Example usage for java.util.concurrent.atomic AtomicLong get

List of usage examples for java.util.concurrent.atomic AtomicLong get

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Introduction

In this page you can find the example usage for java.util.concurrent.atomic AtomicLong get.

Prototype

public final long get()

Source Link

Document

Returns the current value, with memory effects as specified by VarHandle#getVolatile .

Usage

From source file:Main.java

public static void main(String[] argv) {
    AtomicLong nextId = new AtomicLong();

    System.out.println(nextId.getAndIncrement());
    System.out.println(nextId.get());
}

From source file:org.apache.eagle.alert.engine.e2e.SampleClient1.java

public static void main(String[] args) {
    long base = System.currentTimeMillis();
    AtomicLong msgCount = new AtomicLong();

    Config config = ConfigFactory.load();
    try (KafkaProducer<String, String> proceduer = createProceduer(config)) {
        while (true) {
            int hostIndex = 6;
            for (int i = 0; i < hostIndex; i++) {
                base = send_metric(base, proceduer, PERFMON_CPU_STREAM, i);
                msgCount.incrementAndGet();
                base = send_metric(base, proceduer, PERFMON_MEM_STREAM, i);
                msgCount.incrementAndGet();
            }//  www  .ja  v  a 2  s .  c om

            if ((msgCount.get() % 600) == 0) {
                System.out.println("send 600 CPU/MEM metric!");
            }

            Utils.sleep(3000);
        }
    }
}

From source file:org.apache.eagle.alert.engine.e2e.SampleClient2.java

/**
 * @param args/* w  ww  . j a v a2s. co  m*/
 */
public static void main(String[] args) {
    AtomicLong base1 = new AtomicLong(System.currentTimeMillis());
    AtomicLong base2 = new AtomicLong(System.currentTimeMillis());
    AtomicLong count = new AtomicLong();

    Config config = ConfigFactory.load();

    try (KafkaProducer<String, String> proceduer = SampleClient1.createProceduer(config)) {
        while (true) {
            nextUuid = String.format(instanceUuidTemp, UUID.randomUUID().toString());
            nextReqId = String.format(reqIdTemp, UUID.randomUUID().toString());

            int hostIndex = 6;
            for (int i = 0; i < hostIndex; i++) {
                sendMetric(base1, base2, count, proceduer, i);
            }

            if (count.get() % 600 == 0) {
                System.out.println("send 600 LOG/FAILURE metric!");
            }

            Utils.sleep(3000);

        }
    }
}

From source file:org.languagetool.rules.spelling.morfologik.suggestions_ordering.SuggestionsOrdererTest.java

public static void main(String[] args) throws IOException {
    Map<String, JLanguageTool> ltMap = new HashMap<>();
    Map<String, Rule> rules = new HashMap<>();
    Map<String, SuggestionsOrderer> ordererMap = new HashMap<>();
    final AtomicInteger numOriginalCorrect = new AtomicInteger(0), numReorderedCorrect = new AtomicInteger(0),
            numOtherCorrect = new AtomicInteger(0), numBothCorrect = new AtomicInteger(0),
            numTotalReorderings = new AtomicInteger(0), numMatches = new AtomicInteger(0);
    AtomicLong totalReorderingComputationTime = new AtomicLong(0),
            totalHunspellComputationTime = new AtomicLong(0);
    Runtime.getRuntime()/* w  w w  .j  a v  a  2s  . c o  m*/
            .addShutdownHook(new Thread(() -> System.out.printf(
                    "%n**** Correct Suggestions ****%nBoth: %d / Original: %d / Reordered: %d / Other: %d%n"
                            + "Average time per reordering: %fms / Average time in match(): %fms%n",
                    numBothCorrect.intValue(), numOriginalCorrect.intValue(), numReorderedCorrect.intValue(),
                    numOtherCorrect.intValue(),
                    (double) totalReorderingComputationTime.get() / numTotalReorderings.get(),
                    (double) totalHunspellComputationTime.get() / numMatches.get())));
    SuggestionsOrdererConfig.setNgramsPath(args[1]);
    try (CSVParser parser = new CSVParser(new FileReader(args[0]),
            CSVFormat.DEFAULT.withFirstRecordAsHeader())) {
        for (CSVRecord record : parser) {
            String lang = record.get("language");
            String covered = record.get("covered");
            String replacement = record.get("replacement");
            String sentenceStr = record.get("sentence");

