public static void main(String[] args) throws Exception {
ConsoleReporter.enable(2, TimeUnit.SECONDS);
Random random = new Random();
while (true) {
TimerContext context = timer.time();
Thread.sleep(random.nextInt(1000));
context.stop();
}
}
@Override
public String report() {
arrayStream.reset();
reporter.run();
return arrayStream.toString();
}
@Override
public boolean enable() {
try {
PrintStream stream = createPrintStream();
// static enable() methods omit the option of specifying a
// predicate. Calling constructor and starting manually
// instead
final ConsoleReporter reporter =
new ConsoleReporter(
Metrics.defaultRegistry(),
stream,
MetricPredicateTransformer.generatePredicate(getPredicate()));
reporter.start(getPeriod(), getRealTimeunit());
} catch (Exception e) {
log.error("Failure while enabling console reporter", e);
return false;
}
return true;
}
public static void main(String[] args) throws Exception {
Config config = new Config();
Cache cache = config.getCache();
// cache data generator sequence
FixedSizeElementSequence elementSequence =
new FixedSizeElementSequence(Config.NUMBER_OF_ENTRIES, Config.SIZE_OF_ENTRY);
cache.removeAll();
LOG.info("cache size should be zero. size=" + cache.getSize() + "\n starting load");
Util.sleepFor(3);
cache.setNodeBulkLoadEnabled(true);
long start = System.currentTimeMillis();
// single threaded for now
// start putting data into the cache
PutWorker putWorker = new PutWorker(cache, elementSequence);
// TODO:use executor to make this multi-threaded
putWorker.start();
// for now, waiting for put to complete
putWorker.join();
// now remove bulkmode
long endOfWorkerThread = System.currentTimeMillis();
cache.setNodeBulkLoadEnabled(false);
Config.CALL_TIMER.stop(); // stop the timer
long endOfBulkLoadReset = System.currentTimeMillis();
int endSize = cache.getSize();
LOG.info(
"complete. total time for "
+ Config.NUMBER_OF_ENTRIES
+ " puts to complete is "
+ (endOfWorkerThread - start)
+ "ms, and time it took to reset bulk mode is "
+ (endOfBulkLoadReset - endOfWorkerThread)
+ "ms \n End size="
+ endSize);
// just wait for return
// for now, waiting for user input to close the
// program. This gives us time to look at the metrics on JMX console or
// TMC :)
Util.waitForInput();
ConsoleReporter.enable(1, TimeUnit.SECONDS);
Util.sleepFor(2);
}
@Override
public void onStart(Application app) {
Logger.info("Creating injector with " + modules.size() + " modules.");
// log to the console every minute in DEV
if (Play.isDev()) {
ConsoleReporter.enable(1, TimeUnit.MINUTES);
}
Injector injector = Guice.createInjector(Stage.PRODUCTION, modules);
for (OnStartListener listener : onStartListeners) {
listener.onApplicationStart(app, injector);
}
}
/**
* Enables the console reporter for the given metrics registry, and causes it to print to STDOUT
* with the specified period and unrestricted output.
*
* @param metricsRegistry the metrics registry
* @param period the period between successive outputs
* @param unit the time unit of {@code period}
*/
public static void enable(MetricsRegistry metricsRegistry, long period, TimeUnit unit) {
final ConsoleReporter reporter =
new ConsoleReporter(metricsRegistry, System.out, MetricPredicate.ALL);
reporter.start(period, unit);
}
@Override
public int run(String[] args) throws Exception {
Path rootRegionDir = null;
int numThreads = 1;
long numIterations = 1000000;
int numFamilies = 1;
int syncInterval = 0;
boolean noSync = false;
boolean verify = false;
boolean verbose = false;
boolean cleanup = true;
boolean noclosefs = false;
long roll = Long.MAX_VALUE;
boolean compress = false;
String cipher = null;
int numRegions = 1;
String spanReceivers = getConf().get("hbase.trace.spanreceiver.classes");
boolean trace = spanReceivers != null && !spanReceivers.isEmpty();
double traceFreq = 1.0;
// Process command line args
for (int i = 0; i < args.length; i++) {
String cmd = args[i];
try {
if (cmd.equals("-threads")) {
numThreads = Integer.parseInt(args[++i]);
} else if (cmd.equals("-iterations")) {
numIterations = Long.parseLong(args[++i]);
} else if (cmd.equals("-path")) {
rootRegionDir = new Path(args[++i]);
} else if (cmd.equals("-families")) {
numFamilies = Integer.parseInt(args[++i]);
} else if (cmd.equals("-qualifiers")) {
numQualifiers = Integer.parseInt(args[++i]);
} else if (cmd.equals("-keySize")) {
keySize = Integer.parseInt(args[++i]);
} else if (cmd.equals("-valueSize")) {
valueSize = Integer.parseInt(args[++i]);
} else if (cmd.equals("-syncInterval")) {
syncInterval = Integer.parseInt(args[++i]);
} else if (cmd.equals("-nosync")) {
noSync = true;
} else if (cmd.equals("-verify")) {
verify = true;
} else if (cmd.equals("-verbose")) {
verbose = true;
