@BeforeClass
public void setUp() throws Exception {
// Clean up
ensureDirectoryExistsAndIsEmpty(_tmpDir);
ensureDirectoryExistsAndIsEmpty(_segmentDir);
ensureDirectoryExistsAndIsEmpty(_tarDir);
// Start the cluster
startCluster();
// Unpack the Avro files
final List<File> avroFiles = unpackAvroData(_tmpDir, SEGMENT_COUNT);
createTable();
// Load data into H2
ExecutorService executor = Executors.newCachedThreadPool();
setupH2AndInsertAvro(avroFiles, executor);
// Create segments from Avro data
buildSegmentsFromAvro(avroFiles, executor, 0, _segmentDir, _tarDir, "mytable", false, null);
// Initialize query generator
setupQueryGenerator(avroFiles, executor);
executor.shutdown();
executor.awaitTermination(10, TimeUnit.MINUTES);
// Set up a Helix spectator to count the number of segments that are uploaded and unlock the
// latch once 12 segments are online
final CountDownLatch latch = setupSegmentCountCountDownLatch("mytable", SEGMENT_COUNT);
// Upload the segments
int i = 0;
for (String segmentName : _tarDir.list()) {
System.out.println("Uploading segment " + (i++) + " : " + segmentName);
File file = new File(_tarDir, segmentName);
FileUploadUtils.sendSegmentFile(
"localhost", "8998", segmentName, new FileInputStream(file), file.length());
}
// Wait for all segments to be online
latch.await();
TOTAL_DOCS = 115545;
long timeInTwoMinutes = System.currentTimeMillis() + 2 * 60 * 1000L;
long numDocs;
while ((numDocs = getCurrentServingNumDocs()) < TOTAL_DOCS) {
System.out.println("Current number of documents: " + numDocs);
if (System.currentTimeMillis() < timeInTwoMinutes) {
Thread.sleep(1000);
} else {
Assert.fail("Segments were not completely loaded within two minutes");
}
}
}
@Override
public boolean execute() throws Exception {
if (_controllerHost == null) {
_controllerHost = NetUtil.getHostAddress();
}
// Create a temp working directory.
File tmpDir = File.createTempFile(SEGMENT_UPLOADER, null, FileUtils.getTempDirectory());
FileUtils.deleteQuietly(tmpDir);
tmpDir.mkdir();
try {
LOGGER.info("Executing command: " + toString());
File dir = new File(_segmentDir);
File[] files = dir.listFiles();
for (File file : files) {
File tgzFile = file;
if (file.isDirectory()) {
LOGGER.info("Compressing segment {}", file.getName());
String srcDir = file.getAbsolutePath();
String tgzFileName =
TarGzCompressionUtils.createTarGzOfDirectory(
srcDir, tmpDir.getAbsolutePath() + File.separator + file.getName() + TAR_GZIP);
tgzFile = new File(tgzFileName);
}
LOGGER.info("Uploading segment {}", tgzFile.getName());
FileUploadUtils.sendSegmentFile(
_controllerHost,
_controllerPort,
tgzFile.getName(),
new FileInputStream(tgzFile),
tgzFile.length());
}
} catch (Exception e) {
LOGGER.error("Exception caught while uploading segment {}", _segmentDir, e);
} finally {
// Delete the temporary working directory.
FileUtils.deleteQuietly(tmpDir);
}
return true;
}
