HDFS-12275. Ozone: Corona: Support for random validation of writes. Contributed by Nandakumar.
This commit is contained in:
Anu Engineer
Owen O'Malley
parent
2dfd0a2f4f
commit
2f4dfbc8fb
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@ -18,7 +18,7 @@
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package org.apache.hadoop.ozone.tools;
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import com.google.common.annotations.VisibleForTesting;
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import org.apache.commons.cli.CommandLine;
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import org.apache.commons.cli.Option;
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import org.apache.commons.cli.OptionBuilder;
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@ -27,10 +27,11 @@
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.conf.Configured;
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import org.apache.hadoop.hdfs.DFSUtil;
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import org.apache.hadoop.ozone.OzoneConfiguration;
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import org.apache.hadoop.ozone.client.OzoneClient;
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import org.apache.hadoop.ozone.client.OzoneClientFactory;
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import org.apache.hadoop.ozone.client.io.OzoneInputStream;
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import org.apache.hadoop.ozone.client.io.OzoneOutputStream;
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import org.apache.hadoop.ozone.OzoneConfiguration;
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import org.apache.hadoop.util.GenericOptionsParser;
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import org.apache.hadoop.util.Tool;
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import org.apache.hadoop.util.ToolRunner;
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@ -39,11 +40,15 @@
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import java.io.IOException;
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import java.io.PrintStream;
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import java.util.Arrays;
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import java.util.concurrent.ArrayBlockingQueue;
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import java.util.concurrent.BlockingQueue;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.atomic.AtomicInteger;
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import java.util.concurrent.atomic.AtomicLong;
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import java.util.function.Supplier;
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/**
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* Corona - A tool to populate ozone with data for testing.<br>
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@ -81,6 +86,7 @@ public final class Corona extends Configured implements Tool {
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private static final String HELP = "help";
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private static final String MODE = "mode";
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private static final String SOURCE = "source";
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private static final String VALIDATE_WRITE = "validateWrites";
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private static final String NUM_OF_THREADS = "numOfThreads";
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private static final String NUM_OF_VOLUMES = "numOfVolumes";
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private static final String NUM_OF_BUCKETS = "numOfBuckets";
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@ -109,6 +115,8 @@ public final class Corona extends Configured implements Tool {
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private String numOfBuckets;
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private String numOfKeys;
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private boolean validateWrites;
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private OzoneClient ozoneClient;
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private ExecutorService processor;
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@ -125,7 +133,14 @@ public final class Corona extends Configured implements Tool {
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private AtomicInteger numberOfBucketsCreated;
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private AtomicLong numberOfKeysAdded;
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private Corona(Configuration conf) throws IOException {
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private Long totalWritesValidated;
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private Long writeValidationSuccessCount;
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private Long writeValidationFailureCount;
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private BlockingQueue<KeyValue> validationQueue;
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@VisibleForTesting
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Corona(Configuration conf) throws IOException {
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startTime = System.nanoTime();
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volumeCreationTime = new AtomicLong();
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bucketCreationTime = new AtomicLong();
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@ -159,11 +174,24 @@ public int run(String[] args) throws Exception {
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LOG.info("Number of Volumes: {}.", numOfVolumes);
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LOG.info("Number of Buckets per Volume: {}.", numOfBuckets);
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LOG.info("Number of Keys per Bucket: {}.", numOfKeys);
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for(int i = 0; i < Integer.parseInt(numOfVolumes); i++) {
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for (int i = 0; i < Integer.parseInt(numOfVolumes); i++) {
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String volume = "vol-" + i + "-" +
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RandomStringUtils.randomNumeric(5);
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processor.submit(new OfflineProcessor(volume));
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}
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}
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Thread validator = null;
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if(validateWrites) {
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totalWritesValidated = 0L;
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writeValidationSuccessCount = 0L;
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writeValidationFailureCount = 0L;
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validationQueue =
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new ArrayBlockingQueue<>(Integer.parseInt(numOfThreads));
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validator = new Thread(new Validator());
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validator.start();
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LOG.info("Data validation is enabled.");
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}
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Thread progressbar = getProgressBarThread();
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LOG.info("Starting progress bar Thread.");
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progressbar.start();
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@ -171,8 +199,10 @@ public int run(String[] args) throws Exception {
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processor.awaitTermination(Integer.MAX_VALUE, TimeUnit.MILLISECONDS);
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completed = true;
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progressbar.join();
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return 0;
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if(validateWrites) {
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validator.join();
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}
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return 0;
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}
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private Options getOzonePetaGenOptions() {
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@ -193,6 +223,10 @@ private Options getOzonePetaGenOptions() {
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"commoncrawl warc file to be used when the mode is online.");
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Option optSource = OptionBuilder.create(SOURCE);
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OptionBuilder.withDescription("do random validation of " +
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"data written into ozone, only subset of data is validated.");
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Option optValidateWrite = OptionBuilder.create(VALIDATE_WRITE);
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OptionBuilder.withArgName("value");
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OptionBuilder.hasArg();
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OptionBuilder.withDescription("number of threads to be launched " +
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@ -220,6 +254,7 @@ private Options getOzonePetaGenOptions() {
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options.addOption(optHelp);
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options.addOption(optMode);
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options.addOption(optSource);
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options.addOption(optValidateWrite);
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options.addOption(optNumOfThreads);
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options.addOption(optNumOfVolumes);
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options.addOption(optNumOfBuckets);
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@ -239,6 +274,8 @@ private void parseOzonePetaGenOptions(CommandLine cmdLine) {
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numOfThreads = cmdLine.hasOption(NUM_OF_THREADS) ?