            if (lang.equals("auto") || !(lang.equals("en-US") || lang.equals("de-DE"))) { // TODO: debugging only
                continue; // TODO do language detection?
            }
            Language language = Languages.getLanguageForShortCode(lang);
            JLanguageTool lt = ltMap.computeIfAbsent(lang, langCode -> new JLanguageTool(language));
            Rule spellerRule = rules.computeIfAbsent(lang, langCode -> lt.getAllRules().stream()
                    .filter(Rule::isDictionaryBasedSpellingRule).findFirst().orElse(null));
            if (spellerRule == null) {
                continue;
            }
            SuggestionsOrderer orderer = null;
            try {
                orderer = ordererMap.computeIfAbsent(lang,
                        langCode -> new SuggestionsOrdererGSoC(language, null, spellerRule.getId()));
            } catch (RuntimeException ignored) {
            }
            if (orderer == null) {
                continue;
            }
            numMatches.incrementAndGet();
            AnalyzedSentence sentence = lt.getAnalyzedSentence(sentenceStr);
            long startTime = System.currentTimeMillis();
            RuleMatch[] matches = spellerRule.match(sentence);
            totalHunspellComputationTime.addAndGet(System.currentTimeMillis() - startTime);
            for (RuleMatch match : matches) {
                String matchedWord = sentence.getText().substring(match.getFromPos(), match.getToPos());
                if (!matchedWord.equals(covered)) {
                    //System.out.println("Other spelling error detected, ignoring: " + matchedWord + " / " + covered);
                    continue;
                }
                List<String> original = match.getSuggestedReplacements();
                SuggestionsOrdererConfig.setMLSuggestionsOrderingEnabled(true);
                numTotalReorderings.incrementAndGet();
                startTime = System.currentTimeMillis();
                List<String> reordered = orderer.orderSuggestionsUsingModel(original, matchedWord, sentence,
                        match.getFromPos());
                totalReorderingComputationTime.addAndGet(System.currentTimeMillis() - startTime);
                SuggestionsOrdererConfig.setMLSuggestionsOrderingEnabled(false);
                if (original.isEmpty() || reordered.isEmpty()) {
                    continue;
                }
                String firstOriginal = original.get(0);
                String firstReordered = reordered.get(0);
                if (firstOriginal.equals(firstReordered)) {
                    if (firstOriginal.equals(replacement)) {
                        numBothCorrect.incrementAndGet();
                    } else {
                        numOtherCorrect.incrementAndGet();
                    }
                    //System.out.println("No change for match: " + matchedWord);
                } else {
                    System.out.println("Ordering changed for match " + matchedWord + ", before: "
                            + firstOriginal + ", after: " + firstReordered + ", choosen: " + replacement);
                    if (firstOriginal.equals(replacement)) {
                        numOriginalCorrect.incrementAndGet();
                    } else if (firstReordered.equals(replacement)) {
                        numReorderedCorrect.incrementAndGet();
                    } else {
                        numOtherCorrect.incrementAndGet();
                    }
                }
            }
        }
    }
}

