e.getClass().getName());
}
}
public void testFormat() throws Exception {
JobConf job = new JobConf(conf);
FileSystem fs = FileSystem.getLocal(conf);
Path dir = new Path(System.getProperty("test.build.data", ".") + "/mapred");
Path file = new Path(dir, "test.seq");
Reporter reporter = Reporter.NULL;
int seed = new Random().nextInt();
// LOG.info("seed = "+seed);
Random random = new Random(seed);
fs.delete(dir, true);
FileInputFormat.setInputPaths(job, dir);
// for a variety of lengths
for (int length = 0; length < MAX_LENGTH; length += random.nextInt(MAX_LENGTH / 10) + 1) {
// LOG.info("creating; entries = " + length);
// create a file with length entries
SequenceFile.Writer writer =
SequenceFile.createWriter(fs, conf, file, IntWritable.class, BytesWritable.class);
try {
for (int i = 0; i < length; i++) {
IntWritable key = new IntWritable(i);
byte[] data = new byte[random.nextInt(10)];
random.nextBytes(data);
BytesWritable value = new BytesWritable(data);
writer.append(key, value);
}
} finally {
writer.close();
}
// try splitting the file in a variety of sizes
InputFormat<IntWritable, BytesWritable> format =
new SequenceFileInputFormat<IntWritable, BytesWritable>();
IntWritable key = new IntWritable();
BytesWritable value = new BytesWritable();
for (int i = 0; i < 3; i++) {
int numSplits = random.nextInt(MAX_LENGTH / (SequenceFile.SYNC_INTERVAL / 20)) + 1;
// LOG.info("splitting: requesting = " + numSplits);
InputSplit[] splits = format.getSplits(job, numSplits);
// LOG.info("splitting: got = " + splits.length);
// check each split
BitSet bits = new BitSet(length);
for (int j = 0; j < splits.length; j++) {
RecordReader<IntWritable, BytesWritable> reader =
format.getRecordReader(splits[j], job, reporter);
try {
int count = 0;
while (reader.next(key, value)) {
// if (bits.get(key.get())) {
// LOG.info("splits["+j+"]="+splits[j]+" : " +
// key.get());
// LOG.info("@"+reader.getPos());
// }
assertFalse("Key in multiple partitions.", bits.get(key.get()));
bits.set(key.get());
count++;
}
// LOG.info("splits["+j+"]="+splits[j]+" count=" +
// count);
} finally {
reader.close();
}
}
assertEquals("Some keys in no partition.", length, bits.cardinality());
}
}
}
public int run(String[] args) throws Exception {
// printUsage();
/*
* SETUP
*/
Configuration argConf = getConf();
Hashtable<String, String> confArg = new Hashtable<String, String>();
setup(confArg, argConf);
Date currentTime = new Date();
Date endDate = new Date(new Long(confArg.get("timestamp_stop")));
Boolean full_run = confArg.get("intermediate").matches("(?i).*true.*");
Boolean quick_add = confArg.get("quick_add").matches("(?i).*true.*");
logger.info("Running GeStore");
// ZooKeeper setup
Configuration config = HBaseConfiguration.create();
zkWatcher = new ZooKeeperWatcher(config, "Testing", new HBaseAdmin(config));
zkInstance =
new ZooKeeper(
ZKConfig.getZKQuorumServersString(config),
config.getInt("zookeeper.session.timeout", -1),
zkWatcher);
if (!confArg.get("task_id").isEmpty()) {
confArg.put("temp_path", confArg.get("temp_path") + confArg.get("task_id"));
}
String lockRequest = confArg.get("file_id");
if (!confArg.get("run_id").isEmpty())
lockRequest = lockRequest + "_" + confArg.get("run_id") + "_";
if (!confArg.get("task_id").isEmpty())
lockRequest = lockRequest + "_" + confArg.get("task_id") + "_";
// Get type of movement
toFrom type_move = checkArgs(confArg);
if (type_move == toFrom.LOCAL2REMOTE && !confArg.get("format").equals("unknown")) {
List<String> arguments = new ArrayList<String>();
arguments.add("-Dinput=" + confArg.get("local_path"));
arguments.add("-Dtable=" + confArg.get("file_id"));
arguments.add("-Dtimestamp=" + confArg.get("timestamp_stop"));
arguments.add("-Dtype=" + confArg.get("format"));
arguments.add("-Dtarget_dir=" + confArg.get("base_path") + "_" + confArg.get("file_id"));
arguments.add("-Dtemp_hdfs_path=" + confArg.get("temp_path"));
arguments.add("-Drun_id=" + confArg.get("run_id"));
if (!confArg.get("run_id").isEmpty()) arguments.add("-Drun_id=" + confArg.get("run_id"));
if (!confArg.get("task_id").isEmpty()) arguments.add("-Dtask_id=" + confArg.get("task_id"));
if (quick_add) arguments.add("-Dquick_add=" + confArg.get("quick_add"));
String lockName = lock(lockRequest);
String[] argumentString = arguments.toArray(new String[arguments.size()]);
adddb.main(argumentString);
unlock(lockName);
System.exit(0);
}
// Database registration
dbutil db_util = new dbutil(config);
db_util.register_database(confArg.get("db_name_files"), true);
db_util.register_database(confArg.get("db_name_runs"), true);
db_util.register_database(confArg.get("db_name_updates"), true);