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cmdLine.getOptionValue(NUM_OF_THREADS) : NUM_OF_THREADS_DEFAULT;
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validateWrites = cmdLine.hasOption(VALIDATE_WRITE);
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numOfVolumes = cmdLine.hasOption(NUM_OF_VOLUMES) ?
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cmdLine.getOptionValue(NUM_OF_VOLUMES) : NUM_OF_VOLUMES_DEFAULT;
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@ -253,6 +290,9 @@ private void usage() {
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System.out.println("Options supported are:");
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System.out.println("-numOfThreads <value> "
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+ "number of threads to be launched for the run.");
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System.out.println("-validateWrites "
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+ "do random validation of data written into ozone, " +
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"only subset of data is validated.");
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System.out.println("-mode [online | offline] "
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+ "specifies the mode in which Corona should run.");
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System.out.println("-source <url> "
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@ -304,6 +344,7 @@ public void run() {
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RandomStringUtils.randomNumeric(5);
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byte[] value = DFSUtil.string2Bytes(
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RandomStringUtils.randomAscii(10240));
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try {
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LOG.trace("Adding key: {} in bucket: {} of volume: {}",
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key, bucket, volume);
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@ -317,6 +358,13 @@ public void run() {
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keyWriteTime.getAndAdd(System.nanoTime() - keyWriteStart);
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totalBytesWritten.getAndAdd(value.length);
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numberOfKeysAdded.getAndIncrement();
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if(validateWrites) {
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boolean validate = validationQueue.offer(
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new KeyValue(volume, bucket, key, value));
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if(validate) {
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LOG.trace("Key {}, is queued for validation.", key);
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}
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}
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} catch (Exception e) {
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exception = true;
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LOG.error("Exception while adding key: {} in bucket: {}" +
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@ -341,11 +389,19 @@ private void addShutdownHook() {
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}
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private Thread getProgressBarThread() {
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long maxValue = Integer.parseInt(numOfVolumes) *
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Integer.parseInt(numOfBuckets) *
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Integer.parseInt(numOfKeys);
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Supplier<Long> currentValue;
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long maxValue;
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if(mode.equals("online")) {
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throw new UnsupportedOperationException("Not yet implemented.");
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} else {
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currentValue = () -> numberOfKeysAdded.get();
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maxValue = Long.parseLong(numOfVolumes) *
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Long.parseLong(numOfBuckets) *
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Long.parseLong(numOfKeys);
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}
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Thread progressBarThread = new Thread(
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new ProgressBar(System.out, maxValue));
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new ProgressBar(System.out, currentValue, maxValue));
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progressBarThread.setName("ProgressBar");
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return progressBarThread;
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}
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@ -355,10 +411,13 @@ private class ProgressBar implements Runnable {
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private static final long REFRESH_INTERVAL = 1000L;
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private PrintStream stream;
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private Supplier<Long> currentValue;
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private long maxValue;
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ProgressBar(PrintStream stream, long maxValue) {
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ProgressBar(PrintStream stream, Supplier<Long> currentValue,
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long maxValue) {
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this.stream = stream;
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this.currentValue = currentValue;
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this.maxValue = maxValue;
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}
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@ -366,9 +425,9 @@ private class ProgressBar implements Runnable {
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public void run() {
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try {
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stream.println();
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long keys;
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while((keys = numberOfKeysAdded.get()) < maxValue) {
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print(keys);
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long value;
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while((value = currentValue.get()) < maxValue) {
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print(value);
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if(completed) {
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break;
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}
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@ -389,11 +448,11 @@ public void run() {
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/**
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* Given current value prints the progress bar.