From source file:com.mapr.synth.Synth.java

public static void main(String[] args)
        throws IOException, CmdLineException, InterruptedException, ExecutionException {
    final Options opts = new Options();
    CmdLineParser parser = new CmdLineParser(opts);
    try {//from ww  w . ja  v  a  2s.  c o m
        parser.parseArgument(args);
    } catch (CmdLineException e) {
        System.err.println("Usage: " + "[ -count <number>G|M|K ] " + "-schema schema-file "
                + "[-quote DOUBLE_QUOTE|BACK_SLASH|OPTIMISTIC] " + "[-format JSON|TSV|CSV|XML ] "
                + "[-threads n] " + "[-output output-directory-name] ");
        throw e;
    }
    Preconditions.checkArgument(opts.threads > 0 && opts.threads <= 2000,
            "Must have at least one thread and no more than 2000");

    if (opts.threads > 1) {
        Preconditions.checkArgument(!"-".equals(opts.output),
                "If more than on thread is used, you have to use -output to set the output directory");
    }

    File outputDir = new File(opts.output);
    if (!"-".equals(opts.output)) {
        if (!outputDir.exists()) {
            Preconditions.checkState(outputDir.mkdirs(),
                    String.format("Couldn't create output directory %s", opts.output));
        }
        Preconditions.checkArgument(outputDir.exists() && outputDir.isDirectory(),
                String.format("Couldn't create directory %s", opts.output));
    }

    if (opts.schema == null) {
        throw new IllegalArgumentException("Must specify schema file using [-schema filename] option");
    }
    final SchemaSampler sampler = new SchemaSampler(opts.schema);
    final AtomicLong rowCount = new AtomicLong();

    final List<ReportingWorker> tasks = Lists.newArrayList();
    int limit = (opts.count + opts.threads - 1) / opts.threads;
    int remaining = opts.count;
    for (int i = 0; i < opts.threads; i++) {

        final int count = Math.min(limit, remaining);
        remaining -= count;

        tasks.add(new ReportingWorker(opts, sampler, rowCount, count, i));
    }

    final double t0 = System.nanoTime() * 1e-9;
    ExecutorService pool = Executors.newFixedThreadPool(opts.threads);
    ScheduledExecutorService blinker = Executors.newScheduledThreadPool(1);
    final AtomicBoolean finalRun = new AtomicBoolean(false);

    final PrintStream sideLog = new PrintStream(new FileOutputStream("side-log"));
    Runnable blink = new Runnable() {
        public double oldT;
        private long oldN;

        @Override
        public void run() {
            double t = System.nanoTime() * 1e-9;
            long n = rowCount.get();
            System.err.printf("%s\t%d\t%.1f\t%d\t%.1f\t%.3f\n", finalRun.get() ? "F" : "R", opts.threads,
                    t - t0, n, n / (t - t0), (n - oldN) / (t - oldT));
            for (ReportingWorker task : tasks) {
                ReportingWorker.ThreadReport r = task.report();
                sideLog.printf("\t%d\t%.2f\t%.2f\t%.2f\t%.1f\t%.1f\n", r.fileNumber, r.threadTime, r.userTime,
                        r.wallTime, r.rows / r.threadTime, r.rows / r.wallTime);
            }
            oldN = n;
            oldT = t;
        }
    };
    if (!"-".equals(opts.output)) {
        blinker.scheduleAtFixedRate(blink, 0, 10, TimeUnit.SECONDS);
    }
    List<Future<Integer>> results = pool.invokeAll(tasks);

    int total = 0;
    for (Future<Integer> result : results) {
        total += result.get();
    }
    Preconditions.checkState(total == opts.count, String
            .format("Expected to generate %d lines of output, but actually generated %d", opts.count, total));
    pool.shutdownNow();
    blinker.shutdownNow();
    finalRun.set(true);
    sideLog.close();
    blink.run();
}