} else if (cmd.equals("-nocleanup")) {
cleanup = false;
} else if (cmd.equals("-noclosefs")) {
noclosefs = true;
} else if (cmd.equals("-roll")) {
roll = Long.parseLong(args[++i]);
} else if (cmd.equals("-compress")) {
compress = true;
} else if (cmd.equals("-encryption")) {
cipher = args[++i];
} else if (cmd.equals("-regions")) {
numRegions = Integer.parseInt(args[++i]);
} else if (cmd.equals("-traceFreq")) {
traceFreq = Double.parseDouble(args[++i]);
} else if (cmd.equals("-h")) {
printUsageAndExit();
} else if (cmd.equals("--help")) {
printUsageAndExit();
} else {
System.err.println("UNEXPECTED: " + cmd);
printUsageAndExit();
}
} catch (Exception e) {
printUsageAndExit();
}
}
if (compress) {
Configuration conf = getConf();
conf.setBoolean(HConstants.ENABLE_WAL_COMPRESSION, true);
}
if (cipher != null) {
// Set up WAL for encryption
Configuration conf = getConf();
conf.set(HConstants.CRYPTO_KEYPROVIDER_CONF_KEY, KeyProviderForTesting.class.getName());
conf.set(HConstants.CRYPTO_MASTERKEY_NAME_CONF_KEY, "hbase");
conf.setClass(
"hbase.regionserver.hlog.reader.impl", SecureProtobufLogReader.class, WAL.Reader.class);
conf.setClass(
"hbase.regionserver.hlog.writer.impl", SecureProtobufLogWriter.class, Writer.class);
conf.setBoolean(HConstants.ENABLE_WAL_ENCRYPTION, true);
conf.set(HConstants.CRYPTO_WAL_ALGORITHM_CONF_KEY, cipher);
}
if (numThreads < numRegions) {
LOG.warn("Number of threads is less than the number of regions; some regions will sit idle.");
}
// Internal config. goes off number of threads; if more threads than handlers, stuff breaks.
// In regionserver, number of handlers == number of threads.
getConf().setInt(HConstants.REGION_SERVER_HANDLER_COUNT, numThreads);
// Run WAL Performance Evaluation
// First set the fs from configs. In case we are on hadoop1
FSUtils.setFsDefault(getConf(), FSUtils.getRootDir(getConf()));
FileSystem fs = FileSystem.get(getConf());
LOG.info("FileSystem: " + fs);
SpanReceiverHost receiverHost = trace ? SpanReceiverHost.getInstance(getConf()) : null;
TraceScope scope = Trace.startSpan("WALPerfEval", trace ? Sampler.ALWAYS : Sampler.NEVER);
try {
if (rootRegionDir == null) {
rootRegionDir = TEST_UTIL.getDataTestDirOnTestFS("WALPerformanceEvaluation");
}
rootRegionDir = rootRegionDir.makeQualified(fs);
cleanRegionRootDir(fs, rootRegionDir);
FSUtils.setRootDir(getConf(), rootRegionDir);
final WALFactory wals = new WALFactory(getConf(), null, "wals");
final HRegion[] regions = new HRegion[numRegions];
final Runnable[] benchmarks = new Runnable[numRegions];
final MockRegionServerServices mockServices = new MockRegionServerServices(getConf());
final LogRoller roller = new LogRoller(mockServices, mockServices);
Threads.setDaemonThreadRunning(roller.getThread(), "WALPerfEval.logRoller");
try {
for (int i = 0; i < numRegions; i++) {
// Initialize Table Descriptor
// a table per desired region means we can avoid carving up the key space
final HTableDescriptor htd = createHTableDescriptor(i, numFamilies);
regions[i] = openRegion(fs, rootRegionDir, htd, wals, roll, roller);
benchmarks[i] =
Trace.wrap(
new WALPutBenchmark(
regions[i], htd, numIterations, noSync, syncInterval, traceFreq));
}
ConsoleReporter.enable(this.metrics, 30, TimeUnit.SECONDS);
long putTime = runBenchmark(benchmarks, numThreads);
logBenchmarkResult(
"Summary: threads="
+ numThreads
+ ", iterations="
+ numIterations
+ ", syncInterval="
+ syncInterval,
numIterations * numThreads,
putTime);
for (int i = 0; i < numRegions; i++) {
if (regions[i] != null) {
closeRegion(regions[i]);
regions[i] = null;
}
}
if (verify) {
LOG.info("verifying written log entries.");
Path dir =
new Path(
FSUtils.getRootDir(getConf()), DefaultWALProvider.getWALDirectoryName("wals"));
long editCount = 0;
FileStatus[] fsss = fs.listStatus(dir);
if (fsss.length == 0) throw new IllegalStateException("No WAL found");
for (FileStatus fss : fsss) {
Path p = fss.getPath();
if (!fs.exists(p)) throw new IllegalStateException(p.toString());
editCount += verify(wals, p, verbose);
}
long expected = numIterations * numThreads;
if (editCount != expected) {
throw new IllegalStateException("Counted=" + editCount + ", expected=" + expected);
}
}
} finally {
mockServices.stop("test clean up.");
for (int i = 0; i < numRegions; i++) {
if (regions[i] != null) {
closeRegion(regions[i]);
}
}
if (null != roller) {
LOG.info("shutting down log roller.");
Threads.shutdown(roller.getThread());
}
wals.shutdown();
// Remove the root dir for this test region
if (cleanup) cleanRegionRootDir(fs, rootRegionDir);
}
} finally {
// We may be called inside a test that wants to keep on using the fs.
if (!noclosefs) fs.close();
scope.close();
if (receiverHost != null) receiverHost.closeReceivers();
}
return (0);
}