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*
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* @param currentValue
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* @param value
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*/
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private void print(long currentValue) {
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private void print(long value) {
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stream.print('\r');
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double percent = 100.0 * currentValue / maxValue;
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double percent = 100.0 * value / maxValue;
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StringBuilder sb = new StringBuilder();
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sb.append(" " + String.format("%.2f", percent) + "% |");
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@ -404,7 +463,7 @@ private void print(long currentValue) {
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sb.append(' ');
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}
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sb.append("| ");
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sb.append(currentValue + "/" + maxValue);
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sb.append(value + "/" + maxValue);
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long timeInSec = TimeUnit.SECONDS.convert(
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System.nanoTime() - startTime, TimeUnit.NANOSECONDS);
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String timeToPrint = String.format("%d:%02d:%02d", timeInSec / 3600,
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@ -494,10 +553,158 @@ private void printStats(PrintStream out) {
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out.println("Time spent in key creation: " + prettyKeyCreationTime);
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out.println("Time spent in writing keys: " + prettyKeyWriteTime);
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out.println("Total bytes written: " + totalBytesWritten);
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if(validateWrites) {
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out.println("Total number of writes validated: " +
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totalWritesValidated);
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out.println("Writes validated: " +
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(100.0 * totalWritesValidated / numberOfKeysAdded.get())
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+ " %");
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out.println("Successful validation: " +
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writeValidationSuccessCount);
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out.println("Unsuccessful validation: " +
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writeValidationFailureCount);
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}
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out.println("Total Execution time: " + execTime);
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out.println("***************************************************");
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}
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/**
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* Returns the number of volumes created.
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* @return volume count.
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*/
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@VisibleForTesting
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int getNumberOfVolumesCreated() {
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return numberOfVolumesCreated.get();
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}
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/**
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* Returns the number of buckets created.
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* @return bucket count.
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*/
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@VisibleForTesting
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int getNumberOfBucketsCreated() {
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return numberOfBucketsCreated.get();
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}
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/**
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* Returns the number of keys added.
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* @return keys count.
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*/
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@VisibleForTesting
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long getNumberOfKeysAdded() {
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return numberOfKeysAdded.get();
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}
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/**
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* Returns true if random validation of write is enabled.
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* @return validateWrites
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*/
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@VisibleForTesting
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boolean getValidateWrites() {
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return validateWrites;
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}
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/**
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* Returns the number of keys validated.
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* @return validated key count.
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*/
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@VisibleForTesting
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long getTotalKeysValidated() {
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return totalWritesValidated;
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}
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/**
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* Returns the number of successful validation.
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* @return successful validation count.
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*/
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@VisibleForTesting
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long getSuccessfulValidationCount() {
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return writeValidationSuccessCount;
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}
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/**
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* Returns the number of unsuccessful validation.
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* @return unsuccessful validation count.
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*/
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@VisibleForTesting
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long getUnsuccessfulValidationCount() {
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return writeValidationFailureCount;
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}
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/**
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* Validates the write done in ozone cluster.
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*/
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private class Validator implements Runnable {
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@Override
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public void run() {
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while(!completed) {
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try {
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KeyValue kv = validationQueue.poll(5, TimeUnit.SECONDS);
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if(kv != null) {
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OzoneInputStream is = ozoneClient.
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getKey(kv.volume, kv.bucket, kv.key);
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byte[] value = new byte[kv.value.length];
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int length = is.read(value);
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totalWritesValidated++;
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if (length == kv.value.length && Arrays.equals(value, kv.value)) {
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writeValidationSuccessCount++;
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} else {
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writeValidationFailureCount++;
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LOG.warn("Data validation error for key {}/{}/{}",
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kv.volume, kv.bucket, kv.key);
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LOG.warn("Expected: {}, Actual: {}",
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DFSUtil.bytes2String(kv.value),
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DFSUtil.bytes2String(value));
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}
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}
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} catch (IOException | InterruptedException ex) {
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LOG.error("Exception while validating write: " + ex.getMessage());
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}
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}
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}
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}
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/**
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* Wrapper to hold ozone key-value pair.
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*/
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private static class KeyValue {
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/**
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* Volume name associated with the key-value.
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*/
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private String volume;
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/**
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* Bucket name associated with the key-value.
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*/
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private String bucket;
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/**
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* Key name associated with the key-value.
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*/
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private String key;
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/**
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* Value associated with the key-value.
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*/
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private byte[] value;
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/**
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* Constructs a new ozone key-value pair.