From source file:PinotThroughput.java

@SuppressWarnings("InfiniteLoopStatement")
public static void main(String[] args) throws Exception {
    final int numQueries = QUERIES.length;
    final Random random = new Random(RANDOM_SEED);
    final AtomicInteger counter = new AtomicInteger(0);
    final AtomicLong totalResponseTime = new AtomicLong(0L);
    final ExecutorService executorService = Executors.newFixedThreadPool(NUM_CLIENTS);

    for (int i = 0; i < NUM_CLIENTS; i++) {
        executorService.submit(new Runnable() {
            @Override/*from   w  w w. j  a va 2s  .c  o  m*/
            public void run() {
                try (CloseableHttpClient client = HttpClients.createDefault()) {
                    HttpPost post = new HttpPost("http://localhost:8099/query");
                    CloseableHttpResponse res;
                    while (true) {
                        String query = QUERIES[random.nextInt(numQueries)];
                        post.setEntity(new StringEntity("{\"pql\":\"" + query + "\"}"));
                        long start = System.currentTimeMillis();
                        res = client.execute(post);
                        res.close();
                        counter.getAndIncrement();
                        totalResponseTime.getAndAdd(System.currentTimeMillis() - start);
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        });
    }

    long startTime = System.currentTimeMillis();
    while (true) {
        Thread.sleep(REPORT_INTERVAL_MILLIS);
        double timePassedSeconds = ((double) (System.currentTimeMillis() - startTime)) / MILLIS_PER_SECOND;
        int count = counter.get();
        double avgResponseTime = ((double) totalResponseTime.get()) / count;
        System.out.println("Time Passed: " + timePassedSeconds + "s, Query Executed: " + count + ", QPS: "
                + count / timePassedSeconds + ", Avg Response Time: " + avgResponseTime + "ms");
    }
}

From source file:com.linkedin.pinotdruidbenchmark.PinotThroughput.java

@SuppressWarnings("InfiniteLoopStatement")
public static void main(String[] args) throws Exception {
    if (args.length != 3 && args.length != 4) {
        System.err.println(/* w w  w .  j  a  v  a  2 s.  c  o  m*/
                "3 or 4 arguments required: QUERY_DIR, RESOURCE_URL, NUM_CLIENTS, TEST_TIME (seconds).");
        return;
    }

    File queryDir = new File(args[0]);
    String resourceUrl = args[1];
    final int numClients = Integer.parseInt(args[2]);
    final long endTime;
    if (args.length == 3) {
        endTime = Long.MAX_VALUE;
    } else {
        endTime = System.currentTimeMillis() + Integer.parseInt(args[3]) * MILLIS_PER_SECOND;
    }

    File[] queryFiles = queryDir.listFiles();
    assert queryFiles != null;
    Arrays.sort(queryFiles);

    final int numQueries = queryFiles.length;
    final HttpPost[] httpPosts = new HttpPost[numQueries];
    for (int i = 0; i < numQueries; i++) {
        HttpPost httpPost = new HttpPost(resourceUrl);
        String query = new BufferedReader(new FileReader(queryFiles[i])).readLine();
        httpPost.setEntity(new StringEntity("{\"pql\":\"" + query + "\"}"));
        httpPosts[i] = httpPost;
    }

    final AtomicInteger counter = new AtomicInteger(0);
    final AtomicLong totalResponseTime = new AtomicLong(0L);
    final ExecutorService executorService = Executors.newFixedThreadPool(numClients);

    for (int i = 0; i < numClients; i++) {
        executorService.submit(new Runnable() {
            @Override
            public void run() {
                try (CloseableHttpClient httpClient = HttpClients.createDefault()) {
                    while (System.currentTimeMillis() < endTime) {
                        long startTime = System.currentTimeMillis();
                        CloseableHttpResponse httpResponse = httpClient
                                .execute(httpPosts[RANDOM.nextInt(numQueries)]);
                        httpResponse.close();
                        long responseTime = System.currentTimeMillis() - startTime;
                        counter.getAndIncrement();
                        totalResponseTime.getAndAdd(responseTime);
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        });
    }
    executorService.shutdown();

    long startTime = System.currentTimeMillis();
    while (System.currentTimeMillis() < endTime) {
        Thread.sleep(REPORT_INTERVAL_MILLIS);
        double timePassedSeconds = ((double) (System.currentTimeMillis() - startTime)) / MILLIS_PER_SECOND;
        int count = counter.get();
        double avgResponseTime = ((double) totalResponseTime.get()) / count;
        System.out.println("Time Passed: " + timePassedSeconds + "s, Query Executed: " + count + ", QPS: "
                + count / timePassedSeconds + ", Avg Response Time: " + avgResponseTime + "ms");
    }
}