FileSystem hdfs = FileSystem.get(config);
FileSystem localFS = FileSystem.getLocal(config);
// Get source type
confArg.put("source", getSource(db_util, confArg.get("db_name_files"), confArg.get("file_id")));
confArg.put(
"database", isDatabase(db_util, confArg.get("db_name_files"), confArg.get("file_id")));
if (!confArg.get("source").equals("local")
&& type_move == toFrom.REMOTE2LOCAL
&& !confArg.get("timestamp_stop").equals(Integer.toString(Integer.MAX_VALUE))) {
confArg.put("timestamp_stop", Long.toString(latestVersion(confArg, db_util)));
}
/*
* Get previous timestamp
*/
Get run_id_get = new Get(confArg.get("run_id").getBytes());
Result run_get = db_util.doGet(confArg.get("db_name_runs"), run_id_get);
KeyValue run_file_prev =
run_get.getColumnLatest(
"d".getBytes(), (confArg.get("file_id") + "_db_timestamp").getBytes());
String last_timestamp = new String("0");
if (null != run_file_prev && !confArg.get("source").equals("local")) {
long last_timestamp_real = run_file_prev.getTimestamp();
Long current_timestamp = new Long(confArg.get("timestamp_real"));
if ((current_timestamp - last_timestamp_real) > 36000) {
last_timestamp = new String(run_file_prev.getValue());
Integer lastTimestamp = new Integer(last_timestamp);
lastTimestamp += 1;
last_timestamp = lastTimestamp.toString();
logger.info("Last timestamp: " + last_timestamp + " End data: " + endDate);
Date last_run = new Date(run_file_prev.getTimestamp());
if (last_run.before(endDate) && !full_run) {
confArg.put("timestamp_start", last_timestamp);
}
}
}
Integer tse = new Integer(confArg.get("timestamp_stop"));
Integer tss = new Integer(confArg.get("timestamp_start"));
if (tss > tse) {
logger.info("No new version of requested file.");
return 0;
}
/*
* Generate file
*/
String lockName = lock(lockRequest);
Get file_id_get = new Get(confArg.get("file_id").getBytes());
Result file_get = db_util.doGet(confArg.get("db_name_files"), file_id_get);
if (!file_get.isEmpty()) {
boolean found =
hasFile(
db_util,
hdfs,
confArg.get("db_name_files"),
confArg.get("file_id"),
getFullPath(confArg));
if (confArg.get("source").equals("fullfile")) {
found = false;
}
String filenames_put =
getFileNames(
db_util, confArg.get("db_name_files"), confArg.get("file_id"), getFullPath(confArg));
// Filename not found in file database
if (!found && type_move == toFrom.REMOTE2LOCAL) {
if (!confArg.get("source").equals("local")) {
// Generate intermediate file
if (getFile(hdfs, confArg, db_util) == null) {
unlock(lockName);
return 1;
}
// Put generated file into file database
if (!confArg.get("format").equals("fullfile")) {
putFileEntry(
db_util,
hdfs,
confArg.get("db_name_files"),
confArg.get("file_id"),
confArg.get("full_file_name"),
confArg.get("source"));
}
} else {
logger.warn("Remote file not found, and cannot be generated! File: " + confArg);
unlock(lockName);
return 1;
}
}
} else {
if (type_move == toFrom.REMOTE2LOCAL) {
logger.warn("Remote file not found, and cannot be generated.");
unlock(lockName);
return 1;
}
}
/*
* Copy file
* Update tables
*/
if (type_move == toFrom.LOCAL2REMOTE) {
if (!confArg.get("format").equals("fullfile")) {
putFileEntry(
db_util,
hdfs,
confArg.get("db_name_files"),
confArg.get("file_id"),
getFullPath(confArg),
confArg.get("source"));
}
putRunEntry(
db_util,
confArg.get("db_name_runs"),
confArg.get("run_id"),
confArg.get("file_id"),
confArg.get("type"),
confArg.get("timestamp_real"),
confArg.get("timestamp_stop"),
getFullPath(confArg),
confArg.get("delimiter"));
hdfs.copyFromLocalFile(new Path(confArg.get("local_path")), new Path(getFullPath(confArg)));
} else if (type_move == toFrom.REMOTE2LOCAL) {
FileStatus[] files = hdfs.globStatus(new Path(getFullPath(confArg) + "*"));
putRunEntry(
db_util,
confArg.get("db_name_runs"),
confArg.get("run_id"),
confArg.get("file_id"),
confArg.get("type"),
confArg.get("timestamp_real"),
confArg.get("timestamp_stop"),
getFullPath(confArg),
confArg.get("delimiter"));
unlock(lockName);
for (FileStatus file : files) {
Path cur_file = file.getPath();
Path cur_local_path =
new Path(new String(confArg.get("local_path") + confArg.get("file_id")));
String suffix = getSuffix(getFileName(confArg), cur_file.getName());
if (suffix.length() > 0) {
cur_local_path = cur_local_path.suffix(new String("." + suffix));
}
if (confArg.get("copy").equals("true")) {
String crc = hdfs.getFileChecksum(cur_file).toString();
if (checksumLocalTest(cur_local_path, crc)) {
continue;
} else {
hdfs.copyToLocalFile(cur_file, cur_local_path);
writeChecksum(cur_local_path, crc);
}
} else {
System.out.println(cur_local_path + "\t" + cur_file);
}
}
}
unlock(lockName);
return 0;
}