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*
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* @param key key part
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* @param value value part
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*/
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KeyValue(
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String volume, String bucket, String key, byte[] value) {
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this.volume = volume;
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this.bucket = bucket;
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this.key = key;
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this.value = value;
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}
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}
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/**
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* @param args arguments
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*/
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@ -0,0 +1,117 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
|
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* distributed with this work for additional information
|
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* regarding copyright ownership. The ASF licenses this file
|
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
|
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* distributed under the License is distributed on an "AS IS" BASIS,
|
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
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* See the License for the specific language governing permissions and
|
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* limitations under the License.
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*/
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package org.apache.hadoop.ozone.tools;
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import org.apache.hadoop.ozone.MiniOzoneCluster;
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import org.apache.hadoop.ozone.OzoneConfigKeys;
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import org.apache.hadoop.ozone.OzoneConfiguration;
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import org.apache.hadoop.ozone.OzoneConsts;
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import org.apache.hadoop.util.ToolRunner;
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import org.junit.AfterClass;
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import org.junit.Assert;
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import org.junit.BeforeClass;
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import org.junit.Test;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.PrintStream;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Tests Corona, with MiniOzoneCluster.
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*/
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public class TestCorona {
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private static MiniOzoneCluster cluster;
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private static OzoneConfiguration conf;
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/**
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* Create a MiniDFSCluster for testing.
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* <p>
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* Ozone is made active by setting OZONE_ENABLED = true and
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* OZONE_HANDLER_TYPE_KEY = "distributed"
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*
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* @throws IOException
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*/
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@BeforeClass
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public static void init() throws Exception {
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conf = new OzoneConfiguration();
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conf.set(OzoneConfigKeys.OZONE_HANDLER_TYPE_KEY,
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OzoneConsts.OZONE_HANDLER_DISTRIBUTED);
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cluster = new MiniOzoneCluster.Builder(conf)
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.setHandlerType(OzoneConsts.OZONE_HANDLER_DISTRIBUTED).build();
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}
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/**
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* Shutdown MiniDFSCluster.
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*/
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@AfterClass
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public static void shutdown() {
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if (cluster != null) {
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cluster.shutdown();
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}
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}
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@Test
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public void defaultTest() throws Exception {
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List<String> args = new ArrayList<>();
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args.add("-numOfVolumes");
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args.add("2");
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args.add("-numOfBuckets");
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args.add("5");
|
||||
args.add("-numOfKeys");
|
||||
args.add("10");
|
||||
Corona corona = new Corona(conf);
|
||||
int res = ToolRunner.run(conf, corona,
|
||||
args.toArray(new String[0]));
|
||||
Assert.assertEquals(2, corona.getNumberOfVolumesCreated());
|
||||
Assert.assertEquals(10, corona.getNumberOfBucketsCreated());
|
||||
Assert.assertEquals(100, corona.getNumberOfKeysAdded());
|
||||
Assert.assertEquals(0, res);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void validateWriteTest() throws Exception {
|
||||
PrintStream originalStream = System.out;
|
||||
ByteArrayOutputStream outStream = new ByteArrayOutputStream();
|
||||
System.setOut(new PrintStream(outStream));
|
||||
List<String> args = new ArrayList<>();
|
||||
args.add("-validateWrites");
|
||||
args.add("-numOfVolumes");
|
||||
args.add("2");
|
||||
args.add("-numOfBuckets");
|
||||
args.add("5");
|
||||
args.add("-numOfKeys");
|
||||
args.add("10");
|
||||
Corona corona = new Corona(conf);
|
||||
int res = ToolRunner.run(conf, corona,
|
||||
args.toArray(new String[0]));
|
||||
Assert.assertEquals(0, res);
|
||||
Assert.assertEquals(2, corona.getNumberOfVolumesCreated());
|
||||
Assert.assertEquals(10, corona.getNumberOfBucketsCreated());
|
||||
Assert.assertEquals(100, corona.getNumberOfKeysAdded());
|
||||
Assert.assertTrue(corona.getValidateWrites());
|
||||
Assert.assertNotEquals(0, corona.getTotalKeysValidated());
|
||||
Assert.assertNotEquals(0, corona.getSuccessfulValidationCount());
|
||||
Assert.assertEquals(0, corona.getUnsuccessfulValidationCount());
|
||||
System.setOut(originalStream);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,21 @@
|
|||
/**
|
||||
* 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.hadoop.ozone.tools;
|
||||
/**
|
||||
* Classes related to Ozone tools tests.
|
||||
*/
|
||||
Loading…
Reference in New Issue