From source file:com.linkedin.pinotdruidbenchmark.DruidThroughput.java

@SuppressWarnings("InfiniteLoopStatement")
public static void main(String[] args) throws Exception {
    if (args.length != 3 && args.length != 4) {
        System.err.println(//from  w  ww .j  a va 2s  . c om
                "3 or 4 arguments required: QUERY_DIR, RESOURCE_URL, NUM_CLIENTS, TEST_TIME (seconds).");
        return;
    }

    File queryDir = new File(args[0]);
    String resourceUrl = args[1];
    final int numClients = Integer.parseInt(args[2]);
    final long endTime;
    if (args.length == 3) {
        endTime = Long.MAX_VALUE;
    } else {
        endTime = System.currentTimeMillis() + Integer.parseInt(args[3]) * MILLIS_PER_SECOND;
    }

    File[] queryFiles = queryDir.listFiles();
    assert queryFiles != null;
    Arrays.sort(queryFiles);

    final int numQueries = queryFiles.length;
    final HttpPost[] httpPosts = new HttpPost[numQueries];
    for (int i = 0; i < numQueries; i++) {
        HttpPost httpPost = new HttpPost(resourceUrl);
        httpPost.addHeader("content-type", "application/json");
        StringBuilder stringBuilder = new StringBuilder();
        try (BufferedReader bufferedReader = new BufferedReader(new FileReader(queryFiles[i]))) {
            int length;
            while ((length = bufferedReader.read(CHAR_BUFFER)) > 0) {
                stringBuilder.append(new String(CHAR_BUFFER, 0, length));
            }
        }
        String query = stringBuilder.toString();
        httpPost.setEntity(new StringEntity(query));
        httpPosts[i] = httpPost;
    }

    final AtomicInteger counter = new AtomicInteger(0);
    final AtomicLong totalResponseTime = new AtomicLong(0L);
    final ExecutorService executorService = Executors.newFixedThreadPool(numClients);

    for (int i = 0; i < numClients; i++) {
        executorService.submit(new Runnable() {
            @Override
            public void run() {
                try (CloseableHttpClient httpClient = HttpClients.createDefault()) {
                    while (System.currentTimeMillis() < endTime) {
                        long startTime = System.currentTimeMillis();
                        CloseableHttpResponse httpResponse = httpClient
                                .execute(httpPosts[RANDOM.nextInt(numQueries)]);
                        httpResponse.close();
                        long responseTime = System.currentTimeMillis() - startTime;
                        counter.getAndIncrement();
                        totalResponseTime.getAndAdd(responseTime);
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        });
    }
    executorService.shutdown();

    long startTime = System.currentTimeMillis();
    while (System.currentTimeMillis() < endTime) {
        Thread.sleep(REPORT_INTERVAL_MILLIS);
        double timePassedSeconds = ((double) (System.currentTimeMillis() - startTime)) / MILLIS_PER_SECOND;
        int count = counter.get();
        double avgResponseTime = ((double) totalResponseTime.get()) / count;
        System.out.println("Time Passed: " + timePassedSeconds + "s, Query Executed: " + count + ", QPS: "
                + count / timePassedSeconds + ", Avg Response Time: " + avgResponseTime + "ms");
    }
}

From source file:alluxio.cli.MiniBenchmark.java

/**
 * @param args there are no arguments needed
 * @throws Exception if error occurs during tests
 *///from   ww w .  j a va2 s .c  o  m
public static void main(String[] args) throws Exception {
    if (!parseInputArgs(args)) {
        usage();
        System.exit(-1);
    }
    if (sHelp) {
        usage();
        System.exit(0);
    }

    CommonUtils.warmUpLoop();

    for (int i = 0; i < sIterations; ++i) {
        final AtomicInteger count = new AtomicInteger(0);
        final CyclicBarrier barrier = new CyclicBarrier(sConcurrency);
        ExecutorService executorService = Executors.newFixedThreadPool(sConcurrency);
        final AtomicLong runtime = new AtomicLong(0);
        for (int j = 0; j < sConcurrency; ++j) {
            switch (sType) {
            case READ:
                executorService.submit(new Runnable() {
                    @Override
                    public void run() {
                        try {
                            readFile(barrier, runtime, count.addAndGet(1));
                        } catch (Exception e) {
                            LOG.error("Failed to read file.", e);
                            System.exit(-1);
                        }
                    }
                });
                break;
            case WRITE:
                executorService.submit(new Runnable() {
                    @Override
                    public void run() {
                        try {
                            writeFile(barrier, runtime, count.addAndGet(1));
                        } catch (Exception e) {
                            LOG.error("Failed to write file.", e);
                            System.exit(-1);
                        }
                    }
                });
                break;
            default:
                throw new RuntimeException("Unsupported type.");
            }
        }
        executorService.shutdown();
        Preconditions.checkState(executorService.awaitTermination(1, TimeUnit.HOURS));
        double time = runtime.get() * 1.0 / sConcurrency / Constants.SECOND_NANO;
        System.out.printf("Iteration: %d; Duration: %f seconds; Aggregated throughput: %f GB/second.%n", i,
                time, sConcurrency * 1.0 * sFileSize / time / Constants.GB);
    }
}

From source file:DruidThroughput.java

@SuppressWarnings("InfiniteLoopStatement")
public static void main(String[] args) throws Exception {
    final int numQueries = QUERIES.length;
    final Random random = new Random(RANDOM_SEED);
    final AtomicInteger counter = new AtomicInteger(0);
    final AtomicLong totalResponseTime = new AtomicLong(0L);
    final ExecutorService executorService = Executors.newFixedThreadPool(NUM_CLIENTS);

    for (int i = 0; i < NUM_CLIENTS; i++) {
        executorService.submit(new Runnable() {
            @Override/*  w  w  w  .  j  ava 2 s .  c  om*/
            public void run() {
                try (CloseableHttpClient client = HttpClients.createDefault()) {
                    HttpPost post = new HttpPost("http://localhost:8082/druid/v2/?pretty");
                    post.addHeader("content-type", "application/json");
                    CloseableHttpResponse res;
                    while (true) {
                        try (BufferedReader reader = new BufferedReader(new FileReader(
                                QUERY_FILE_DIR + File.separator + random.nextInt(numQueries) + ".json"))) {
                            int length = reader.read(BUFFER);
                            post.setEntity(new StringEntity(new String(BUFFER, 0, length)));
                        }
                        long start = System.currentTimeMillis();
                        res = client.execute(post);
                        res.close();
                        counter.getAndIncrement();
                        totalResponseTime.getAndAdd(System.currentTimeMillis() - start);
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        });
    }

    long startTime = System.currentTimeMillis();
    while (true) {
        Thread.sleep(REPORT_INTERVAL_MILLIS);
        double timePassedSeconds = ((double) (System.currentTimeMillis() - startTime)) / MILLIS_PER_SECOND;
        int count = counter.get();
        double avgResponseTime = ((double) totalResponseTime.get()) / count;
        System.out.println("Time Passed: " + timePassedSeconds + "s, Query Executed: " + count + ", QPS: "
                + count / timePassedSeconds + ", Avg Response Time: " + avgResponseTime + "ms");
    }
}